DIN3357 DN40 PN16 GG25 cast iron flanged ball valve

DIN3357 is the manufacture standard of ball valves.

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cast iron flanged ball valve

1.Production Size:2"~10".DN50~DN250

2.Pressure:PN16

cast iron flanged ball valve standard

1.Design Standard:DIN 3357,EN12516

2.Face to Face:DIN 3202,EN558-1,DN15-DN150(F4),DN200(F5)

3.Flange Standard:DIN2533,EN1092-2

4.Testing Standard:EN12266,DIN3230,ISO5208

cast iron flanged ball valve main material of parts:

1.Body:GG25,GGG40

2.Bonnet:GG25,GGG40

3.Stem:2Cr13/SS304/SS316/Carbon Steel

4.Ball:SS304,SS316

5.Gasket:PTFE

6.Seat:PTFE,RPTFE

7.Stem Packing:PTFE

8.Handle:ASTM A536 65-45-12

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