{"id":5932,"date":"2024-07-31T22:31:58","date_gmt":"2024-07-31T22:31:58","guid":{"rendered":"https:\/\/sinovalveco.com\/?post_type=product&#038;p=5932"},"modified":"2026-04-18T08:31:31","modified_gmt":"2026-04-18T08:31:31","slug":"3-way-ball-valve","status":"publish","type":"product","link":"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/","title":{"rendered":"3-Wege-Kugelhahn"},"content":{"rendered":"<p data-start=\"1273\" data-end=\"1442\"><strong data-start=\"1273\" data-end=\"1307\">By NTGD Valve Engineering Team<\/strong><br data-start=\"1307\" data-end=\"1310\" \/><strong data-start=\"1310\" data-end=\"1411\">Reviewed by Bruce Tseng, Senior Valve Application Engineer (15+ years in industrial flow control)<\/strong><br data-start=\"1411\" data-end=\"1414\" \/><strong data-start=\"1414\" data-end=\"1442\">Last updated: March 2026<\/strong><\/p>\n<hr data-start=\"1444\" data-end=\"1447\" \/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0a0a0a;color:#0a0a0a\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0a0a0a;color:#0a0a0a\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#At_a_Glance_Engineer-Verified_Quick_Answer\" >At a Glance (Engineer-Verified Quick Answer)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Introduction\" >Introduction<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#What_Is_a_3-Way_Ball_Valve\" >What Is a 3-Way Ball Valve?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Core_components_of_a_3-way_ball_valve\" >Core components of a 3-way ball valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Why_3-way_ball_valves_are_widely_used\" >Why 3-way ball valves are widely used<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#How_Does_a_3-Way_Ball_Valve_Work\" >How Does a 3-Way Ball Valve Work?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step-by-step_operating_principle\" >Step-by-step operating principle<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#1_Fluid_enters_the_valve\" >1. Fluid enters the valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#2_The_ball_rotates_into_position\" >2. The ball rotates into position<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#3_Ports_communicate\" >3. Ports communicate<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#4_The_valve_changes_flow_path_with_a_quarter_turn\" >4. The valve changes flow path with a quarter turn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Why_bore_design_matters\" >Why bore design matters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Actuated_3-way_ball_valve_operation\" >Actuated 3-way ball valve operation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Engineering_note_actuator_torque_margin\" >Engineering note: actuator torque margin<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#L-Port_vs_T-Port_3-Way_Ball_Valve\" >L-Port vs T-Port 3-Way Ball Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#30-Second_Decision_Shortcut\" >30-Second Decision Shortcut<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#What_Is_an_L-Port_3-Way_Ball_Valve\" >What Is an L-Port 3-Way Ball Valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Typical_function\" >Typical function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Example_flow_logic\" >Example flow logic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Typical_applications\" >Typical applications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Important_limitation\" >Important limitation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#What_Is_a_T-Port_3-Way_Ball_Valve\" >What Is a T-Port 3-Way Ball Valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Typical_function-2\" >Typical function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Example_flow_logic-2\" >Example flow logic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Typical_applications-2\" >Typical applications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Important_limitation-2\" >Important limitation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Port_Numbering_and_Flow_Logic\" >Port Numbering and Flow Logic<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#L-port_example\" >L-port example<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#T-port_example\" >T-port example<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Head-to-Head_Comparison_Table\" >Head-to-Head Comparison Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Engineers_Recommendation_Which_One_Should_You_Choose\" >Engineer\u2019s Recommendation: Which One Should You Choose?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Engineer_warning\" >Engineer warning<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Common_Flow_Patterns_of_3-Way_Ball_Valves\" >Common Flow Patterns of 3-Way Ball Valves<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#1_Diverting\" >1. Diverting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#2_Mixing\" >2. Mixing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#3_Splitting\" >3. Splitting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#4_Shutoff_or_isolation_position\" >4. Shutoff or isolation position<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Why_flow_diagrams_matter\" >Why flow diagrams matter<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#How_to_Choose_the_Right_3-Way_Ball_Valve\" >How to Choose the Right 3-Way Ball Valve<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Important\" >Important<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_1_%E2%80%94_Confirm_the_required_function\" >Step 1 \u2014 Confirm the required function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_2_%E2%80%94_Confirm_media_and_temperature\" >Step 2 \u2014 Confirm media and temperature<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_3_%E2%80%94_Confirm_pressure_rating\" >Step 3 \u2014 Confirm pressure rating<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_4_%E2%80%94_Confirm_body_and_seat_materials\" >Step 4 \u2014 Confirm body and seat materials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Material_compatibility_guide\" >Material compatibility guide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_5_%E2%80%94_Confirm_full_port_or_reduced_port\" >Step 5 \u2014 Confirm full port or reduced port<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_6_%E2%80%94_Confirm_actuation_method\" >Step 6 \u2014 Confirm actuation method<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_7_%E2%80%94_Confirm_end_connection\" >Step 7 \u2014 Confirm end connection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Step_8_%E2%80%94_Match_the_valve_to_the_real_failure_risk\" >Step 8 \u2014 Match the valve to the real failure risk<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Engineer-verified_selection_checklist\" >Engineer-verified selection checklist<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Common_3-Way_Ball_Valve_Selection_Mistakes_Engineer_Warnings\" >Common 3-Way Ball Valve Selection Mistakes &amp; Engineer Warnings<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_1_Using_L-port_for_mixing_service\" >Mistake 1: Using L-port for mixing service<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_2_Ignoring_pressure_drop_in_reduced_port_designs\" >Mistake 2: Ignoring pressure drop in reduced port designs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_3_Using_standard_soft_seats_in_unsuitable_temperature_service\" >Mistake 3: Using standard soft seats in unsuitable temperature service<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_4_Ignoring_actuator_torque_requirements\" >Mistake 4: Ignoring actuator torque requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_5_Selecting_by_size_and_pressure_only\" >Mistake 5: Selecting by size and pressure only<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_6_Underestimating_cycle_life_in_automated_service\" >Mistake 6: Underestimating cycle life in automated service<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Mistake_7_Ignoring_anti-static_or_hazardous-service_requirements\" >Mistake 7: Ignoring anti-static or hazardous-service requirements<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Proven_Industrial_Applications_of_3-Way_Ball_Valves\" >Proven Industrial Applications of 3-Way Ball Valves<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-60\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#HVAC_bypass_and_blending_loops\" >HVAC bypass and blending loops<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-61\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Tank_changeover_service\" >Tank changeover service<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-62\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Chemical_processing_lines\" >Chemical processing lines<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-63\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Water_treatment_distribution\" >Water treatment distribution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-64\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Automated_process_routing\" >Automated process routing<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-65\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#NTGD_3-Way_Ball_Valve_Support_Highlights\" >NTGD 3-Way Ball Valve Support Highlights<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-66\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Advantages_of_3-Way_Ball_Valves\" >Advantages of 3-Way Ball Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-67\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Limitations_of_3-Way_Ball_Valves\" >Limitations of 3-Way Ball Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-68\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-69\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#1_What_is_a_3-way_ball_valve\" >1. What is a 3-way ball valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-70\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#2_What_is_the_difference_between_L-port_and_T-port_3-way_ball_valves\" >2. What is the difference between L-port and T-port 3-way ball valves?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-71\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#3_Which_is_better_for_mixing_L-port_or_T-port\" >3. Which is better for mixing, L-port or T-port?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-72\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#4_Which_is_better_for_diverting_flow\" >4. Which is better for diverting flow?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-73\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#5_Can_a_3-way_ball_valve_be_actuated\" >5. Can a 3-way ball valve be actuated?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-74\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#6_What_is_the_difference_between_a_3-way_ball_valve_and_a_3-way_plug_valve\" >6. What is the difference between a 3-way ball valve and a 3-way plug valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-75\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#7_Can_a_3-way_ball_valve_be_used_for_steam_service\" >7. Can a 3-way ball valve be used for steam service?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-76\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#8_What_end_connections_are_available_for_3-way_ball_valves\" >8. What end connections are available for 3-way ball valves?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-77\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#9_How_do_I_install_a_3-way_ball_valve_correctly\" >9. How do I install a 3-way ball valve correctly?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-78\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#10_What_pressure_ratings_are_available_for_industrial_3-way_ball_valves\" >10. What pressure ratings are available for industrial 3-way ball valves?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-79\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#11_How_do_I_choose_the_right_seat_material\" >11. How do I choose the right seat material?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-80\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#12_What_information_should_I_provide_for_quotation\" >12. What information should I provide for quotation?<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-81\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Need_Help_Selecting_the_Right_3-Way_Ball_Valve\" >Need Help Selecting the Right 3-Way Ball Valve?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-82\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Request_support_for\" >Request support for:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-83\" href=\"https:\/\/ntgdvalve.com\/de\/3-way-ball-valve\/#Request_a_Quote_for_Industrial_3-Way_Ball_Valves\" >Request a Quote for Industrial 3-Way Ball Valves<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 data-section-id=\"1izr1ix\" data-start=\"1449\" data-end=\"1496\"><span class=\"ez-toc-section\" id=\"At_a_Glance_Engineer-Verified_Quick_Answer\"><\/span>At a Glance (Engineer-Verified Quick Answer)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-start=\"1498\" data-end=\"1932\">\n<li data-section-id=\"n8o3ho\" data-start=\"1498\" data-end=\"1612\">\n<p data-start=\"1500\" data-end=\"1612\">A <strong data-start=\"1502\" data-end=\"1522\">3-way ball valve<\/strong> is a quarter-turn valve with <strong data-start=\"1552\" data-end=\"1567\">three ports<\/strong> used to divert, mix, split, or isolate flow.<\/p>\n<\/li>\n<li data-section-id=\"10ztdng\" data-start=\"1613\" data-end=\"1666\">\n<p data-start=\"1615\" data-end=\"1666\">The two main designs are <strong data-start=\"1640\" data-end=\"1650\">L-port<\/strong> and <strong data-start=\"1655\" data-end=\"1665\">T-port<\/strong>.<\/p>\n<\/li>\n<li data-section-id=\"epbuhg\" data-start=\"1667\" data-end=\"1739\">\n<p data-start=\"1669\" data-end=\"1739\"><strong data-start=\"1669\" data-end=\"1679\">L-port<\/strong> valves are mainly used for <strong data-start=\"1707\" data-end=\"1738\">switching or diverting flow<\/strong>.<\/p>\n<\/li>\n<li data-section-id=\"1ho3oz\" data-start=\"1740\" data-end=\"1831\">\n<p data-start=\"1742\" data-end=\"1831\"><strong data-start=\"1742\" data-end=\"1752\">T-port<\/strong> valves are mainly used for <strong data-start=\"1780\" data-end=\"1830\">mixing, splitting, or multi-port communication<\/strong>.<\/p>\n<\/li>\n<li data-section-id=\"1knm8va\" data-start=\"1832\" data-end=\"1932\">\n<p data-start=\"1834\" data-end=\"1932\">The wrong port pattern can cause <strong data-start=\"1867\" data-end=\"1931\">incorrect flow routing, failed mixing, or unintended shutoff<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1934\" data-end=\"2123\">A correctly selected 3-way ball valve can replace multiple standard valves and fittings, simplify piping layout, reduce leak points, and improve operating flexibility in industrial systems.<\/p>\n<p data-start=\"2125\" data-end=\"2229\"><strong data-start=\"2125\" data-end=\"2229\">Need help choosing between L-port and T-port? Talk to our engineers for technical selection support.<\/strong><\/p>\n<figure id=\"attachment_8098\" aria-describedby=\"caption-attachment-8098\" style=\"width: 1536px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-8098\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-flanged-industrial-valve.png\" alt=\"industrial three way ball valve flanged type used for diverting and mixing pipeline flow\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-flanged-industrial-valve.png 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-flanged-industrial-valve-768x512.png 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-flanged-industrial-valve-18x12.png 18w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-flanged-industrial-valve-600x400.png 600w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption id=\"caption-attachment-8098\" class=\"wp-caption-text\">Industrial 3-way ball valve used to divert or mix fluid flow in pipeline systems.<\/figcaption><\/figure>\n<hr data-start=\"2231\" data-end=\"2234\" \/>\n<h2 data-section-id=\"13ax1s5\" data-start=\"2236\" data-end=\"2251\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2253\" data-end=\"2592\">A 3-way ball valve is used when a piping system needs more than simple on\/off isolation. Unlike a standard <strong data-start=\"6243\" data-end=\"6335\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/ball-valve\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"6245\" data-end=\"6333\">2-way ball valve within a broader ball valve system<\/a><\/strong>, which only opens or closes one flow path, a 3-way ball valve can redirect flow, combine streams, split one stream into multiple paths, or isolate selected ports depending on the ball pattern and operating position.<\/p>\n<p data-start=\"2594\" data-end=\"2953\">That is why 3-way ball valves are widely used in industrial systems where piping space is limited and flow logic is more complex. In many practical layouts, one 3-way ball valve can replace two or more standard valves together with extra tees and fittings, helping reduce installation space, simplify maintenance, and lower the number of possible leak points.<\/p>\n<p data-start=\"2955\" data-end=\"3188\">This guide explains what a 3-way ball valve is, how it works, the difference between L-port and T-port designs, common flow patterns, selection logic, common mistakes, and how to request the right valve for your operating conditions.<\/p>\n<hr data-start=\"3190\" data-end=\"3193\" \/>\n<h1 data-section-id=\"1kehwya\" data-start=\"3195\" data-end=\"3227\"><span class=\"ez-toc-section\" id=\"What_Is_a_3-Way_Ball_Valve\"><\/span>What Is a 3-Way Ball Valve?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>&nbsp;<\/p>\n<p data-start=\"3229\" data-end=\"3509\">A 3-way ball valve is a <strong data-start=\"3253\" data-end=\"3292\">quarter-turn valve with three ports<\/strong> and a bored ball inside the valve body. When the ball rotates, different ports are connected or isolated, allowing the valve to perform functions such as diversion, mixing, splitting, or switching between flow paths.<\/p>\n<p data-start=\"3511\" data-end=\"3593\">In industrial service, 3-way ball valves are commonly used where the system needs:<\/p>\n<ul data-start=\"3595\" data-end=\"3694\">\n<li data-section-id=\"8xwc99\" data-start=\"3595\" data-end=\"3611\">\n<p data-start=\"3597\" data-end=\"3611\">flow diversion<\/p>\n<\/li>\n<li data-section-id=\"12d2sxy\" data-start=\"3612\" data-end=\"3625\">\n<p data-start=\"3614\" data-end=\"3625\">flow mixing<\/p>\n<\/li>\n<li data-section-id=\"xne7ys\" data-start=\"3626\" data-end=\"3642\">\n<p data-start=\"3628\" data-end=\"3642\">line switching<\/p>\n<\/li>\n<li data-section-id=\"1igsvg7\" data-start=\"3643\" data-end=\"3661\">\n<p data-start=\"3645\" data-end=\"3661\">bypass operation<\/p>\n<\/li>\n<li data-section-id=\"1die7se\" data-start=\"3662\" data-end=\"3694\">\n<p data-start=\"3664\" data-end=\"3694\">compact multi-function control<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3696\" data-end=\"3835\">Compared with multiple separate 2-way valves, a properly selected 3-way ball valve can simplify piping layout and reduce system complexity.<\/p>\n<h3 data-section-id=\"1m5044z\" data-start=\"3837\" data-end=\"3878\"><span class=\"ez-toc-section\" id=\"Core_components_of_a_3-way_ball_valve\"><\/span>Core components of a 3-way ball valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_8099\" aria-describedby=\"caption-attachment-8099\" style=\"width: 697px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-8099\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-main-components-diagram-1.png\" alt=\"3-way ball valve cross section showing main components including body, ball, stem and seat\" width=\"697\" height=\"476\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-main-components-diagram-1.png 697w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-main-components-diagram-1-18x12.png 18w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-main-components-diagram-1-600x410.png 600w\" sizes=\"(max-width: 697px) 100vw, 697px\" \/><figcaption id=\"caption-attachment-8099\" class=\"wp-caption-text\">Internal structure of a 3-way ball valve showing the main mechanical components and sealing elements.<\/figcaption><\/figure>\n<p data-start=\"3880\" data-end=\"3916\">A typical 3-way ball valve includes:<\/p>\n<ul data-start=\"3918\" data-end=\"4067\">\n<li data-section-id=\"nj70k0\" data-start=\"3918\" data-end=\"3930\">\n<p data-start=\"3920\" data-end=\"3930\">valve body<\/p>\n<\/li>\n<li data-section-id=\"8cwzg6\" data-start=\"3931\" data-end=\"3964\">\n<p data-start=\"3933\" data-end=\"3964\">ball with L-port or T-port bore<\/p>\n<\/li>\n<li data-section-id=\"1j3q86f\" data-start=\"3965\" data-end=\"3971\">\n<p data-start=\"3967\" data-end=\"3971\">stem<\/p>\n<\/li>\n<li data-section-id=\"16nl7nc\" data-start=\"3972\" data-end=\"3979\">\n<p data-start=\"3974\" data-end=\"3979\">seats<\/p>\n<\/li>\n<li data-section-id=\"1ksb93k\" data-start=\"3980\" data-end=\"3992\">\n<p data-start=\"3982\" data-end=\"3992\">body seals<\/p>\n<\/li>\n<li data-section-id=\"1xxx2qq\" data-start=\"3993\" data-end=\"4010\">\n<p data-start=\"3995\" data-end=\"4010\">end connections<\/p>\n<\/li>\n<li data-section-id=\"7i72nx\" data-start=\"4011\" data-end=\"4067\">\n<p data-start=\"4013\" data-end=\"4067\">handle, gear, pneumatic actuator, or electric actuator<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"12hpkdu\" data-start=\"4069\" data-end=\"4110\"><span class=\"ez-toc-section\" id=\"Why_3-way_ball_valves_are_widely_used\"><\/span>Why 3-way ball valves are widely used<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4112\" data-end=\"4165\">3-way ball valves are widely used because they offer:<\/p>\n<ul data-start=\"4167\" data-end=\"4283\">\n<li data-section-id=\"u862n1\" data-start=\"4167\" data-end=\"4183\">\n<p data-start=\"4169\" data-end=\"4183\">compact design<\/p>\n<\/li>\n<li data-section-id=\"zux909\" data-start=\"4184\" data-end=\"4213\">\n<p data-start=\"4186\" data-end=\"4213\">quarter-turn fast operation<\/p>\n<\/li>\n<li data-section-id=\"1d2e3rc\" data-start=\"4214\" data-end=\"4237\">\n<p data-start=\"4216\" data-end=\"4237\">flexible flow control<\/p>\n<\/li>\n<li data-section-id=\"1o3rz7d\" data-start=\"4238\" data-end=\"4255\">\n<p data-start=\"4240\" data-end=\"4255\">easy automation<\/p>\n<\/li>\n<li data-section-id=\"szupkx\" data-start=\"4256\" data-end=\"4283\">\n<p data-start=\"4258\" data-end=\"4283\">reduced piping complexity<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4285\" data-end=\"4449\">In many industrial systems, a single 3-way ball valve can reduce installation space significantly compared with using multiple 2-way valves and additional fittings.<\/p>\n<hr data-start=\"4451\" data-end=\"4454\" \/>\n<h1 data-section-id=\"1t5i8ni\" data-start=\"4456\" data-end=\"4494\"><span class=\"ez-toc-section\" id=\"How_Does_a_3-Way_Ball_Valve_Work\"><\/span>How Does a 3-Way Ball Valve Work?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<figure id=\"attachment_8092\" aria-describedby=\"caption-attachment-8092\" style=\"width: 1536px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-8092\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-working-principle-diagram.png\" alt=\"3-way ball valve working principle diagram showing ball, stem, seat and port flow directions\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-working-principle-diagram.png 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-working-principle-diagram-768x512.png 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-working-principle-diagram-18x12.png 18w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-working-principle-diagram-600x400.png 600w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption id=\"caption-attachment-8092\" class=\"wp-caption-text\">Working principle of a 3-way ball valve illustrating how the rotating ball directs fluid between different ports.<\/figcaption><\/figure>\n<p data-start=\"4496\" data-end=\"4653\">A 3-way ball valve works by rotating a bored ball inside the valve body. The shape of the bore determines which ports communicate in each operating position.<\/p>\n<p data-start=\"4655\" data-end=\"4797\">When the handle or actuator turns the stem, the ball rotates by 90 degrees. This changes the flow path by aligning or blocking selected ports.<\/p>\n<h3 data-section-id=\"1b80fh2\" data-start=\"4799\" data-end=\"4835\"><span class=\"ez-toc-section\" id=\"Step-by-step_operating_principle\"><\/span>Step-by-step operating principle<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4 data-start=\"4837\" data-end=\"4867\"><span class=\"ez-toc-section\" id=\"1_Fluid_enters_the_valve\"><\/span>1. Fluid enters the valve<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-start=\"4868\" data-end=\"4935\">The medium enters one or more ports depending on the system design.<\/p>\n<h4 data-start=\"4937\" data-end=\"4975\"><span class=\"ez-toc-section\" id=\"2_The_ball_rotates_into_position\"><\/span>2. The ball rotates into position<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-start=\"4976\" data-end=\"5050\">The bored ball aligns with selected ports according to the valve position.<\/p>\n<h4 data-start=\"5052\" data-end=\"5077\"><span class=\"ez-toc-section\" id=\"3_Ports_communicate\"><\/span>3. Ports communicate<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-start=\"5078\" data-end=\"5173\">The fluid is diverted, mixed, split, or blocked depending on the bore shape and rotation angle.<\/p>\n<h4 data-start=\"5175\" data-end=\"5230\"><span class=\"ez-toc-section\" id=\"4_The_valve_changes_flow_path_with_a_quarter_turn\"><\/span>4. The valve changes flow path with a quarter turn<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-start=\"5231\" data-end=\"5316\">A 90-degree turn shifts the communication path between ports quickly and efficiently.