Introduction to Valves

Valves are mechanical devices that controls the flow and pressure within a system or process. They are essential components of a piping system that conveys liquids, gases, vapors, slurries etc..

Different types of valves are available: gate, globe, plug, ball, butterfly, check, diaphragm, pinch, pressure relief, control valves etc. Each of these types has a number of models, each with different features and functional capabilities. Some valves are self-operated while others manually or with an actuator or pneumatic or hydraulic is operated.

Block and Bleed

Process Safety

Pressure Relief Valve

Rupture Disks

Control Valve

Valve Materials

ASTM Casting Materials

Valve Leakage Testing Standards


Valve Interlock

Valve Interlock System

Face to Face dimensions Flanged Valves

Pressure Class 150 - 2500

Face to Face dimensions Water Check Valves



Dual-Plate Lug

Dual-Plate Double-flanged

Car Seal - CSO/CSC

What is a Valve Car Seal?


Valve Whisperer

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