Product Feature Sensitive and precise pressure control Optional check feature Quickly open valve for maintaincing pressure in pipeline Slow-close design to prevent fluid shock Excellent, reliable sealing performance Built-in filter device to prevent the catheter system plug Material Specification Body / Bonnet: Ductile Iron / Stainless Steel Stem: stainless steel Piping: copper / stainless steel / rubber hose Diaphragm: NBR nitrile rubber Fasteners and springs: stainless steel Working Pressure Range 175PSI / 235PSI / 350PSI 10Bar / 16Bar / 25Bar Flange Standard ANSI / BSEN / ISO / DIN Temperature/ Medium 0 ℃ ~100 ℃ normal temperature water |