Steam Safety Valve Body: Cast Iron, WCB, SS304, SS316, Ductile Iron Nozzle: 2Cr13, SS304, SS316 Adjusting Ring: 2Cr13, SS304, SS316 Disc: 2Cr13, SS304, SS316 Guide Sleeve: 2Cr13, SS304, SS316 Bonnet: Carbon Steel Spring: Steel Stem: 2Cr13, SS304, SS316 Adjusting Bolt: 2Cr13 Cap: Carbon Steel Working Pressure: PN1.6, PN2.5, PN4.0, Class 150 to Class 300 End […]