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Pneumatic Actuator Diaphragm

1,Product Description

The pneumatic diaphragm actuator is designed by one-stroke. the one stroke pneumatic piston actuator is mainly installed on the surface safety valve, used as the control mechanism of the main valve. The design is simple, reliable, easy to disassembly without the use of special tools and easy maintenance.

2, Composition and Structure
It is mainly composed  of the cylinder, diaphragm, upper and lower cylinder cover, springs, seals and pressure relief devices and so on.

3, Working Principle
The working principle of diaphragm pneumatic actuator:
the pressure compresses the diaphragm and spring do
wnward to drive the open or close of the gate.when the pressure disappears ,the spring automatically reset back to the normal position.

 

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