Gate Valve
1.Body,bonnet,disc,hanle wheel:cast iron or ductile iron.
2.Seat seal ring:cast bronze or stainless steel.
3.Disc seal ring:cast bronze or stainless steel.
4.Working pressure:jis 10k/16k,ansi 125/150.pn10/16.
5.Working environment:W.O.G.
6.Size:DN40-200