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Pressure reducing valve
hydraulic control Valve
hydraulic control valve is used inside the hoist control valve opening parts to adjust the flow of media will be media pressure has eased, at the same time with the role of back pressure regulating valve open and close the opening piece, so that the pressure valve to keep the back seat within a certain range, in the inlet pressure to changing circumstances, to keep the outlet pressure within the limits set to protect the machinery behind it.
Pneumatic control valve gas valve is a necessary accessory, the main role is to source gas pressure of decompression and stability to a fixed value, in order to facilitate control valve to obtain a stable source of power for air conditioning control.
According to structure can be divided into diaphragm valve, spring film type, piston type, lever type and corrugated tube; by seat number could be man-made single-seat type and seat type; according to the location of valve flap can be divided into different positive role of the type and reaction type