<\/p>\n<h3 data-section-id=\"1fgr55s\" data-start=\"5318\" data-end=\"5345\"><span class=\"ez-toc-section\" id=\"Why_bore_design_matters\"><\/span>Why bore design matters<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5347\" data-end=\"5413\">The actual valve function depends mainly on the ball bore pattern:<\/p>\n<ul data-start=\"5415\" data-end=\"5528\">\n<li data-section-id=\"16oafiy\" data-start=\"5415\" data-end=\"5452\">\n<p data-start=\"5417\" data-end=\"5452\"><strong data-start=\"5417\" data-end=\"5427\">L-port<\/strong> = switching or diverting<\/p>\n<\/li>\n<li data-section-id=\"oxs0r3\" data-start=\"5453\" data-end=\"5528\">\n<p data-start=\"5455\" data-end=\"5528\"><strong data-start=\"5455\" data-end=\"5465\">T-port<\/strong> = mixing, splitting, or more flexible multi-port communication<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"eznum6\" data-start=\"5530\" data-end=\"5569\"><span class=\"ez-toc-section\" id=\"Actuated_3-way_ball_valve_operation\"><\/span>Actuated 3-way ball valve operation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5571\" data-end=\"5635\">In automated systems, 3-way ball valves are often supplied as <strong data-start=\"8363\" data-end=\"8433\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/actuated-ball-valve\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"8365\" data-end=\"8431\">actuated ball valves<\/a><\/strong> :<\/p>\n<ul data-start=\"5637\" data-end=\"5679\">\n<li data-section-id=\"1hdzaek\" data-start=\"5637\" data-end=\"5658\">\n<p data-start=\"5639\" data-end=\"5658\">pneumatic actuators<\/p>\n<\/li>\n<li data-section-id=\"1s1zir\" data-start=\"5659\" data-end=\"5679\">\n<p data-start=\"5661\" data-end=\"5679\">electric actuators<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5681\" data-end=\"5747\">This is common where the valve must switch automatically based on:<\/p>\n<ul data-start=\"5749\" data-end=\"5832\">\n<li data-section-id=\"s1c49w\" data-start=\"5749\" data-end=\"5762\">\n<p data-start=\"5751\" data-end=\"5762\">temperature<\/p>\n<\/li>\n<li data-section-id=\"1tvv3l9\" data-start=\"5763\" data-end=\"5773\">\n<p data-start=\"5765\" data-end=\"5773\">pressure<\/p>\n<\/li>\n<li data-section-id=\"vvulfn\" data-start=\"5774\" data-end=\"5788\">\n<p data-start=\"5776\" data-end=\"5788\">PLC commands<\/p>\n<\/li>\n<li data-section-id=\"4edfy9\" data-start=\"5789\" data-end=\"5813\">\n<p data-start=\"5791\" data-end=\"5813\">timed sequence control<\/p>\n<\/li>\n<li data-section-id=\"83phh5\" data-start=\"5814\" data-end=\"5832\">\n<p data-start=\"5816\" data-end=\"5832\">remote operation<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"13gpgp4\" data-start=\"5834\" data-end=\"5878\"><span class=\"ez-toc-section\" id=\"Engineering_note_actuator_torque_margin\"><\/span>Engineering note: actuator torque margin<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5880\" data-end=\"6276\">In automated service, actuator torque should not be selected too close to the valve\u2019s minimum operating torque. In many practical applications, actuator output torque is chosen with a safety margin above valve break torque. More demanding service conditions such as dirty media, low temperature, infrequent operation after long idle periods, or higher pressure may require a larger safety factor.<\/p>\n<p data-start=\"6278\" data-end=\"6393\">A torque margin that is too low is one of the most common field causes of actuator failure or incomplete switching.<\/p>\n<p data-start=\"6278\" data-end=\"6393\">Where precise remote positioning or electrically driven automation is required, you can also review our <strong data-start=\"8906\" data-end=\"8985\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/electric-ball-valve\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"8908\" data-end=\"8983\">electric ball valve solutions<\/a><\/strong>. For faster on\/off control in automated service, our <strong data-start=\"9298\" data-end=\"9375\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/pneumatic-ball-valve\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"9300\" data-end=\"9373\">pneumatic ball valve range<\/a><\/strong> may be more appropriate.<\/p>\n<hr data-start=\"6395\" data-end=\"6398\" \/>\n<h1 data-section-id=\"reojc1\" data-start=\"6400\" data-end=\"6438\"><span class=\"ez-toc-section\" id=\"L-Port_vs_T-Port_3-Way_Ball_Valve\"><\/span>L-Port vs T-Port 3-Way Ball Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<figure id=\"attachment_8093\" aria-describedby=\"caption-attachment-8093\" style=\"width: 1536px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8093\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-l-port-vs-t-port-flow-comparison.png\" alt=\"L-port vs T-port 3-way ball valve flow pattern comparison showing diverting and mixing configurations\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-l-port-vs-t-port-flow-comparison.png 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-l-port-vs-t-port-flow-comparison-768x512.png 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-l-port-vs-t-port-flow-comparison-18x12.png 18w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/3-way-ball-valve-l-port-vs-t-port-flow-comparison-600x400.png 600w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption id=\"caption-attachment-8093\" class=\"wp-caption-text\">Comparison of L-port and T-port 3-way ball valves showing diverting, mixing, and splitting flow configurations.<\/figcaption><\/figure>\n<p data-start=\"6440\" data-end=\"6502\">This is the most important selection decision for most buyers.<\/p>\n<p data-start=\"6504\" data-end=\"6653\">Many 3-way ball valve problems are not caused by poor manufacturing. They are caused by selecting the wrong ball pattern for the required flow logic.<\/p>\n<h2 data-section-id=\"1psyv8b\" data-start=\"6655\" data-end=\"6685\"><span class=\"ez-toc-section\" id=\"30-Second_Decision_Shortcut\"><\/span>30-Second Decision Shortcut<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-start=\"6687\" data-end=\"6856\">\n<li data-section-id=\"sc03ie\" data-start=\"6687\" data-end=\"6770\">\n<p data-start=\"6689\" data-end=\"6770\"><strong data-start=\"6689\" data-end=\"6750\">Need to switch or divert one flow path between two lines?<\/strong> \u2192 Choose <strong data-start=\"6760\" data-end=\"6770\">L-port<\/strong><\/p>\n<\/li>\n<li data-section-id=\"172lhtb\" data-start=\"6771\" data-end=\"6856\">\n<p data-start=\"6773\" data-end=\"6856\"><strong data-start=\"6773\" data-end=\"6836\">Need to mix two streams or split one stream into two paths?<\/strong> \u2192 Choose <strong data-start=\"6846\" data-end=\"6856\">T-port<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"6858\" data-end=\"6861\" \/>\n<h3 data-section-id=\"1lq61af\" data-start=\"6863\" data-end=\"6906\"><span class=\"ez-toc-section\" id=\"What_Is_an_L-Port_3-Way_Ball_Valve\"><\/span>What Is an L-Port 3-Way Ball Valve?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"6908\" data-end=\"7051\">An <strong data-start=\"6911\" data-end=\"6938\">L-port 3-way ball valve<\/strong> has an L-shaped bore inside the ball. It is mainly designed to connect one common port to one of two side ports.<\/p>\n<figure id=\"attachment_8095\" aria-describedby=\"caption-attachment-8095\" style=\"width: 1381px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8095\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/l-port-3-way-ball-valve-flow-pattern.png\" alt=\"L-port 3-way ball valve flow pattern showing diverting flow between two outlets\" width=\"1381\" height=\"846\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/l-port-3-way-ball-valve-flow-pattern.png 1381w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/l-port-3-way-ball-valve-flow-pattern-768x470.png 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/l-port-3-way-ball-valve-flow-pattern-18x12.png 18w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/l-port-3-way-ball-valve-flow-pattern-600x368.png 600w\" sizes=\"(max-width: 1381px) 100vw, 1381px\" \/><figcaption id=\"caption-attachment-8095\" class=\"wp-caption-text\">L-port 3-way ball valve used for diverting or switching flow between two pipelines.<\/figcaption><\/figure>\n<h3 data-section-id=\"nk8o1q\" data-start=\"7053\" data-end=\"7073\"><span class=\"ez-toc-section\" id=\"Typical_function\"><\/span>Typical function<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"7074\" data-end=\"7144\">\n<li data-section-id=\"8xwc99\" data-start=\"7074\" data-end=\"7090\">\n<p data-start=\"7076\" data-end=\"7090\">flow diversion<\/p>\n<\/li>\n<li data-section-id=\"1yzqlnl\" data-start=\"7091\" data-end=\"7120\">\n<p data-start=\"7093\" data-end=\"7120\">switching between two lines<\/p>\n<\/li>\n<li data-section-id=\"1295zq6\" data-start=\"7121\" data-end=\"7144\">\n<p data-start=\"7123\" data-end=\"7144\">non-mixing changeover<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1x1cuia\" data-start=\"7146\" data-end=\"7168\"><span class=\"ez-toc-section\" id=\"Example_flow_logic\"><\/span>Example flow logic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7169\" data-end=\"7238\">Using port numbering such as <strong data-start=\"7198\" data-end=\"7208\">Port A<\/strong>, <strong data-start=\"7210\" data-end=\"7220\">Port B<\/strong>, and <strong data-start=\"7226\" data-end=\"7237\">Port AB<\/strong>:<\/p>\n<ul data-start=\"7240\" data-end=\"7265\">\n<li data-section-id=\"wkgcyg\" data-start=\"7240\" data-end=\"7252\">\n<p data-start=\"7242\" data-end=\"7252\"><strong data-start=\"7242\" data-end=\"7252\">AB \u2192 A<\/strong><\/p>\n<\/li>\n<li data-section-id=\"wkgdqz\" data-start=\"7253\" data-end=\"7265\">\n<p data-start=\"7255\" data-end=\"7265\"><strong data-start=\"7255\" data-end=\"7265\">AB \u2192 B<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7267\" data-end=\"7337\">This means one common port is connected to one of two ports at a time.<\/p>\n<h3 data-section-id=\"135aw7p\" data-start=\"7339\" data-end=\"7363\"><span class=\"ez-toc-section\" id=\"Typical_applications\"><\/span>Typical applications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"7364\" data-end=\"7450\">\n<li data-section-id=\"doc5ze\" data-start=\"7364\" data-end=\"7380\">\n<p data-start=\"7366\" data-end=\"7380\">tank switching<\/p>\n<\/li>\n<li data-section-id=\"1hfy1eg\" data-start=\"7381\" data-end=\"7398\">\n<p data-start=\"7383\" data-end=\"7398\">pump changeover<\/p>\n<\/li>\n<li data-section-id=\"9jr5wx\" data-start=\"7399\" data-end=\"7423\">\n<p data-start=\"7401\" data-end=\"7423\">utility line diversion<\/p>\n<\/li>\n<li data-section-id=\"19xbuon\" data-start=\"7424\" data-end=\"7450\">\n<p data-start=\"7426\" data-end=\"7450\">alternate supply routing<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"kl84iw\" data-start=\"7452\" data-end=\"7476\"><span class=\"ez-toc-section\" id=\"Important_limitation\"><\/span>Important limitation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7477\" data-end=\"7565\">An L-port valve is not the right choice for true continuous mixing of two inlet streams.<\/p>\n<hr data-start=\"7567\" data-end=\"7570\" \/>\n<h3 data-section-id=\"1710w1d\" data-start=\"7572\" data-end=\"7614\"><span class=\"ez-toc-section\" id=\"What_Is_a_T-Port_3-Way_Ball_Valve\"><\/span>What Is a T-Port 3-Way Ball Valve?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7616\" data-end=\"7757\">A <strong data-start=\"7618\" data-end=\"7645\">T-port 3-way ball valve<\/strong> has a T-shaped bore inside the ball. It offers more flexible communication between ports than an L-port design.<\/p>\n<figure id=\"attachment_8094\" aria-describedby=\"caption-attachment-8094\" style=\"width: 1128px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8094 size-full\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/t-port-3-way-ball-valve-flow-pattern.png\" alt=\"T-port 3-way ball valve flow pattern showing mixing and splitting fluid flow paths\" width=\"1128\" height=\"925\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/t-port-3-way-ball-valve-flow-pattern.png 1128w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/t-port-3-way-ball-valve-flow-pattern-768x630.png 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/t-port-3-way-ball-valve-flow-pattern-15x12.png 15w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/t-port-3-way-ball-valve-flow-pattern-600x492.png 600w\" sizes=\"(max-width: 1128px) 100vw, 1128px\" \/><figcaption id=\"caption-attachment-8094\" class=\"wp-caption-text\">T-port 3-way ball valve configuration used for mixing two fluid streams or splitting one flow into two directions.