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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