1-12 of 148 results

Ball Valve Types, Seats and Standards: A Specification Guide

Sep 23, 2026
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TL;DR A ball valve seals by rotating a bored sphere a quarter turn against two seats. Specify it by more than size and class: floating or trunnion support, full, reduced or V-port bore, body construction,...

Gate Valve vs Ball Valve: Key Differences and Which Is Better? [2026 Ultimate Guide]

Sep 17, 2026
Hits: 45

On a P&ID, a gate valve and a ball valve may both appear as simple isolation points. In service, however, they behave differently. Ball valves are often well suited to fast, repeatable on/off operation...

Control Valve Selection: The 7 Numbers That Decide It

Sep 14, 2026
Hits: 55

Abstract A control valve is not chosen from a catalog. It is computed from the duty. Seven numbers on the line list fix every downstream decision: the body style, the flow characteristic, the required...

Steam Pressure Reducing Valve: Working Principle, Types, Sizing and Installation [2026 Ultimate Guide]

Sep 06, 2026
Hits: 75

A steam PRV should be evaluated as part of a complete station, including steam conditioning, pressure indication and downstream overpressure protection. A steam pressure reducing valve lowers a variable...

Plug Valve: Types, Working Principle, Parts, Applications [2026 Complete Guide]

Aug 24, 2026
Hits: 100

A plug valve is a quarter-turn rotary valve used to start, stop or redirect flow in a pipeline. Inside the valve body, a cylindrical or tapered plug has one or more ports through it. When the port lines...

Pneumatic Control Valve: Types, Diagram, Function, Working Principle

Aug 10, 2026
Hits: 290

Pneumatic Control Valve: Types, Diagram, Function, Working Principle [With PDF] A pneumatic control valve is an automatic process valve that uses compressed air to move an actuator and regulate...

What is a Valve Positioner, and How Does It Work

May 29, 2026
Hits: 80

A valve positioner is a device equipped on the pneumatic actuator that to increase or decrease the inlet air pressure to move the valve towards to the correct position. When there is no positioner, the...

Advantages of 321 vs 316 Stainless Steel

Sep 24, 2025
Hits: 237

When it comes to choosing stainless steel grade, it is very crucial to understand the differences between similar metals. The two most popular types are 321 vs 316 stainless steel. So, what makes them...

Stainless Steel Comparisons 321 347 321H

Sep 23, 2025
Hits: 98

Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion...

Stainless Steel Grade 321 (UNS S32100)

Sep 23, 2025
Hits: 110

Grade 321 Stainless Steel Stainless steel Grade 321 is stabilized austenitic stainless steel. It is stabilized with added titanium with the presence of chromium and nickel in the composition. Titanium...

Differences Between V-port Ball Valve and Standard Ball Valve?

Jun 25, 2025
Hits: 108

Ball valve is one of the most common types of valves that are applied in industrial and residential piping systems to control the flow of liquids and gases. Ball valves are classified into standard...

Difference Between V-port Ball Control Valves and Globe Control Valves

Jul 19, 2023
Hits: 193

In the automation, it will use a v-port ball type control valve or globe type control valve to adjust the medium pressure, temperature, or flow rate, but each type control valve has their differences...

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