<\/figcaption><\/figure>\n<h3 data-section-id=\"nk8o1q\" data-start=\"7759\" data-end=\"7779\"><span class=\"ez-toc-section\" id=\"Typical_function-2\"><\/span>Typical function<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"7780\" data-end=\"7884\">\n<li data-section-id=\"15d9u8k\" data-start=\"7780\" data-end=\"7788\">\n<p data-start=\"7782\" data-end=\"7788\">mixing<\/p>\n<\/li>\n<li data-section-id=\"6pcze6\" data-start=\"7789\" data-end=\"7800\">\n<p data-start=\"7791\" data-end=\"7800\">splitting<\/p>\n<\/li>\n<li data-section-id=\"ge1tcc\" data-start=\"7801\" data-end=\"7815\">\n<p data-start=\"7803\" data-end=\"7815\">bypass logic<\/p>\n<\/li>\n<li data-section-id=\"ovpeyd\" data-start=\"7816\" data-end=\"7842\">\n<p data-start=\"7818\" data-end=\"7842\">multi-port communication<\/p>\n<\/li>\n<li data-section-id=\"1onlaer\" data-start=\"7843\" data-end=\"7884\">\n<p data-start=\"7845\" data-end=\"7884\">straight-through flow in some positions<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1x1cuia\" data-start=\"7886\" data-end=\"7908\"><span class=\"ez-toc-section\" id=\"Example_flow_logic-2\"><\/span>Example flow logic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7909\" data-end=\"7959\">Depending on ball orientation, the flow may allow:<\/p>\n<ul data-start=\"7961\" data-end=\"8059\">\n<li data-section-id=\"4k9apd\" data-start=\"7961\" data-end=\"7977\">\n<p data-start=\"7963\" data-end=\"7977\"><strong data-start=\"7963\" data-end=\"7977\">A + B \u2192 AB<\/strong><\/p>\n<\/li>\n<li data-section-id=\"mgtchd\" data-start=\"7978\" data-end=\"7994\">\n<p data-start=\"7980\" data-end=\"7994\"><strong data-start=\"7980\" data-end=\"7994\">AB \u2192 A + B<\/strong><\/p>\n<\/li>\n<li data-section-id=\"ji84ig\" data-start=\"7995\" data-end=\"8027\">\n<p data-start=\"7997\" data-end=\"8027\">straight-through communication<\/p>\n<\/li>\n<li data-section-id=\"1vtfcwr\" data-start=\"8028\" data-end=\"8059\">\n<p data-start=\"8030\" data-end=\"8059\">selective shutoff of one port<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"135aw7p\" data-start=\"8061\" data-end=\"8085\"><span class=\"ez-toc-section\" id=\"Typical_applications-2\"><\/span>Typical applications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"8086\" data-end=\"8215\">\n<li data-section-id=\"j5qvvj\" data-start=\"8086\" data-end=\"8104\">\n<p data-start=\"8088\" data-end=\"8104\">blending systems<\/p>\n<\/li>\n<li data-section-id=\"1f4ikak\" data-start=\"8105\" data-end=\"8121\">\n<p data-start=\"8107\" data-end=\"8121\">flow splitting<\/p>\n<\/li>\n<li data-section-id=\"y7xj4c\" data-start=\"8122\" data-end=\"8149\">\n<p data-start=\"8124\" data-end=\"8149\">temperature control loops<\/p>\n<\/li>\n<li data-section-id=\"15recyf\" data-start=\"8150\" data-end=\"8184\">\n<p data-start=\"8152\" data-end=\"8184\">bypass and recirculation systems<\/p>\n<\/li>\n<li data-section-id=\"cpjj3e\" data-start=\"8185\" data-end=\"8215\">\n<p data-start=\"8187\" data-end=\"8215\">more complex process routing<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"kl84iw\" data-start=\"8217\" data-end=\"8241\"><span class=\"ez-toc-section\" id=\"Important_limitation-2\"><\/span>Important limitation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8242\" data-end=\"8418\">A T-port valve is more flexible, but it must be selected and positioned carefully. If the intended flow logic is not verified in advance, unwanted port communication may occur.<\/p>\n<hr data-start=\"8420\" data-end=\"8423\" \/>\n<h3 data-section-id=\"1ee2ylk\" data-start=\"8425\" data-end=\"8462\"><span class=\"ez-toc-section\" id=\"Port_Numbering_and_Flow_Logic\"><\/span>Port Numbering and Flow Logic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8464\" data-end=\"8566\">To avoid confusion, engineers often define 3-way ball valve flow paths using standard port references:<\/p>\n<ul data-start=\"8568\" data-end=\"8621\">\n<li data-section-id=\"kkw0xc\" data-start=\"8568\" data-end=\"8580\">\n<p data-start=\"8570\" data-end=\"8580\"><strong data-start=\"8570\" data-end=\"8580\">Port A<\/strong><\/p>\n<\/li>\n<li data-section-id=\"kkw4z7\" data-start=\"8581\" data-end=\"8593\">\n<p data-start=\"8583\" data-end=\"8593\"><strong data-start=\"8583\" data-end=\"8593\">Port B<\/strong><\/p>\n<\/li>\n<li data-section-id=\"9ef90n\" data-start=\"8594\" data-end=\"8621\">\n<p data-start=\"8596\" data-end=\"8621\"><strong data-start=\"8596\" data-end=\"8607\">Port AB<\/strong> (common port)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8623\" data-end=\"8717\">This makes it easier to define the required communication path during selection and quotation.<\/p>\n<h4 data-start=\"8719\" data-end=\"8738\"><span class=\"ez-toc-section\" id=\"L-port_example\"><\/span>L-port example<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul data-start=\"8739\" data-end=\"8826\">\n<li data-section-id=\"8im7e6\" data-start=\"8739\" data-end=\"8768\">\n<p data-start=\"8741\" data-end=\"8768\">Port AB connected to Port A<\/p>\n<\/li>\n<li data-section-id=\"8im7e5\" data-start=\"8769\" data-end=\"8798\">\n<p data-start=\"8771\" data-end=\"8798\">Port AB connected to Port B<\/p>\n<\/li>\n<li data-section-id=\"1j3xaz0\" data-start=\"8799\" data-end=\"8826\">\n<p data-start=\"8801\" data-end=\"8826\">one path active at a time<\/p>\n<\/li>\n<\/ul>\n<h4 data-start=\"8828\" data-end=\"8847\"><span class=\"ez-toc-section\" id=\"T-port_example\"><\/span>T-port example<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul data-start=\"8848\" data-end=\"8999\">\n<li data-section-id=\"kk29q2\" data-start=\"8848\" data-end=\"8884\">\n<p data-start=\"8850\" data-end=\"8884\">Port A and Port B mix into Port AB<\/p>\n<\/li>\n<li data-section-id=\"30wv3b\" data-start=\"8885\" data-end=\"8924\">\n<p data-start=\"8887\" data-end=\"8924\">Port AB splits into Port A and Port B<\/p>\n<\/li>\n<li data-section-id=\"5vncvf\" data-start=\"8925\" data-end=\"8999\">\n<p data-start=\"8927\" data-end=\"8999\">or one straight-through path remains open depending on the ball position<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"9001\" data-end=\"9004\" \/>\n<h3 data-section-id=\"qds8l5\" data-start=\"9006\" data-end=\"9043\"><span class=\"ez-toc-section\" id=\"Head-to-Head_Comparison_Table\"><\/span>Head-to-Head Comparison Table<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"9045\" data-end=\"9686\" data-extentions-extra-tablecapture-id=\"566839\">\n<thead data-start=\"9045\" data-end=\"9108\">\n<tr data-start=\"9045\" data-end=\"9108\">\n<th class=\"\" data-start=\"9045\" data-end=\"9055\" data-col-size=\"md\">Feature<\/th>\n<th class=\"\" data-start=\"9055\" data-end=\"9081\" data-col-size=\"sm\">L-Port 3-Way Ball Valve<\/th>\n<th class=\"\" data-start=\"9081\" data-end=\"9108\" data-col-size=\"md\">T-Port 3-Way Ball Valve<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"9123\" data-end=\"9686\">\n<tr data-start=\"9123\" data-end=\"9166\">\n<td data-start=\"9123\" data-end=\"9143\" data-col-size=\"md\">Ball bore pattern<\/td>\n<td data-start=\"9143\" data-end=\"9154\" data-col-size=\"sm\">L-shaped<\/td>\n<td data-start=\"9154\" data-end=\"9166\" data-col-size=\"md\">T-shaped<\/td>\n<\/tr>\n<tr data-start=\"9167\" data-end=\"9247\">\n<td data-start=\"9167\" data-end=\"9183\" data-col-size=\"md\">Main function<\/td>\n<td data-start=\"9183\" data-end=\"9207\" data-col-size=\"sm\">Diverting \/ switching<\/td>\n<td data-start=\"9207\" data-end=\"9247\" data-col-size=\"md\">Mixing \/ splitting \/ multi-port flow<\/td>\n<\/tr>\n<tr data-start=\"9248\" data-end=\"9292\">\n<td data-start=\"9248\" data-end=\"9280\" data-col-size=\"md\">Can it mix two inlet streams?<\/td>\n<td data-start=\"9280\" data-end=\"9285\" data-col-size=\"sm\">No<\/td>\n<td data-start=\"9285\" data-end=\"9292\" data-col-size=\"md\">Yes<\/td>\n<\/tr>\n<tr data-start=\"9293\" data-end=\"9377\">\n<td data-start=\"9293\" data-end=\"9337\" data-col-size=\"md\">Can it split one stream into two outlets?<\/td>\n<td data-start=\"9337\" data-end=\"9370\" data-col-size=\"sm\">Limited \/ not true split logic<\/td>\n<td data-start=\"9370\" data-end=\"9377\" data-col-size=\"md\">Yes<\/td>\n<\/tr>\n<tr data-start=\"9378\" data-end=\"9466\">\n<td data-start=\"9378\" data-end=\"9418\" data-col-size=\"md\">Simultaneous multi-port communication<\/td>\n<td data-start=\"9418\" data-end=\"9431\" data-col-size=\"sm\">Usually no<\/td>\n<td data-start=\"9431\" data-end=\"9466\" data-col-size=\"md\">Yes, depending on ball position<\/td>\n<\/tr>\n<tr data-start=\"9467\" data-end=\"9569\">\n<td data-start=\"9467\" data-end=\"9478\" data-col-size=\"md\">Best for<\/td>\n<td data-start=\"9478\" data-end=\"9518\" data-col-size=\"sm\">Tank switching, changeover, diversion<\/td>\n<td data-start=\"9518\" data-end=\"9569\" data-col-size=\"md\">Blending, bypass, distribution, complex routing<\/td>\n<\/tr>\n<tr data-start=\"9570\" data-end=\"9686\">\n<td data-start=\"9570\" data-end=\"9592\" data-col-size=\"md\">Main selection risk<\/td>\n<td data-start=\"9592\" data-end=\"9629\" data-col-size=\"sm\">Wrong choice if mixing is required<\/td>\n<td data-start=\"9629\" data-end=\"9686\" data-col-size=\"md\">Wrong choice if strict one-path switching is required<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"9688\" data-end=\"9691\" \/>\n<h3 data-section-id=\"1bdk6z8\" data-start=\"9693\" data-end=\"9756\"><span class=\"ez-toc-section\" id=\"Engineers_Recommendation_Which_One_Should_You_Choose\"><\/span>Engineer\u2019s Recommendation: Which One Should You Choose?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"9758\" data-end=\"9779\">Choose <strong data-start=\"9765\" data-end=\"9775\">L-port<\/strong> if:<\/p>\n<ul data-start=\"9781\" data-end=\"9984\">\n<li data-section-id=\"18zbqog\" data-start=\"9781\" data-end=\"9859\">\n<p data-start=\"9783\" data-end=\"9859\">you need one inlet or common port to switch between two different flow paths<\/p>\n<\/li>\n<li data-section-id=\"1fz5kyx\" data-start=\"9860\" data-end=\"9928\">\n<p data-start=\"9862\" data-end=\"9928\">you do not need simultaneous communication between all three ports<\/p>\n<\/li>\n<li data-section-id=\"1wryssy\" data-start=\"9929\" data-end=\"9984\">\n<p data-start=\"9931\" data-end=\"9984\">your application is primarily diversion or changeover<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"9986\" data-end=\"10007\">Choose <strong data-start=\"9993\" data-end=\"10003\">T-port<\/strong> if:<\/p>\n<ul data-start=\"10009\" data-end=\"10131\">\n<li data-section-id=\"my34w5\" data-start=\"10009\" data-end=\"10038\">\n<p data-start=\"10011\" data-end=\"10038\">you need to mix two streams<\/p>\n<\/li>\n<li data-section-id=\"3hrs28\" data-start=\"10039\" data-end=\"10069\">\n<p data-start=\"10041\" data-end=\"10069\">you need to split one stream<\/p>\n<\/li>\n<li data-section-id=\"pcssup\" data-start=\"10070\" data-end=\"10131\">\n<p data-start=\"10072\" data-end=\"10131\">you need more flexible communication between multiple ports<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1w0rz79\" data-start=\"10133\" data-end=\"10153\"><span class=\"ez-toc-section\" id=\"Engineer_warning\"><\/span>Engineer warning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"10155\" data-end=\"10316\">Using an <strong data-start=\"10164\" data-end=\"10180\">L-port valve<\/strong> where mixing is required can result in incorrect routing, failed process performance, or complete loss of the intended mixing function.<\/p>\n<p data-start=\"10318\" data-end=\"10498\">Using a <strong data-start=\"10326\" data-end=\"10342\">T-port valve<\/strong> where strict one-path diversion is required can create unwanted communication paths if the ball pattern and operating positions are not verified carefully.<\/p>\n<p data-start=\"10500\" data-end=\"10621\"><strong data-start=\"10500\" data-end=\"10621\">Still unsure which port pattern fits your piping system? Send us your service conditions for a custom recommendation.<\/strong><\/p>\n<hr data-start=\"10623\" data-end=\"10626\" \/>\n<h1 data-section-id=\"1g7fv2a\" data-start=\"10628\" data-end=\"10674\"><span class=\"ez-toc-section\" id=\"Common_Flow_Patterns_of_3-Way_Ball_Valves\"><\/span>Common Flow Patterns of 3-Way Ball Valves<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"10676\" data-end=\"10773\">The same valve body can behave very differently depending on the ball bore and rotation position.<\/p>\n<p data-start=\"10775\" data-end=\"10809\">The most common flow patterns are:<\/p>\n<h3 data-section-id=\"cttnk1\" data-start=\"10811\" data-end=\"10827\"><span class=\"ez-toc-section\" id=\"1_Diverting\"><\/span>1. Diverting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"10828\" data-end=\"10928\">One common flow path is directed to one of two outlets.<br data-start=\"10883\" data-end=\"10886\" \/>This is usually an <strong data-start=\"10905\" data-end=\"10927\">L-port application<\/strong>.<\/p>\n<h3 data-section-id=\"11ye4bq\" data-start=\"10930\" data-end=\"10943\"><span class=\"ez-toc-section\" id=\"2_Mixing\"><\/span>2. Mixing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"10944\" data-end=\"11030\">Two inlet streams combine into one outlet.<br data-start=\"10986\" data-end=\"10989\" \/>This is usually a <strong data-start=\"11007\" data-end=\"11029\">T-port application<\/strong>.<\/p>\n<h3 data-section-id=\"12oqjzx\" data-start=\"11032\" data-end=\"11048\"><span class=\"ez-toc-section\" id=\"3_Splitting\"><\/span>3. Splitting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"11049\" data-end=\"11147\">One inlet stream is distributed into two outlets.<br data-start=\"11098\" data-end=\"11101\" \/>This is also usually a <strong data-start=\"11124\" data-end=\"11146\">T-port application<\/strong>.<\/p>\n<h3 data-section-id=\"tdriqx\" data-start=\"11149\" data-end=\"11185\"><span class=\"ez-toc-section\" id=\"4_Shutoff_or_isolation_position\"><\/span>4. Shutoff or isolation position<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"11186\" data-end=\"11262\">Depending on port pattern and ball position, selected ports may be isolated.