Y42X directly effect the spring diaphragm pressure reducing valve is mainly composed of regulating spring, diaphragm, piston, valve seat, disc and other parts. Using the diaphragm sensor downstream pressure directly driven disc, spring diaphragm pressure reducing valve control valve disc complete relief valve opening and stable function. In urban construction, high-rise buildings in cold and hot water supply system, can replace conventional partition conduit, saving equipment. Can also be in usually hot and cold water pipe network, decompression and stable effect. Applicable to the working temperature of 0 ~ 90 c water, air and non corrosive liquid pipeline. In hot and cold water supply and fire fighting water supply system of high-rise buildings, can replace conventional partition conduit, simplify and saving system equipment, reduce the project cost, USES the German advanced manufacturing technology standards. Regulating smooth, stable movement, is made
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