... ) Precess: casting and precision maching 3) Color: red Casting Pneumatic Pressure Control Valve Details:1) This product is among our casting parts ... in water pump as a part of presure reducing valve.4) Material for this part is WCC and WCB.5) Other ... : ISO9001-2000, ISO9001-2008 Quality Assurance System, the USA UL.4. Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and ...