<\/p>\n<h3 data-section-id=\"zsx3f3\" data-start=\"11264\" data-end=\"11292\"><span class=\"ez-toc-section\" id=\"Why_flow_diagrams_matter\"><\/span>Why flow diagrams matter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"11294\" data-end=\"11524\">For a 3-way ball valve, the name alone is not enough.<br data-start=\"11347\" data-end=\"11350\" \/>A proper flow diagram showing which ports communicate in each handle or actuator position is often the safest way to confirm that the valve matches the intended piping logic.<\/p>\n<hr data-start=\"11526\" data-end=\"11529\" \/>\n<h1 data-section-id=\"1dsw0b7\" data-start=\"11531\" data-end=\"11576\"><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Right_3-Way_Ball_Valve\"><\/span>How to Choose the Right 3-Way Ball Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"11578\" data-end=\"11674\">Choosing the right 3-way ball valve requires more than matching nominal size and pressure class.<\/p>\n<p data-start=\"11676\" data-end=\"11779\">In 3-way ball valves, incorrect flow logic selection is often more serious than a simple size mismatch.<\/p>\n<h3 data-section-id=\"fh0v9c\" data-start=\"11781\" data-end=\"11794\"><span class=\"ez-toc-section\" id=\"Important\"><\/span>Important<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"11796\" data-end=\"11974\">To ensure the valve matches your real operating conditions, confirm the actual process function, media, pressure, temperature, and connection details before requesting quotation.<\/p>\n<hr data-start=\"11976\" data-end=\"11979\" \/>\n<h3 data-section-id=\"16y6cqa\" data-start=\"11981\" data-end=\"12027\"><span class=\"ez-toc-section\" id=\"Step_1_%E2%80%94_Confirm_the_required_function\"><\/span>Step 1 \u2014 Confirm the required function<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"12029\" data-end=\"12039\">Ask first:<\/p>\n<ul data-start=\"12041\" data-end=\"12178\">\n<li data-section-id=\"z52m6l\" data-start=\"12041\" data-end=\"12065\">\n<p data-start=\"12043\" data-end=\"12065\">Do you need diverting?<\/p>\n<\/li>\n<li data-section-id=\"6p9nnt\" data-start=\"12066\" data-end=\"12087\">\n<p data-start=\"12068\" data-end=\"12087\">Do you need mixing?<\/p>\n<\/li>\n<li data-section-id=\"j9ql4j\" data-start=\"12088\" data-end=\"12112\">\n<p data-start=\"12090\" data-end=\"12112\">Do you need splitting?<\/p>\n<\/li>\n<li data-section-id=\"1oyjh9b\" data-start=\"12113\" data-end=\"12134\">\n<p data-start=\"12115\" data-end=\"12134\">Do you need bypass?<\/p>\n<\/li>\n<li data-section-id=\"1qvigkv\" data-start=\"12135\" data-end=\"12178\">\n<p data-start=\"12137\" data-end=\"12178\">Do you need one-path-at-a-time switching?<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12180\" data-end=\"12246\">This usually determines whether you need <strong data-start=\"12221\" data-end=\"12231\">L-port<\/strong> or <strong data-start=\"12235\" data-end=\"12245\">T-port<\/strong>.<\/p>\n<hr data-start=\"12248\" data-end=\"12251\" \/>\n<h3 data-section-id=\"umlbhc\" data-start=\"12253\" data-end=\"12299\"><span class=\"ez-toc-section\" id=\"Step_2_%E2%80%94_Confirm_media_and_temperature\"><\/span>Step 2 \u2014 Confirm media and temperature<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"12301\" data-end=\"12373\">The valve must match the actual process fluid and operating temperature.<\/p>\n<p data-start=\"12375\" data-end=\"12381\">Check:<\/p>\n<ul data-start=\"12383\" data-end=\"12465\">\n<li data-section-id=\"16qbdjx\" data-start=\"12383\" data-end=\"12390\">\n<p data-start=\"12385\" data-end=\"12390\">water<\/p>\n<\/li>\n<li data-section-id=\"1o3m5e\" data-start=\"12391\" data-end=\"12396\">\n<p data-start=\"12393\" data-end=\"12396\">oil<\/p>\n<\/li>\n<li data-section-id=\"1o3sot\" data-start=\"12397\" data-end=\"12402\">\n<p data-start=\"12399\" data-end=\"12402\">gas<\/p>\n<\/li>\n<li data-section-id=\"16n84km\" data-start=\"12403\" data-end=\"12410\">\n<p data-start=\"12405\" data-end=\"12410\">steam<\/p>\n<\/li>\n<li data-section-id=\"plcqtx\" data-start=\"12411\" data-end=\"12432\">\n<p data-start=\"12413\" data-end=\"12432\">corrosive chemicals<\/p>\n<\/li>\n<li data-section-id=\"do7oox\" data-start=\"12433\" data-end=\"12465\">\n<p data-start=\"12435\" data-end=\"12465\">contaminated or abrasive media<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12467\" data-end=\"12480\">Also confirm:<\/p>\n<ul data-start=\"12482\" data-end=\"12525\">\n<li data-section-id=\"1q3eszw\" data-start=\"12482\" data-end=\"12503\">\n<p data-start=\"12484\" data-end=\"12503\">maximum temperature<\/p>\n<\/li>\n<li data-section-id=\"yuoatu\" data-start=\"12504\" data-end=\"12525\">\n<p data-start=\"12506\" data-end=\"12525\">minimum temperature<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12527\" data-end=\"12670\">For general service, soft seats are common. For higher temperature or more demanding service, reinforced or metal seat options may be required.<\/p>\n<hr data-start=\"12672\" data-end=\"12675\" \/>\n<h3 data-section-id=\"1fqq02o\" data-start=\"12677\" data-end=\"12717\"><span class=\"ez-toc-section\" id=\"Step_3_%E2%80%94_Confirm_pressure_rating\"><\/span>Step 3 \u2014 Confirm pressure rating<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"12719\" data-end=\"12743\">Pressure rating affects:<\/p>\n<ul data-start=\"12745\" data-end=\"12839\">\n<li data-section-id=\"157kwot\" data-start=\"12745\" data-end=\"12760\">\n<p data-start=\"12747\" data-end=\"12760\">body strength<\/p>\n<\/li>\n<li data-section-id=\"11ggvt9\" data-start=\"12761\" data-end=\"12772\">\n<p data-start=\"12763\" data-end=\"12772\">seat load<\/p>\n<\/li>\n<li data-section-id=\"12dlvun\" data-start=\"12773\" data-end=\"12793\">\n<p data-start=\"12775\" data-end=\"12793\">torque requirement<\/p>\n<\/li>\n<li data-section-id=\"1lpapsz\" data-start=\"12794\" data-end=\"12815\">\n<p data-start=\"12796\" data-end=\"12815\">sealing reliability<\/p>\n<\/li>\n<li data-section-id=\"3t9oqh\" data-start=\"12816\" data-end=\"12839\">\n<p data-start=\"12818\" data-end=\"12839\">long-term performance<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12841\" data-end=\"12993\">For general industrial service, <strong data-start=\"7033\" data-end=\"7112\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/floating-ball-valve-2\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"7035\" data-end=\"7110\">floating ball valve designs<\/a><\/strong> are common because they are widely used in low-to-medium pressure applications and offer a practical balance between sealing performance and cost. For higher-duty conditions, <strong data-start=\"7664\" data-end=\"7747\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/trunnion-ball-valve\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"7666\" data-end=\"7745\">trunnion ball valve constructions<\/a><\/strong> or other heavier-duty designs may be more suitable where pressure, valve size, or torque demand is significantly higher.<\/p>\n<hr data-start=\"12995\" data-end=\"12998\" \/>\n<h3 data-section-id=\"ms2hqd\" data-start=\"13000\" data-end=\"13048\"><span class=\"ez-toc-section\" id=\"Step_4_%E2%80%94_Confirm_body_and_seat_materials\"><\/span>Step 4 \u2014 Confirm body and seat materials<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"13050\" data-end=\"13081\">Typical body materials include:<\/p>\n<ul data-start=\"13083\" data-end=\"13200\">\n<li data-section-id=\"1a43dvq\" data-start=\"13083\" data-end=\"13101\">\n<p data-start=\"13085\" data-end=\"13101\">WCB carbon steel<\/p>\n<\/li>\n<li data-section-id=\"pz49a4\" data-start=\"13102\" data-end=\"13123\">\n<p data-start=\"13104\" data-end=\"13123\">stainless steel 304<\/p>\n<\/li>\n<li data-section-id=\"pz499b\" data-start=\"13124\" data-end=\"13145\">\n<p data-start=\"13126\" data-end=\"13145\">stainless steel 316<\/p>\n<\/li>\n<li data-section-id=\"bb14jf\" data-start=\"13146\" data-end=\"13170\">\n<p data-start=\"13148\" data-end=\"13170\">duplex stainless steel<\/p>\n<\/li>\n<li data-section-id=\"muzbdx\" data-start=\"13171\" data-end=\"13200\">\n<p data-start=\"13173\" data-end=\"13200\">brass for selected services<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"13202\" data-end=\"13233\">Typical seat materials include:<\/p>\n<ul data-start=\"13235\" data-end=\"13277\">\n<li data-section-id=\"1j4acj3\" data-start=\"13235\" data-end=\"13241\">\n<p data-start=\"13237\" data-end=\"13241\">PTFE<\/p>\n<\/li>\n<li data-section-id=\"179qyt9\" data-start=\"13242\" data-end=\"13249\">\n<p data-start=\"13244\" data-end=\"13249\">RPTFE<\/p>\n<\/li>\n<li data-section-id=\"1j4angz\" data-start=\"13250\" data-end=\"13256\">\n<p data-start=\"13252\" data-end=\"13256\">PEEK<\/p>\n<\/li>\n<li data-section-id=\"11fncdm\" data-start=\"13257\" data-end=\"13277\">\n<p data-start=\"13259\" data-end=\"13277\">metal seat options<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"2a9395\" data-start=\"13279\" data-end=\"13311\"><span class=\"ez-toc-section\" id=\"Material_compatibility_guide\"><\/span>Material compatibility guide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"13313\" data-end=\"13758\" data-extentions-extra-tablecapture-id=\"412940\">\n<thead data-start=\"13313\" data-end=\"13386\">\n<tr data-start=\"13313\" data-end=\"13386\">\n<th class=\"\" data-start=\"13313\" data-end=\"13329\" data-col-size=\"sm\">Process Media<\/th>\n<th class=\"\" data-start=\"13329\" data-end=\"13357\" data-col-size=\"sm\">Recommended Body Material<\/th>\n<th class=\"\" data-start=\"13357\" data-end=\"13386\" data-col-size=\"sm\">Recommended Seat Material<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"13401\" data-end=\"13758\">\n<tr data-start=\"13401\" data-end=\"13447\">\n<td data-start=\"13401\" data-end=\"13409\" data-col-size=\"sm\">Water<\/td>\n<td data-start=\"13409\" data-end=\"13431\" data-col-size=\"sm\">WCB \/ SS304 \/ SS316<\/td>\n<td data-start=\"13431\" data-end=\"13447\" data-col-size=\"sm\">PTFE \/ RPTFE<\/td>\n<\/tr>\n<tr data-start=\"13448\" data-end=\"13526\">\n<td data-start=\"13448\" data-end=\"13478\" data-col-size=\"sm\">General oil and gas service<\/td>\n<td data-start=\"13478\" data-end=\"13510\" data-col-size=\"sm\">Carbon steel \/ SS316 \/ Duplex<\/td>\n<td data-start=\"13510\" data-end=\"13526\" data-col-size=\"sm\">RPTFE \/ PEEK<\/td>\n<\/tr>\n<tr data-start=\"13527\" data-end=\"13598\">\n<td data-start=\"13527\" data-end=\"13549\" data-col-size=\"sm\">Corrosive chemicals<\/td>\n<td data-start=\"13549\" data-end=\"13583\" data-col-size=\"sm\">SS316 \/ Duplex \/ special alloys<\/td>\n<td data-start=\"13583\" data-end=\"13598\" data-col-size=\"sm\">PTFE \/ PEEK<\/td>\n<\/tr>\n<tr data-start=\"13599\" data-end=\"13680\">\n<td data-start=\"13599\" data-end=\"13626\" data-col-size=\"sm\">High-temperature service<\/td>\n<td data-start=\"13626\" data-end=\"13659\" data-col-size=\"sm\">Carbon steel \/ stainless steel<\/td>\n<td data-start=\"13659\" data-end=\"13680\" data-col-size=\"sm\">PEEK \/ metal seat<\/td>\n<\/tr>\n<tr data-start=\"13681\" data-end=\"13758\">\n<td data-start=\"13681\" data-end=\"13705\" data-col-size=\"sm\">More abrasive service<\/td>\n<td data-start=\"13705\" data-end=\"13730\" data-col-size=\"sm\">Duplex \/ harder alloys<\/td>\n<td data-start=\"13730\" data-end=\"13758\" data-col-size=\"sm\">reinforced or metal seat<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"13760\" data-end=\"13906\">For corrosive or higher-duty service, NTGD can support material selection based on actual media compatibility and pressure-temperature conditions.<\/p>\n<hr data-start=\"13908\" data-end=\"13911\" \/>\n<h3 data-section-id=\"c2zz2m\" data-start=\"13913\" data-end=\"13963\"><span class=\"ez-toc-section\" id=\"Step_5_%E2%80%94_Confirm_full_port_or_reduced_port\"><\/span>Step 5 \u2014 Confirm full port or reduced port<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"13965\" data-end=\"14019\">This directly affects flow capacity and pressure drop.<\/p>\n<ul data-start=\"14021\" data-end=\"14170\">\n<li data-section-id=\"138aky5\" data-start=\"14021\" data-end=\"14083\">\n<p data-start=\"14023\" data-end=\"14083\"><strong data-start=\"14023\" data-end=\"14036\">Full port<\/strong> = lower pressure drop and better flow capacity<\/p>\n<\/li>\n<li data-section-id=\"842vly\" data-start=\"14084\" data-end=\"14170\">\n<p data-start=\"14086\" data-end=\"14170\"><strong data-start=\"14086\" data-end=\"14102\">Reduced port<\/strong> = more compact and potentially lower cost, but higher pressure drop<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"14172\" data-end=\"14283\">If the system is sensitive to pressure loss, reduced port designs should be checked carefully before selection.<\/p>\n<p data-start=\"14285\" data-end=\"14427\"><strong data-start=\"14285\" data-end=\"14427\">Not sure whether full port or reduced port is suitable for your system? Send us your flow and pressure-drop requirements for quick review.<\/strong><\/p>\n<hr data-start=\"14429\" data-end=\"14432\" \/>\n<h3 data-section-id=\"loq8o6\" data-start=\"14434\" data-end=\"14475\"><span class=\"ez-toc-section\" id=\"Step_6_%E2%80%94_Confirm_actuation_method\"><\/span>Step 6 \u2014 Confirm actuation method<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"14477\" data-end=\"14489\">Choose from:<\/p>\n<ul data-start=\"14491\" data-end=\"14563\">\n<li data-section-id=\"1cmdv4o\" data-start=\"14491\" data-end=\"14506\">\n<p data-start=\"14493\" data-end=\"14506\">manual handle<\/p>\n<\/li>\n<li data-section-id=\"3p0v09\" data-start=\"14507\" data-end=\"14522\">\n<p data-start=\"14509\" data-end=\"14522\">gear operator<\/p>\n<\/li>\n<li data-section-id=\"1h9ykan\" data-start=\"14523\" data-end=\"14543\">\n<p data-start=\"14525\" data-end=\"14543\">pneumatic actuator<\/p>\n<\/li>\n<li data-section-id=\"1us2s0w\" data-start=\"14544\" data-end=\"14563\">\n<p data-start=\"14546\" data-end=\"14563\">electric actuator<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"14565\" data-end=\"14586\">Actuation depends on:<\/p>\n<ul data-start=\"14588\" data-end=\"14692\">\n<li data-section-id=\"ajeyxq\" data-start=\"14588\" data-end=\"14609\">\n<p data-start=\"14590\" data-end=\"14609\">switching frequency<\/p>\n<\/li>\n<li data-section-id=\"1oie96p\" data-start=\"14610\" data-end=\"14628\">\n<p data-start=\"14612\" data-end=\"14628\">automation level<\/p>\n<\/li>\n<li data-section-id=\"50qv3r\" data-start=\"14629\" data-end=\"14650\">\n<p data-start=\"14631\" data-end=\"14650\">available utilities<\/p>\n<\/li>\n<li data-section-id=\"1884yv9\" data-start=\"14651\" data-end=\"14676\">\n<p data-start=\"14653\" data-end=\"14676\">required response speed<\/p>\n<\/li>\n<li data-section-id=\"ffsh8n\" data-start=\"14677\" data-end=\"14692\">\n<p data-start=\"14679\" data-end=\"14692\">torque demand<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"14694\" data-end=\"14790\">In automated service, actuator sizing should always be verified against actual operating torque.<\/p>\n<hr data-start=\"14792\" data-end=\"14795\" \/>\n<h3 data-section-id=\"2xlt1b\" data-start=\"14797\" data-end=\"14836\"><span class=\"ez-toc-section\" id=\"Step_7_%E2%80%94_Confirm_end_connection\"><\/span>Step 7 \u2014 Confirm end connection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"14838\" data-end=\"14870\">Typical end connections include:<\/p>\n<ul data-start=\"14872\" data-end=\"14918\">\n<li data-section-id=\"wyltuv\" data-start=\"14872\" data-end=\"14882\">\n<p data-start=\"14874\" data-end=\"14882\">threaded<\/p>\n<\/li>\n<li data-section-id=\"1ufu113\" data-start=\"14883\" data-end=\"14896\">\n<p data-start=\"14885\" data-end=\"14896\">socket weld<\/p>\n<\/li>\n<li data-section-id=\"dsy43p\" data-start=\"14897\" data-end=\"14908\">\n<p data-start=\"14899\" data-end=\"14908\">butt weld<\/p>\n<\/li>\n<li data-section-id=\"yc2oa3\" data-start=\"14909\" data-end=\"14918\">\n<p data-start=\"14911\" data-end=\"14918\">flanged<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"14920\" data-end=\"15002\">Always confirm that the valve connection matches the piping standard used on site.<\/p>\n<hr data-start=\"15004\" data-end=\"15007\" \/>\n<h3 data-section-id=\"pah736\" data-start=\"15009\" data-end=\"15066\"><span class=\"ez-toc-section\" id=\"Step_8_%E2%80%94_Match_the_valve_to_the_real_failure_risk\"><\/span>Step 8 \u2014 Match the valve to the real failure risk<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"15068\" data-end=\"15199\">The best 3-way ball valve is not the one with the longest datasheet.<br data-start=\"15136\" data-end=\"15139\" \/>It is the one that best reduces the main risk in the system.<\/p>\n<p data-start=\"15201\" data-end=\"15205\">Ask:<\/p>\n<ul data-start=\"15207\" data-end=\"15388\">\n<li data-section-id=\"10qwt41\" data-start=\"15207\" data-end=\"15246\">\n<p data-start=\"15209\" data-end=\"15246\">Is wrong flow logic the biggest risk?<\/p>\n<\/li>\n<li data-section-id=\"1wzdc9e\" data-start=\"15247\" data-end=\"15283\">\n<p data-start=\"15249\" data-end=\"15283\">Is pressure drop the biggest risk?<\/p>\n<\/li>\n<li data-section-id=\"ms0zb2\" data-start=\"15284\" data-end=\"15314\">\n<p data-start=\"15286\" data-end=\"15314\">Is leakage the biggest risk?<\/p>\n<\/li>\n<li data-section-id=\"qy6ocx\" data-start=\"15315\" data-end=\"15355\">\n<p data-start=\"15317\" data-end=\"15355\">Is actuator mismatch the biggest risk?<\/p>\n<\/li>\n<li data-section-id=\"o1kb5o\" data-start=\"15356\" data-end=\"15388\">\n<p data-start=\"15358\" data-end=\"15388\">Is seat wear the biggest risk?<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1851tn4\" data-start=\"15390\" data-end=\"15431\"><span class=\"ez-toc-section\" id=\"Engineer-verified_selection_checklist\"><\/span>Engineer-verified selection checklist<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"15433\" data-end=\"15465\">Use this before sending inquiry:<\/p>\n<ul data-start=\"15467\" data-end=\"15728\">\n<li data-section-id=\"1thzew3\" data-start=\"15467\" data-end=\"15486\">\n<p data-start=\"15469\" data-end=\"15486\">required function<\/p>\n<\/li>\n<li data-section-id=\"1h5stgt\" data-start=\"15487\" data-end=\"15505\">\n<p data-start=\"15489\" data-end=\"15505\">L-port or T-port<\/p>\n<\/li>\n<li data-section-id=\"njohet\" data-start=\"15506\" data-end=\"15518\">\n<p data-start=\"15508\" data-end=\"15518\">valve size<\/p>\n<\/li>\n<li data-section-id=\"er4iy\" data-start=\"15519\" data-end=\"15536\">\n<p data-start=\"15521\" data-end=\"15536\">pressure rating<\/p>\n<\/li>\n<li data-section-id=\"11uaojd\" data-start=\"15537\" data-end=\"15560\">\n<p data-start=\"15539\" data-end=\"15560\">operating temperature<\/p>\n<\/li>\n<li data-section-id=\"rp65pw\" data-start=\"15561\" data-end=\"15573\">\n<p data-start=\"15563\" data-end=\"15573\">media type<\/p>\n<\/li>\n<li data-section-id=\"1fmj3n5\" data-start=\"15574\" data-end=\"15590\">\n<p data-start=\"15576\" data-end=\"15590\">end connection<\/p>\n<\/li>\n<li data-section-id=\"1t504x9\" data-start=\"15591\" data-end=\"15621\">\n<p data-start=\"15593\" data-end=\"15621\">manual or actuated operation<\/p>\n<\/li>\n<li data-section-id=\"1jdveex\" data-start=\"15622\" data-end=\"15660\">\n<p data-start=\"15624\" data-end=\"15660\">full port or reduced port preference<\/p>\n<\/li>\n<li data-section-id=\"crpeu7\" data-start=\"15661\" data-end=\"15688\">\n<p data-start=\"15663\" data-end=\"15688\">seat material requirement<\/p>\n<\/li>\n<li data-section-id=\"eqnjys\" data-start=\"15689\" data-end=\"15728\">\n<p data-start=\"15691\" data-end=\"15728\">any project or compliance requirement<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"15730\" data-end=\"15823\">If these details are clear, valve selection becomes faster, more accurate, and more reliable.<\/p>\n<hr data-start=\"15825\" data-end=\"15828\" \/>\n<h1 data-section-id=\"1fw8rgo\" data-start=\"15830\" data-end=\"15897\"><span class=\"ez-toc-section\" id=\"Common_3-Way_Ball_Valve_Selection_Mistakes_Engineer_Warnings\"><\/span>Common 3-Way Ball Valve Selection Mistakes &amp; Engineer Warnings<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"15899\" data-end=\"16019\">This section is often more useful than a generic \u201cadvantages\u201d list because many failures start from incorrect selection.<\/p>\n<hr data-start=\"16021\" data-end=\"16024\" \/>\n<h3 data-section-id=\"1f6diva\" data-start=\"16026\" data-end=\"16076\"><span class=\"ez-toc-section\" id=\"Mistake_1_Using_L-port_for_mixing_service\"><\/span>Mistake 1: Using L-port for mixing service<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"16077\" data-end=\"16097\"><strong data-start=\"16077\" data-end=\"16097\">Risk level: High<\/strong><\/p>\n<p data-start=\"16099\" data-end=\"16188\"><strong data-start=\"16099\" data-end=\"16115\">Consequence:<\/strong><br data-start=\"16115\" data-end=\"16118\" \/>Incorrect flow routing, failed mixing function, or unintended shutoff.<\/p>\n<p data-start=\"16190\" data-end=\"16290\"><strong data-start=\"16190\" data-end=\"16208\">Better choice:<\/strong><br data-start=\"16208\" data-end=\"16211\" \/>Use a T-port valve where true mixing or simultaneous communication is required.<\/p>\n<hr data-start=\"16292\" data-end=\"16295\" \/>\n<h3 data-section-id=\"gonn9n\" data-start=\"16297\" data-end=\"16362\"><span class=\"ez-toc-section\" id=\"Mistake_2_Ignoring_pressure_drop_in_reduced_port_designs\"><\/span>Mistake 2: Ignoring pressure drop in reduced port designs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"16363\" data-end=\"16385\"><strong data-start=\"16363\" data-end=\"16385\">Risk level: Medium<\/strong><\/p>\n<p data-start=\"16387\" data-end=\"16477\"><strong data-start=\"16387\" data-end=\"16403\">Consequence:<\/strong><br data-start=\"16403\" data-end=\"16406\" \/>Higher pressure loss, reduced downstream flow, lower system efficiency.<\/p>\n<p data-start=\"16479\" data-end=\"16551\"><strong data-start=\"16479\" data-end=\"16497\">Better choice:<\/strong><br data-start=\"16497\" data-end=\"16500\" \/>Use a full port design where pressure drop matters.<\/p>\n<hr data-start=\"16553\" data-end=\"16556\" \/>\n<h3 data-section-id=\"4uuz4v\" data-start=\"16558\" data-end=\"16636\"><span class=\"ez-toc-section\" id=\"Mistake_3_Using_standard_soft_seats_in_unsuitable_temperature_service\"><\/span>Mistake 3: Using standard soft seats in unsuitable temperature service<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"16637\" data-end=\"16657\"><strong data-start=\"16637\" data-end=\"16657\">Risk level: High<\/strong><\/p>\n<p data-start=\"16659\" data-end=\"16747\"><strong data-start=\"16659\" data-end=\"16675\">Consequence:<\/strong><br data-start=\"16675\" data-end=\"16678\" \/>Seat deformation, leakage, shortened valve life, or unstable shutoff.<\/p>\n<p data-start=\"16749\" data-end=\"16889\"><strong data-start=\"16749\" data-end=\"16767\">Better choice:<\/strong><br data-start=\"16767\" data-end=\"16770\" \/>Verify seat material against the actual temperature and media conditions before selecting a standard soft-seated valve.<\/p>\n<hr data-start=\"16891\" data-end=\"16894\" \/>\n<h3 data-section-id=\"50qvit\" data-start=\"16896\" data-end=\"16952\"><span class=\"ez-toc-section\" id=\"Mistake_4_Ignoring_actuator_torque_requirements\"><\/span>Mistake 4: Ignoring actuator torque requirements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"16953\" data-end=\"16973\"><strong data-start=\"16953\" data-end=\"16973\">Risk level: High<\/strong><\/p>\n<p data-start=\"16975\" data-end=\"17068\"><strong data-start=\"16975\" data-end=\"16991\">Consequence:<\/strong><br data-start=\"16991\" data-end=\"16994\" \/>Incomplete switching, actuator overload, seat damage, or position failure.<\/p>\n<p data-start=\"17070\" data-end=\"17170\"><strong data-start=\"17070\" data-end=\"17088\">Better choice:<\/strong><br data-start=\"17088\" data-end=\"17091\" \/>Check actuator torque against valve break torque and actual service conditions.<\/p>\n<hr data-start=\"17172\" data-end=\"17175\" \/>\n<h3 data-section-id=\"14u44yy\" data-start=\"17177\" data-end=\"17231\"><span class=\"ez-toc-section\" id=\"Mistake_5_Selecting_by_size_and_pressure_only\"><\/span>Mistake 5: Selecting by size and pressure only<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"17232\" data-end=\"17252\"><strong data-start=\"17232\" data-end=\"17252\">Risk level: High<\/strong><\/p>\n<p data-start=\"17254\" data-end=\"17360\"><strong data-start=\"17254\" data-end=\"17270\">Consequence:<\/strong><br data-start=\"17270\" data-end=\"17273\" \/>The valve may fit the line but still fail functionally because the port logic is wrong.<\/p>\n<p data-start=\"17362\" data-end=\"17443\"><strong data-start=\"17362\" data-end=\"17380\">Better choice:<\/strong><br data-start=\"17380\" data-end=\"17383\" \/>Confirm flow function first, then confirm pressure and size.<\/p>\n<hr data-start=\"17445\" data-end=\"17448\" \/>\n<h3 data-section-id=\"lxfx44\" data-start=\"17450\" data-end=\"17516\"><span class=\"ez-toc-section\" id=\"Mistake_6_Underestimating_cycle_life_in_automated_service\"><\/span>Mistake 6: Underestimating cycle life in automated service<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"17517\" data-end=\"17547\"><strong data-start=\"17517\" data-end=\"17547\">Risk level: Medium to High<\/strong><\/p>\n<p data-start=\"17549\" data-end=\"17651\"><strong data-start=\"17549\" data-end=\"17565\">Consequence:<\/strong><br data-start=\"17565\" data-end=\"17568\" \/>Faster seat wear and earlier maintenance if the valve cycles frequently under load.<\/p>\n<p data-start=\"17653\" data-end=\"17776\"><strong data-start=\"17653\" data-end=\"17671\">Better choice:<\/strong><br data-start=\"17671\" data-end=\"17674\" \/>For higher-cycle service, check seat design, material, and expected cycle duty before final selection.<\/p>\n<hr data-start=\"17778\" data-end=\"17781\" \/>\n<h3 data-section-id=\"ay7dxu\" data-start=\"17783\" data-end=\"17856\"><span class=\"ez-toc-section\" id=\"Mistake_7_Ignoring_anti-static_or_hazardous-service_requirements\"><\/span>Mistake 7: Ignoring anti-static or hazardous-service requirements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"17857\" data-end=\"17877\"><strong data-start=\"17857\" data-end=\"17877\">Risk level: High<\/strong><\/p>\n<p data-start=\"17879\" data-end=\"17975\"><strong data-start=\"17879\" data-end=\"17895\">Consequence:<\/strong><br data-start=\"17895\" data-end=\"17898\" \/>Safety and compliance issues in demanding oil, gas, or chemical environments.