Pneumatic Reciprocating Diaphragm Valve
Introduction:
Pneumatic reciprocating diaphragm valve is used as a diaphragm opening and closing parts to close the flow channel, cut off the fluid, and the valve body cavity and the cover cavity separated the globe valve.
Diaphragm commonly used rubber, plastic and other elastic, corrosion resistant, non-permeable materials. The valve body is made of plastic, fiberglass, ceramic or metal lining material. Simple structure, good sealing and anti-corrosion performance, low fluid resistance. Used for low pressure, low temperature, corrosive and containing suspended materials media. According to the structural form, there are ridge type, cut-off type, gate type and so on. According to the driving mode of manual, pneumatic, electric.
Features:
Diaphragm valve has simple structure, small fluid resistance, flow capacity is larger than other types of valves with the same specifications; No leakage, can be used for the adjustment of high viscosity and suspended particles medium. The diaphragm isolates the medium from the stem upper chamber, so there is no packing medium will not leak. However, due to the limitations of diaphragm and lining materials, the pressure resistance and temperature resistance is poor, generally only suitable for 1.6MPa nominal pressure and 150℃ below.
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