Marine Cast Iron Bi-row Stop Valve case GB/T2499-1983:
1.Design standard:GB/T11689.
2.End standard:GB/T2501&GB/T569.
3.End type:Flange.
4.PN:0.6/1.0Mpa.
5.DN:40mm-250mm.
6.Main material:
- Body/Bonnet:HT200;
- Seat:SS410/BC6;
- Stem:SS410/BRASS;
- Disc:SS410/BC6.
7.Application:Sea water and fresh water piping.
Drawing of Marine Cast Iron Bi-row Stop Valve case GB/T2499-1983:



