Author name: Bruce Tseng

Applications of forged steel gate valves  Forged steel gate valves are used in different industries for various applications, such as: […]

Author Name: Bruce Zheng Author Role: Co-Founder and Valve Engineer at NTGD Valve Author Bio: Bruce Zheng is Co-Founder and

What is a Mining Valve? A mining valve is crucial for transporting various harsh materials at different temperatures and pressures

When metallic valves are exposed to certain chemicals and substances, they can rust, erode, and ultimately fail. In selecting valves

In the realm of piping system design, selection, and industrial safety, comprehending the distinctions between Double Block and Bleed (DBB)

Compare metal-seated and soft-seated ball valves through shutoff duty, media cleanliness, temperature, wear, torque, and lifecycle burden. This guide helps engineers and B2B buyers choose the seat direction that fits real service conditions.

Control valves typically consist of three main parts: the valve body, the actuator, and accessories. The medium flows into the

What is a high-pressure globe valve?  A high-pressure globe valve is a valve that is specially designed for use in

How does a high-pressure globe valve work?  A high-pressure globe valve operates using a manual handwheel or an actuator. The

An industrial titanium valve is selected for corrosive-service piping when valve material, valve type, media, pressure, temperature, seat material, and documentation requirements must be reviewed together.

What is a duplex valve?  A duplex valve is a valve that is made of the duplex steel. Duplex steel

NTGD Valve is now featured on Metoree. Metoree is a product and manufacturer information comparison site for researchers and engineers that

Reviewed by: NTGD Valve Engineering TeamPractical focus: industrial shut-off selection, slurry service, plug valve and ball valve application reviewStandards referenced:

A technical guide to flat gate valve structure, sealing logic, flow guide hole selection, application fit, standards, materials, and electric actuation. Use it to compare flat gate, flat plate gate, and slab gate valve terminology before selecting a configuration.

Compare 3-piece and 2-piece ball valves by body construction, maintenance access, downtime exposure, lifecycle cost, and application fit. Use this guide to decide which valve body style better matches your service conditions.

Valves play a critical role in various industries, and understanding the differences between cast steel valves and forged steel valves

How does a forged steel gate valve work?  A forged steel gate valve operates by converting rotary motion from the

What is a forged steel gate valve?  A forged steel gate valve is a gate valve that is made through

    Figure: Through-conduit high-pressure gate valve   Figure: High-pressure wedge gate valve.   Figure: Electrically actuated high-pressure gate valve.

What is a high-pressure gate valve?  A high-pressure gate valve is designed for use in high-pressure applications. This valve is

Flange globe valves are globe valves designed with flanges. The flanges connect the valve to the pipe using bolts and

Types of flange globe valves  T-pattern flange globe valve  This valve is also known as a standard pattern valve. The

What is a flange globe valve? A flange globe valve is a type of valve that uses linear motion to

This guide explains the main types of wedge gate valves, including solid wedge, flexible wedge, and split or double-disc wedge designs. It also shows how stem type, actuation, temperature, media, and RFQ data affect selection.

A technical guide explaining what a wedge gate valve is, how the wedge structure works, the main parts, common wedge designs, limitations, applications and RFQ review points.

A hydraulic pressure reducing valve controls lower downstream pressure in a hydraulic branch circuit. This guide explains its working principle, types, applications, selection checks, troubleshooting notes and RFQ data.

An adjusting pressure reducing valve reduces and controls downstream pressure through an adjustable screw, spring, diaphragm or pilot system. This guide explains structure, working principle, direct vs pilot-operated behavior, pressure setting, troubleshooting and product review points.

By Bruce Tseng, Valve Engineer at NTGD ValveTechnically reviewed by NTGD Engineering TeamLast updated: March 2026 A pressure reducing valve

A practical wafer butterfly valve guide covering wafer body connection, components, working principle, materials, limitations, installation notes, RFQ checks and common troubleshooting points for B2B valve selection.

What is a manual butterfly valve?  This is a butterfly valve that is operated using a handwheel or hand lever.

What is an electric actuated butterfly valve?  This is a butterfly valve that is operated using an electric actuator. It

A technical selection guide for stainless steel butterfly valves, covering stainless grades, wetted parts, seat materials, connection options, application boundaries, and RFQ data.

A technical guide to flanged butterfly valves, including flange connection design, components, working principle, RFQ checks, applications, limitations, and common connection problems.

What is a lug butterfly valve?  This is a valve designed with threaded lugs outside the body. These threaded lugs

A technical guide to gear operated butterfly valves, explaining how the gearbox works, when gear operation is useful, how it compares with lever operation, and what information buyers should prepare before selection.

What is a double-flanged butterfly valve? This is a butterfly valve designed with two flanged ends on the inlet and

This engineering guide explains how motorized butterfly valves work, how valve and actuator choices affect performance, and what data to confirm before selection. It also covers configurations, application limits, troubleshooting, and RFQ preparation.

A gas plug valve is used for quarter-turn isolation in industrial gas, natural gas and LP gas service. This guide explains working principle, lubricated design, service limits, RFQ data and final selection checks.

