Electro Pneumatic valve Positioner is used to control the valve stem position from open to close position or vice versa.…
Classification of Control Valves : Globe Valve, Gate Valve, Butterfly Valve, Check Valve, Ball Valve, Disk Valve, Diaphragm Valve, Linear…
Check valve is used to stop back flow in a piping system. This is also called Non return Valve (NRV).…
A needle valve is a type of valve having a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally only…
A shutdown valve (also referred to as SDV or Emergency Shutdown Valve, ESV, ESD, or ESDV) is an actuated valve…
Operators require indication of the position of certain valves to permit knowledgeable operation of the plant. For such valves, remote…
Plant safety considerations dictate valve speeds for certain safety-related valves. Where a system must be very quickly isolated or opened,…
Solenoid actuated valves provide for automatic open-close valve positioning as illustrated in Figure. Most solenoid actuated valves also have a…
Pneumatic actuators as illustrated in Figure, provide for automatic or semiautomatic valve operation. These actuators translate an air signal into…
Electric motors permit manual, semi-automatic, and automatic operation of the valve. Motors are used mostly for open-close functions, although they…
