{"id":10619,"date":"2026-07-07T03:07:04","date_gmt":"2026-07-07T03:07:04","guid":{"rendered":"https:\/\/ntgdvalve.com\/?p=10619"},"modified":"2026-07-07T03:36:42","modified_gmt":"2026-07-07T03:36:42","slug":"butterfly-valve-torque","status":"publish","type":"post","link":"https:\/\/ntgdvalve.com\/pt\/butterfly-valve-torque\/","title":{"rendered":"Torque da v\u00e1lvula borboleta: c\u00e1lculo, dimensionamento do atuador e fatores de servi\u00e7o"},"content":{"rendered":"

Author Name:<\/strong> Bruce Zheng<\/p>\n

Author Role:<\/strong> Co-Founder and Valve Engineer at NTGD Valve<\/p>\n

Author Bio:<\/strong> Bruce Zheng is Co-Founder and Valve Engineer at NTGD Valve, focusing on industrial valve selection, application, and technical content for global B2B buyers.<\/p>\n

Last Updated:<\/strong> July 6, 2026<\/p>\n

Butterfly valve torque is one of the key values used when selecting a manual operator, gearbox, pneumatic actuator, electric actuator, or automated valve package. It tells the engineer how much turning force is needed to start moving the disc, keep it moving, and seat or unseat the valve under the specified service conditions.<\/p>\n

A butterfly valve torque value is not a fixed number. The required torque changes with valve size, differential pressure, seat material, disc design, media condition, temperature, operating frequency, and how long the valve has remained in one position. A torque chart or calculation can support preliminary actuator sizing, but the final actuator selection should be based on the valve design, manufacturer data, and the actual operating conditions.<\/p>\n

For engineers and buyers, the purpose of reviewing butterfly valve torque is not only to find a number. It is to choose the correct torque basis, avoid actuator under-sizing or unnecessary over-sizing, and prepare the service data that a valve supplier needs before confirming the actuator package.<\/p>\n

This guide explains how butterfly valve torque is defined, which torque types matter, how torque is estimated, how to read a butterfly valve torque chart, and what data should be included in an RFQ before actuator sizing is confirmed.<\/p>\n

\n
\n

Table of Contents<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n