In the production process media pressure, flow and other parameters need to install the adjustment mechanism to adjust these parameters to meet the technical requirements. Operation and adjustment, by the flow between the valve body and the valve body and the valve seat, so as to achieve the purpose of adjusting the parameters. Such valves as a driving medium itself as a self-driven control valve, regulating valve, such as power to trust control valve provided, power supply, drives the operation pilot
valves(referred to as electricity, compressed air and liquid into power) called his drive control valve, electric control valve, pneumatic control valves, hydraulic control valves.air cylinder
manufacturers
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