Pneumatic diaphragm double seat control valve
The pneumatic diaphragm control valve is the actuator in the pneumatic unit combination instrument, and is one of the important links in the automatic adjustment system of the production process. Its function is to accept the control signal pressure from the pneumatic regulator (or the electric regulator output through the electro pneumatic conversion), change the opening of the valve, change the flow of the medium, and adjust the parameters of the flow, pressure, temperature and liquid level, so that the production process can run normally according to the predetermined requirements and realize the production process automation.
he pneumatic diaphragm control valve consists of two parts: pneumatic actuator and control valve. The actuator is the actuator of the valve, which is driven by compressed air and output thrust; the regulating valve is the regulating part of the actuator, which directly contacts with the medium and regulates the flow of the medium.
BENEFITS
1.All kinds of liquids, gases and vapors can be regulated within the range of nominal pressure and temperature.
2.The nominal diameter DN of the valve can change the valve core and the diameter of the valve seat to get four kinds of circulation capacity. The leakage of the valve is small when the valve is closed. Air opening or air closing can be achieved by means of the actuator.
SPECIFICATION
| Acting Mode |
Valve Body |
PN |
Body Material |
Seat Material |
Medium Material |
Flow Characteristics |
Signal Pressure |
| Air Close |
Stright Type |
10.0 |
WC6 |
F11 |
-60~595 |
Equal Percentage |
0.6~1.0kgf/cm2 |
APPLICATION
it is widely used in the automatic regulation and remote control of industrial production process, such as chemical, petroleum, metallurgy, electric power, light textile and so on.
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