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GOST rising stem metal seal cast steel gate valve
Specifications
1.Production Size:DN50-DN1000mm
2.Pressure range:PN10,PN16,PN25,PN40,PN64
3.Design Standard:GOST
4.Face to Face:GOST
5.Flange Standard:GOST 12815-80
6.Testing Standard:GOST D9544-93
Main material of parts:
1.Body:20#
2.Bonnet: 20#
3.Stem:2Cr13/SS304/SS316/Carbon Steel
4.Stem Nut:brass
5.Wedge Ring:Bronze B62/Brass
6.Disc:20#
7.Seat:Ductile Iron/brass
8.Bonnet Gasket:Graphite
9.Packing:Graphite
10.Hand wheel: Ductile Iron
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