Pressure relief valves are in place to help maintain and control pressure in fluid systems. A pre-determined pressure level is set, and the valve effectively relieves fluid whose pressure rises above this level through an additional passageway.

There are three basic components in a typical control valve: the valve body, the actuator, and additional accessories. The valve body refers to the basic pressure valve, the functional valve itself.

High pressure restore valve: one type of valve structure, due to streamline internal contour and minimum fluid flow, it will disperse relatively few fluid energy.

The basic function of the flow control valve is to reduce the volume of oil supplied in different places in a hydraulic circuit.

The most common linear stem-motion control valve is the globe valve. The name comes from the globular shaped cavities around the port. In general, a port is any fluid passageway, but often the reference is to the passage that is blocked off by the closure member when the valve is closed.

A pressure regulator is responsible for preventing pressure fluctuation by controlling pressure as it is coursed through an actuator or another part of a pneumatic system.

Our country pneumatic control valve manufacturing industry started late and relevant factories and department self-designed and produced direct single seat regulator, two seat regulator, 3-way regulating valve, high pressure regulating valves, butterfly valves, long trip actuators and valve position

A double seated control valve have very poor shut off capability. The guiding, seat material, actuator thrust, pressure drop, and the type of fluid can all play a part in how well a particular control valve shuts off. Seat Leakage Classifications There are actually six different seat leakage classif