HEBEI PAWOFUOU VALVE AND PIPE FITTING TECHNOLOGY CO.,LTD.
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GOST Z41T-16 cast steel flanged gate valve
Z=gate valve
4=flanged
1=Single gate disc
T=copper alloy
16=pressure
Gost Cast Steel Gate Valve is widely used in petroleum,chemical,natural gas,electric power,metallurgy ,pharmacy,building,water supply and other industries for three performances:availability,reliability and stability.
Specifications
1.Production Size:DN50-DN1000mm
2.Pressure range:PN16
3.Design Standard:GOST
4.Face to Face:GOST
5.Flange Standard:GOST 12815-80
6.Testing Standard:GOST D9544-93
Gost Cast Steel Gate Valve 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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