cast iron DIN resilient seal flanged check valve
Specifications
1.Production Size:2”-24” DN50-DN600mm
2.Pressure :PN10,PN16
DIN Check Valve Standard:
1.Design Standard:DIN3356
2.Face to Face:DIN3202 F6
3.Flange Standard:EN 1092-2
4.Testing Standard:ISO 5208
DIN Check Valve main material of parts:
1.Body:EN-GJL-250
2.Bonnet:EN-GJL-250
3.Stem:2Cr13/SS304/SS316/Carbon Steel
4.Stem Nut:brass
5.Disc:EN-GJL-250