What is an eccentric plug valve?  This is a type of plug valve designed with a half plug. This type

What is a small check valve?  As the name suggests, a small check valve is a small sized valve used

What is a dual plate wafer check valve?  A dual plate check valve is a type of valve designed with

A non return flap valve is an automatic check valve designed to allow flow in one direction and prevent reverse

What is wafer type NRV?  Wafer type NRV means wafer type non-return valve. This is a type of valve used

What is a flanged check valve?  This is a check valve designed with flanges at the end of the ports.

If you are selecting a check valve for a pump discharge line, circulating water system, or other industrial piping sensitive

What is a stainless steel check valve?  A stainless steel check valve is a valve made of stainless steel material

This technical guide explains how nozzle check valves work, why spring-assisted axial closure matters, and what engineers should verify before selection.

What is a butterfly check valve?  A butterfly check valve is a type of valve that is used to prevent

What is a single check valve?  This is a check valve designed with a thin plate at its middle section.

What is a wafer-type check valve?  Wafer type check valves are valves that are used to prevent fluid from reversing

60-Second Selection Summary (Read This First) A spring-loaded check valve is a short-stroke, spring-assisted non-return valve designed to prevent reverse

A silent check valve is a spring-assisted check valve used to prevent reverse flow while helping reduce slam, vibration, surge and water hammer in suitable piping systems. This guide explains how it works, common types, applications, installation boundaries, RFQ data and troubleshooting checks.

This engineering guide explains how an industrial flapper check valve opens, stabilizes, closes, and seals. It also covers construction, application fit, installation, troubleshooting, and RFQ data.

What is a stop check valve? Stop-check valves are valves used as either shut-off valves or as check valves. This

What is a spring check valve?  A spring check valve is a type of check valve used to prevent fluid

By Bruce Tseng | Reviewed by NTGD Valve Engineering TeamLast updated: March 2026 Quick Answer NRV valve full form is

What is a double check valve? A double check valve is a type of valve that is used to prevent

A practical industrial guide to non-return valves, covering working principle, flow direction diagrams, main types, application mapping, troubleshooting, and RFQ-ready selection checks.

Cryogenic globe valves are used in shut-off and throttling service where sealing stability, packing protection, and low-temperature reliability matter far

A technical guide to Y pattern / Y-type globe valves, covering 45° body design, flow direction verification, lower pressure drop, application fit, limitations, and RFQ checks for industrial buyers.

A steam globe valve is a critical shut-off and throttling valve designed for industrial steam service. It is widely used

What is a resilient wedge gate valve? A resilient wedge gate valve is a type of valve that has a

Understand how double-disc constructions differ in seating, release, torque, and low-ΔP behavior. Use the application-fit, troubleshooting, and RFQ checks to verify a proposed valve.

What is a through conduit gate valve?  Through conduit gate valve is a type of gate valve which is designed

What is a parallel slide gate valve?  A parallel slide gate valve is a type of gate valve which uses

What is a knife edge gate valve?  A knife edge gate valve is a type of gate valve which is

A product-support guide to ductile iron gate valves, covering DI meaning, working principle, main parts, resilient wedge configurations, waterworks applications, dimensions, and RFQ specification checks.

Last Updated: March 2026 Reviewed by: NTGD Valve Engineering Team Expertise: Industrial Gate Valves, Fire Protection Systems, Shut-off Valve Engineering

A technical guide to ceramic ball valve construction, lined internal parts, severe-service applications, selection boundaries, RFQ data and troubleshooting for abrasive or corrosive media.

A technical guide to jacketed ball valve selection, covering full vs partial jacket designs, steam or hot oil jacket media, viscous service risks, troubleshooting and RFQ data.

What is a high-temperature ball valve?  High-temperature ball valves are valves that can work at very high temperatures above 400

 What is a rising stem ball valve?  The rising stem ball valve is a type of ball valve with a

An API 6D ball valve is a pipeline-service shutoff valve specified when testing records, material traceability, documentation and RFQ verification matter. This guide explains types, bore options, design features, inspection documents and selection limits.

What is a V port ball valve?  A V port ball valve is a type of ball valve with a

A socket weld ball valve is a quarter-turn ball valve with permanent socket weld pipe ends. This guide explains socket weld end connections, dimensions, ratings, materials, maintenance limits and RFQ checks for industrial service.

 What is a lockable ball valve?  A lockable ball valve is a type of ball valve with a lock mechanism.

This guide explains how a ball valve with drain port communicates with the pipeline or body cavity, how to isolate and drain safely, and what buyers should confirm before specifying the valve.

A practical guide to 3 piece ball valve body construction, key parts, working principle, serviceability, RFQ checks, and application fit for industrial piping.

A technical guide to high pressure ball valve design, working principle, key components, pressure-temperature review, actuation, applications, troubleshooting and RFQ selection data.

What is a gas ball valve? The gas ball valve is a type of ball valve that is meant for

 What is a motorized ball valve?  A motorized ball valve is a type of ball valve that uses electricity to

What is a three-way valve?  A three-way valve is a valve that has three ports. These valves are commonly used

Butterfly valves are commonly used in many industries, such as petroleum, chemicals, metallurgy, power and water industries, as it is