<\/p>\n<p data-start=\"17977\" data-end=\"18105\"><strong data-start=\"17977\" data-end=\"17995\">Better choice:<\/strong><br data-start=\"17995\" data-end=\"17998\" \/>Where required, specify anti-static, blowout-proof, or project-specific compliance features during inquiry.<\/p>\n<hr data-start=\"18107\" data-end=\"18110\" \/>\n<h1 data-section-id=\"1qobago\" data-start=\"18112\" data-end=\"18168\"><span class=\"ez-toc-section\" id=\"Proven_Industrial_Applications_of_3-Way_Ball_Valves\"><\/span>Proven Industrial Applications of 3-Way Ball Valves<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"18170\" data-end=\"18285\">3-way ball valves are used in many industrial systems, but correct performance always depends on proper flow logic.<\/p>\n<figure id=\"attachment_8096\" aria-describedby=\"caption-attachment-8096\" style=\"width: 1536px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8096 size-full\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-industrial-tank-application.png\" alt=\"three-way ball valve installed in industrial tank system for fluid distribution and mixing\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-industrial-tank-application.png 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-industrial-tank-application-768x512.png 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-industrial-tank-application-18x12.png 18w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/07\/three-way-ball-valve-industrial-tank-application-600x400.png 600w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption id=\"caption-attachment-8096\" class=\"wp-caption-text\">Three-way ball valve used in industrial tank systems to control and distribute fluid flow.<\/figcaption><\/figure>\n<h3 data-section-id=\"13dgv05\" data-start=\"18287\" data-end=\"18321\"><span class=\"ez-toc-section\" id=\"HVAC_bypass_and_blending_loops\"><\/span>HVAC bypass and blending loops<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"18322\" data-end=\"18438\">T-port valves are often used to mix or bypass flow in heating and cooling loops for more stable temperature control. For a broader system-level comparison, see our guide to <strong data-start=\"10867\" data-end=\"11017\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/exploring-the-differences-between-2-way-and-3-way-ball-valves-in-hvac-systems\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"10869\" data-end=\"11015\">2-way vs 3-way ball valves in HVAC systems<\/a><\/strong>.<\/p>\n<p data-start=\"18440\" data-end=\"18544\"><strong data-start=\"18440\" data-end=\"18466\">Typical configuration:<\/strong> T-port 3-way ball valve with electric actuator for temperature-based control.<\/p>\n<hr data-start=\"18546\" data-end=\"18549\" \/>\n<h3 data-section-id=\"z1q4mb\" data-start=\"18551\" data-end=\"18578\"><span class=\"ez-toc-section\" id=\"Tank_changeover_service\"><\/span>Tank changeover service<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"18579\" data-end=\"18691\">L-port valves are commonly used where one feed line must switch between two tanks, vessels, or process branches.<\/p>\n<p data-start=\"18693\" data-end=\"18779\"><strong data-start=\"18693\" data-end=\"18719\">Typical configuration:<\/strong> L-port 3-way ball valve with manual or pneumatic operation.<\/p>\n<hr data-start=\"18781\" data-end=\"18784\" \/>\n<h3 data-section-id=\"p1gypg\" data-start=\"18786\" data-end=\"18815\"><span class=\"ez-toc-section\" id=\"Chemical_processing_lines\"><\/span>Chemical processing lines<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"18816\" data-end=\"18930\">T-port valves are used where mixing, rerouting, or flexible multi-port communication is needed in process systems.<\/p>\n<p data-start=\"18932\" data-end=\"19038\"><strong data-start=\"18932\" data-end=\"18958\">Typical configuration:<\/strong> T-port 3-way ball valve in stainless steel with media-compatible seat material.<\/p>\n<hr data-start=\"19040\" data-end=\"19043\" \/>\n<h3 data-section-id=\"1e502a5\" data-start=\"19045\" data-end=\"19077\"><span class=\"ez-toc-section\" id=\"Water_treatment_distribution\"><\/span>Water treatment distribution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"19078\" data-end=\"19174\">3-way ball valves are used where diversion, bypass, or compact distribution control is required.<\/p>\n<p data-start=\"19176\" data-end=\"19284\"><strong data-start=\"19176\" data-end=\"19202\">Typical configuration:<\/strong> L-port or T-port valve depending on whether the service is switching or blending.<\/p>\n<hr data-start=\"19286\" data-end=\"19289\" \/>\n<h3 data-section-id=\"rc49ev\" data-start=\"19291\" data-end=\"19320\"><span class=\"ez-toc-section\" id=\"Automated_process_routing\"><\/span>Automated process routing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"19321\" data-end=\"19451\">Actuated 3-way ball valves are common where the system requires PLC integration, remote switching, or scheduled flow path changes.<\/p>\n<p data-start=\"19453\" data-end=\"19557\"><strong data-start=\"19453\" data-end=\"19479\">Typical configuration:<\/strong> pneumatic or electric actuated 3-way ball valve with torque-matched actuator.<\/p>\n<hr data-start=\"19559\" data-end=\"19562\" \/>\n<h1 data-section-id=\"3hiqll\" data-start=\"19564\" data-end=\"19609\"><span class=\"ez-toc-section\" id=\"NTGD_3-Way_Ball_Valve_Support_Highlights\"><\/span>NTGD 3-Way Ball Valve Support Highlights<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"19611\" data-end=\"19772\">When selecting an industrial 3-way ball valve, buyers often need more than a catalog. They need confirmation of flow logic, materials, torque, and configuration.<\/p>\n<p data-start=\"19774\" data-end=\"19791\">NTGD can support:<\/p>\n<ul data-start=\"19793\" data-end=\"20061\">\n<li data-section-id=\"17pqluj\" data-start=\"19793\" data-end=\"19822\">\n<p data-start=\"19795\" data-end=\"19822\">L-port and T-port selection<\/p>\n<\/li>\n<li data-section-id=\"3noroh\" data-start=\"19823\" data-end=\"19863\">\n<p data-start=\"19825\" data-end=\"19863\">body and seat material recommendations<\/p>\n<\/li>\n<li data-section-id=\"1rnprc5\" data-start=\"19864\" data-end=\"19912\">\n<p data-start=\"19866\" data-end=\"19912\">manual, pneumatic, and electric configurations<\/p>\n<\/li>\n<li data-section-id=\"oyi6sl\" data-start=\"19913\" data-end=\"19952\">\n<p data-start=\"19915\" data-end=\"19952\">pressure and temperature confirmation<\/p>\n<\/li>\n<li data-section-id=\"129midt\" data-start=\"19953\" data-end=\"19979\">\n<p data-start=\"19955\" data-end=\"19979\">end connection selection<\/p>\n<\/li>\n<li data-section-id=\"szigth\" data-start=\"19980\" data-end=\"20061\">\n<p data-start=\"19982\" data-end=\"20061\">application-based recommendation for compact, automated, or higher-duty service<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"20063\" data-end=\"20193\">Where required, support can also include drawing review, quotation guidance, and configuration confirmation before final purchase.<\/p>\n<hr data-start=\"20195\" data-end=\"20198\" \/>\n<h1 data-section-id=\"kgb87y\" data-start=\"20200\" data-end=\"20236\"><span class=\"ez-toc-section\" id=\"Advantages_of_3-Way_Ball_Valves\"><\/span>Advantages of 3-Way Ball Valves<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"20238\" data-end=\"20314\">When correctly selected, 3-way ball valves offer several practical benefits:<\/p>\n<ul data-start=\"20316\" data-end=\"20540\">\n<li data-section-id=\"13569iz\" data-start=\"20316\" data-end=\"20347\">\n<p data-start=\"20318\" data-end=\"20347\">compact multi-function design<\/p>\n<\/li>\n<li data-section-id=\"1cmiowx\" data-start=\"20348\" data-end=\"20390\">\n<p data-start=\"20350\" data-end=\"20390\">fewer fittings and fewer separate valves<\/p>\n<\/li>\n<li data-section-id=\"12y3h0g\" data-start=\"20391\" data-end=\"20422\">\n<p data-start=\"20393\" data-end=\"20422\">reduced potential leak points<\/p>\n<\/li>\n<li data-section-id=\"zux909\" data-start=\"20423\" data-end=\"20452\">\n<p data-start=\"20425\" data-end=\"20452\">quarter-turn fast operation<\/p>\n<\/li>\n<li data-section-id=\"1ighzks\" data-start=\"20453\" data-end=\"20482\">\n<p data-start=\"20455\" data-end=\"20482\">actuator-friendly operation<\/p>\n<\/li>\n<li data-section-id=\"ge2n5f\" data-start=\"20483\" data-end=\"20506\">\n<p data-start=\"20485\" data-end=\"20506\">flexible flow routing<\/p>\n<\/li>\n<li data-section-id=\"hvsxdx\" data-start=\"20507\" data-end=\"20540\">\n<p data-start=\"20509\" data-end=\"20540\">lower overall system complexity<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"20542\" data-end=\"20545\" \/>\n<h1 data-section-id=\"1ieak71\" data-start=\"20547\" data-end=\"20584\"><span class=\"ez-toc-section\" id=\"Limitations_of_3-Way_Ball_Valves\"><\/span>Limitations of 3-Way Ball Valves<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"20586\" data-end=\"20647\">They also have limitations that should be understood clearly:<\/p>\n<ul data-start=\"20649\" data-end=\"20994\">\n<li data-section-id=\"qs9olr\" data-start=\"20649\" data-end=\"20723\">\n<p data-start=\"20651\" data-end=\"20723\">wrong port pattern can make the valve unusable for the intended function<\/p>\n<\/li>\n<li data-section-id=\"4lac7z\" data-start=\"20724\" data-end=\"20780\">\n<p data-start=\"20726\" data-end=\"20780\">reduced port designs may create unwanted pressure drop<\/p>\n<\/li>\n<li data-section-id=\"lio4u\" data-start=\"20781\" data-end=\"20850\">\n<p data-start=\"20783\" data-end=\"20850\">torque requirements increase under higher pressure and larger sizes<\/p>\n<\/li>\n<li data-section-id=\"lzvqgv\" data-start=\"20851\" data-end=\"20930\">\n<p data-start=\"20853\" data-end=\"20930\">standard soft seats are not suitable for every temperature or media condition<\/p>\n<\/li>\n<li data-section-id=\"9p7ghu\" data-start=\"20931\" data-end=\"20994\">\n<p data-start=\"20933\" data-end=\"20994\">port communication must be verified carefully before purchase<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"20996\" data-end=\"21143\">The limitation is usually not the valve concept itself.<br data-start=\"21051\" data-end=\"21054\" \/>The limitation is usually a mismatch between <strong data-start=\"21099\" data-end=\"21113\">flow logic<\/strong> and <strong data-start=\"21118\" data-end=\"21142\">service requirements<\/strong>.<\/p>\n<hr data-start=\"21145\" data-end=\"21148\" \/>\n<h1 data-section-id=\"npbx8c\" data-start=\"21150\" data-end=\"21181\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h3 data-section-id=\"pimy3x\" data-start=\"21183\" data-end=\"21217\"><span class=\"ez-toc-section\" id=\"1_What_is_a_3-way_ball_valve\"><\/span>1. What is a 3-way ball valve?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"21218\" data-end=\"21328\">A 3-way ball valve is a quarter-turn valve with three ports used to divert, mix, split, or isolate fluid flow.<\/p>\n<h3 data-section-id=\"zc82kr\" data-start=\"21330\" data-end=\"21404\"><span class=\"ez-toc-section\" id=\"2_What_is_the_difference_between_L-port_and_T-port_3-way_ball_valves\"><\/span>2. What is the difference between L-port and T-port 3-way ball valves?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"21405\" data-end=\"21553\">L-port valves are mainly used for diverting or switching. T-port valves are mainly used for mixing, splitting, or flexible multi-port communication.<\/p>\n<h3 data-section-id=\"ee3rvh\" data-start=\"21555\" data-end=\"21607\"><span class=\"ez-toc-section\" id=\"3_Which_is_better_for_mixing_L-port_or_T-port\"><\/span>3. Which is better for mixing, L-port or T-port?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"21608\" data-end=\"21676\">T-port is generally the correct choice for true mixing applications.<\/p>\n<h3 data-section-id=\"dyjc3p\" data-start=\"21678\" data-end=\"21720\"><span class=\"ez-toc-section\" id=\"4_Which_is_better_for_diverting_flow\"><\/span>4. Which is better for diverting flow?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"21721\" data-end=\"21803\">L-port is usually preferred where one common stream must switch between two lines.<\/p>\n<h3 data-section-id=\"pyfo9x\" data-start=\"21805\" data-end=\"21847\"><span class=\"ez-toc-section\" id=\"5_Can_a_3-way_ball_valve_be_actuated\"><\/span>5. Can a 3-way ball valve be actuated?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"21848\" data-end=\"21948\">Yes. 3-way ball valves can be supplied with pneumatic or electric actuators for automated operation.<\/p>\n<h3 data-section-id=\"16nw5sj\" data-start=\"21950\" data-end=\"22030\"><span class=\"ez-toc-section\" id=\"6_What_is_the_difference_between_a_3-way_ball_valve_and_a_3-way_plug_valve\"><\/span>6. What is the difference between a 3-way ball valve and a 3-way plug valve?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"22031\" data-end=\"22258\">3-way ball valves usually offer lower operating torque and quarter-turn tight shutoff, while <strong data-start=\"9968\" data-end=\"10032\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/3-way-plug-valve\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"9970\" data-end=\"10030\">3-way plug valves<\/a><\/strong> may be preferred in some heavier or more specialized service conditions depending on media and sealing requirements.