General
Being the newly designed and manufactured products, ZJHC Series pneumatic diaphragm single seated shut off valves feature an soft sealing or metal sealing structure between seat and trim. This type valves are equipped with pneumatic diaphragm-spring
actuator. After receiving the control signal, the valve will be shut-off or opened quickly, so as to control the pressure, temperature, level and flow of the process. This kind of valves are also being widely applied in automatic controlling systems of chemical, petroleum, power station, textile and metallurgical industries and so on.

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