... , KTW, NSF, FDA, ACS. Medium: Water/Oil /GasTemp: -41-220°CDesign Standards: CJ/T ... the pilot. 1 Main valve 2Needle valve 3Pressure relief4 Pilot 5Ball valve 6Strainer 7 Pressure Gauge A ... Bronze Trim: Disc Guide,Seat: Stainless steel, Bronze Seal :NBR, EPDM, HNBR Diaphragm: Nylon Reinforced NBR ... Nylon Reinforced EPDM Rubber, Nylon Reinforced HNBR Rubber Stem, Nut & Spring : Stainless steel For material ...