<\/p>\n<h3 data-section-id=\"16ctoyn\" data-start=\"22260\" data-end=\"22316\"><span class=\"ez-toc-section\" id=\"7_Can_a_3-way_ball_valve_be_used_for_steam_service\"><\/span>7. Can a 3-way ball valve be used for steam service?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"22317\" data-end=\"22433\">Yes, but seat and body materials must be selected according to the actual steam temperature and pressure conditions.<\/p>\n<h3 data-section-id=\"1pj7j2q\" data-start=\"22435\" data-end=\"22499\"><span class=\"ez-toc-section\" id=\"8_What_end_connections_are_available_for_3-way_ball_valves\"><\/span>8. What end connections are available for 3-way ball valves?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"22500\" data-end=\"22581\">Common options include threaded, flanged, socket weld, and butt weld connections.<\/p>\n<h3 data-section-id=\"1et6er1\" data-start=\"22583\" data-end=\"22636\"><span class=\"ez-toc-section\" id=\"9_How_do_I_install_a_3-way_ball_valve_correctly\"><\/span>9. How do I install a 3-way ball valve correctly?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"22637\" data-end=\"22808\">Confirm the port pattern, verify the intended flow path, align the valve correctly, and check that the operating position matches the required piping logic before startup.<\/p>\n<h3 data-section-id=\"1nii5fb\" data-start=\"22810\" data-end=\"22887\"><span class=\"ez-toc-section\" id=\"10_What_pressure_ratings_are_available_for_industrial_3-way_ball_valves\"><\/span>10. What pressure ratings are available for industrial 3-way ball valves?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"22888\" data-end=\"23068\">Available pressure rating depends on valve size, body design, and project requirements. General service and higher-duty configurations are both possible depending on specification.<\/p>\n<h3 data-section-id=\"128t7ah\" data-start=\"23070\" data-end=\"23118\"><span class=\"ez-toc-section\" id=\"11_How_do_I_choose_the_right_seat_material\"><\/span>11. How do I choose the right seat material?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"23119\" data-end=\"23227\">Seat material should be selected based on media, pressure, temperature, cycle duty, and shutoff requirement.<\/p>\n<h3 data-section-id=\"1bi9ke0\" data-start=\"23229\" data-end=\"23285\"><span class=\"ez-toc-section\" id=\"12_What_information_should_I_provide_for_quotation\"><\/span>12. What information should I provide for quotation?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"23286\" data-end=\"23430\">Provide the required function, L-port or T-port preference, valve size, pressure, temperature, media, end connection, and actuation requirement.<\/p>\n<p data-start=\"23286\" data-end=\"23430\"><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is a 3-way ball valve?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A 3-way ball valve is a quarter-turn valve with three ports used to divert, mix, split, or isolate fluid flow.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between L-port and T-port 3-way ball valves?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"L-port valves are mainly used for diverting or switching. T-port valves are mainly used for mixing, splitting, or flexible multi-port communication.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which is better for mixing, L-port or T-port?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"T-port is generally the correct choice for true mixing applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which is better for diverting flow?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"L-port is usually preferred where one common stream must switch between two lines.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can a 3-way ball valve be actuated?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. 3-way ball valves can be supplied with pneumatic or electric actuators for automated operation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between a 3-way ball valve and a 3-way plug valve?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"3-way ball valves usually offer lower operating torque and quarter-turn tight shutoff, while 3-way plug valves may be preferred in some heavier or more specialized service conditions depending on media and sealing requirements.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can a 3-way ball valve be used for steam service?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, but seat and body materials must be selected according to the actual steam temperature and pressure conditions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What end connections are available for 3-way ball valves?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Common options include threaded, flanged, socket weld, and butt weld connections.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I install a 3-way ball valve correctly?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Confirm the port pattern, verify the intended flow path, align the valve correctly, and check that the operating position matches the required piping logic before startup.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure ratings are available for industrial 3-way ball valves?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Available pressure rating depends on valve size, body design, and project requirements. General service and higher-duty configurations are both possible depending on specification.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right seat material?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Seat material should be selected based on media, pressure, temperature, cycle duty, and shutoff requirement.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What information should I provide for quotation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Provide the required function, L-port or T-port preference, valve size, pressure, temperature, media, end connection, and actuation requirement.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n<hr data-start=\"23432\" data-end=\"23435\" \/>\n<h1 data-section-id=\"2g342x\" data-start=\"23437\" data-end=\"23489\"><span class=\"ez-toc-section\" id=\"Need_Help_Selecting_the_Right_3-Way_Ball_Valve\"><\/span>Need Help Selecting the Right 3-Way Ball Valve?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"23491\" data-end=\"23581\">To recommend the correct 3-way ball valve for your project, we usually need the following:<\/p>\n<ul data-start=\"23583\" data-end=\"23876\">\n<li data-section-id=\"6jx8cg\" data-start=\"23583\" data-end=\"23643\">\n<p data-start=\"23585\" data-end=\"23643\">required function: diverting, mixing, splitting, or bypass<\/p>\n<\/li>\n<li data-section-id=\"ykvor6\" data-start=\"23644\" data-end=\"23674\">\n<p data-start=\"23646\" data-end=\"23674\">L-port or T-port requirement<\/p>\n<\/li>\n<li data-section-id=\"njohet\" data-start=\"23675\" data-end=\"23687\">\n<p data-start=\"23677\" data-end=\"23687\">valve size<\/p>\n<\/li>\n<li data-section-id=\"faz74c\" data-start=\"23688\" data-end=\"23706\">\n<p data-start=\"23690\" data-end=\"23706\">working pressure<\/p>\n<\/li>\n<li data-section-id=\"11uaojd\" data-start=\"23707\" data-end=\"23730\">\n<p data-start=\"23709\" data-end=\"23730\">operating temperature<\/p>\n<\/li>\n<li data-section-id=\"rp65pw\" data-start=\"23731\" data-end=\"23743\">\n<p data-start=\"23733\" data-end=\"23743\">media type<\/p>\n<\/li>\n<li data-section-id=\"crpeu7\" data-start=\"23744\" data-end=\"23771\">\n<p data-start=\"23746\" data-end=\"23771\">seat material requirement<\/p>\n<\/li>\n<li data-section-id=\"1vq7rop\" data-start=\"23772\" data-end=\"23793\">\n<p data-start=\"23774\" data-end=\"23793\">end connection type<\/p>\n<\/li>\n<li data-section-id=\"tcblad\" data-start=\"23794\" data-end=\"23836\">\n<p data-start=\"23796\" data-end=\"23836\">manual, pneumatic, or electric operation<\/p>\n<\/li>\n<li data-section-id=\"eqnjys\" data-start=\"23837\" data-end=\"23876\">\n<p data-start=\"23839\" data-end=\"23876\">any project or compliance requirement<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"23878\" data-end=\"24012\">NTGD can review your application and help confirm the right flow pattern, material combination, and operating method before quotation.<\/p>\n<p data-start=\"23878\" data-end=\"24012\">If you are comparing broader ball valve constructions beyond 3-way flow logic, you may also review our <strong data-start=\"11447\" data-end=\"11552\"><a class=\"decorated-link\" href=\"https:\/\/ntgdvalve.com\/ball-valves-types-and-selection-guide\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"11449\" data-end=\"11550\">ball valves types and selection guide<\/a><\/strong>.<\/p>\n<h3 data-section-id=\"1qhuum1\" data-start=\"24014\" data-end=\"24038\"><span class=\"ez-toc-section\" id=\"Request_support_for\"><\/span>Request support for:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"24039\" data-end=\"24203\">\n<li data-section-id=\"1g8frg5\" data-start=\"24039\" data-end=\"24067\">\n<p data-start=\"24041\" data-end=\"24067\">L-port vs T-port selection<\/p>\n<\/li>\n<li data-section-id=\"6nzr86\" data-start=\"24068\" data-end=\"24095\">\n<p data-start=\"24070\" data-end=\"24095\">port pattern confirmation<\/p>\n<\/li>\n<li data-section-id=\"15h99m\" data-start=\"24096\" data-end=\"24121\">\n<p data-start=\"24098\" data-end=\"24121\">material recommendation<\/p>\n<\/li>\n<li data-section-id=\"an2ckj\" data-start=\"24122\" data-end=\"24142\">\n<p data-start=\"24124\" data-end=\"24142\">actuator selection<\/p>\n<\/li>\n<li data-section-id=\"10wmevk\" data-start=\"24143\" data-end=\"24176\">\n<p data-start=\"24145\" data-end=\"24176\">pressure and temperature review<\/p>\n<\/li>\n<li data-section-id=\"gyq9km\" data-start=\"24177\" data-end=\"24203\">\n<p data-start=\"24179\" data-end=\"24203\">custom quotation support<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"24205\" data-end=\"24280\"><a href=\"https:\/\/ntgdvalve.com\/contact-us\/\"><strong data-start=\"24205\" data-end=\"24280\">Send your service conditions for a custom recommendation and quotation.<\/strong><\/a><\/p>\n<hr data-start=\"24282\" data-end=\"24285\" \/>\n<h2 data-section-id=\"zpynyy\" data-start=\"24321\" data-end=\"24372\"><span class=\"ez-toc-section\" id=\"Request_a_Quote_for_Industrial_3-Way_Ball_Valves\"><\/span>Request a Quote for Industrial 3-Way Ball Valves<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"24374\" data-end=\"24493\">Looking for the right 3-way ball valve for your project?<br data-start=\"24430\" data-end=\"24433\" \/>Send us your application details and required flow function.<\/p>\n<p data-start=\"24495\" data-end=\"24526\"><strong data-start=\"24495\" data-end=\"24526\">NTGD can help you evaluate:<\/strong><\/p>\n<ul data-start=\"24527\" data-end=\"24701\">\n<li data-section-id=\"4gt4lc\" data-start=\"24527\" data-end=\"24551\">\n<p data-start=\"24529\" data-end=\"24551\">the right port pattern<\/p>\n<\/li>\n<li data-section-id=\"gie4ob\" data-start=\"24552\" data-end=\"24584\">\n<p data-start=\"24554\" data-end=\"24584\">body and seat material options<\/p>\n<\/li>\n<li data-section-id=\"be3sj4\" data-start=\"24585\" data-end=\"24619\">\n<p data-start=\"24587\" data-end=\"24619\">full port or reduced port design<\/p>\n<\/li>\n<li data-section-id=\"s3hoa0\" data-start=\"24620\" data-end=\"24654\">\n<p data-start=\"24622\" data-end=\"24654\">manual or actuated configuration<\/p>\n<\/li>\n<li data-section-id=\"awvtd2\" data-start=\"24655\" data-end=\"24701\">\n<p data-start=\"24657\" data-end=\"24701\">compact, automated, or higher-duty solutions<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"24703\" data-end=\"24757\"><a href=\"https:\/\/ntgdvalve.com\/contact-us\/\"><strong data-start=\"24703\" data-end=\"24757\">Request a Quote or Technical Recommendation Today.<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u203b <strong data-start=\"3\" data-end=\"26\" data-is-only-node=\"\">Mehrere Flusspfade<\/strong>: Leitet den Fluss in drei Richtungen.<br \/>\n\u203b <strong data-start=\"67\" data-end=\"85\" data-is-only-node=\"\">Kompaktes Design<\/strong>: Platzsparend und einfach zu installieren.<br \/>\n\u203b <strong data-start=\"129\" data-end=\"154\" data-is-only-node=\"\">Vielseitige Anwendung<\/strong>: Geeignet f\u00fcr verschiedene Fl\u00fcssigkeitskontrollsysteme.<br \/>\n\u203b <strong data-start=\"205\" data-end=\"224\" data-is-only-node=\"\">Schnelle Bedienung<\/strong>: Schnelles \u00d6ffnen und Schlie\u00dfen.<br \/>\n\u203b <strong data-start=\"265\" data-end=\"284\" data-is-only-node=\"\">Auslaufsichere Dichtung<\/strong>: Sorgt f\u00fcr eine dichte Versiegelung, um Lecks zu vermeiden.<br \/>\n\u203b <strong data-start=\"331\" data-end=\"355\" data-is-only-node=\"\">Langlebige Konstruktion<\/strong>: Widerstandsf\u00e4hig gegen Korrosion und Verschlei\u00df.<\/p>\n<div id=\"gtx-trans\" style=\"position: absolute; left: 30px; top: 192.875px;\">\n<div class=\"gtx-trans-icon\"><\/div>\n<\/div>","protected":false},"featured_media":6177,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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