Pressure Relief Valve Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel Diaphragm: EPDM , NBR Disc: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel Pilot Valve: Stainless Steel, Brass Spring: SS304 Shaft: SS304 Nominal Size: DN50 to DN600 Nominal Pressure: PN1.6, PN2.5, PN4.0 End Connections: Flanged Dimensions                […]