Pressure Relief Valve

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 Working Pressure: PN1.6, PN2.5, PN4.0 Dimensions: size(mm) 50 65 80 100 125 150 200 250 300 350