Gate Valve,Slab gate valve with Non-rising Stem,Expanding gate valve,

gate & seat surfacing carbide between the valve seat and the gate valve plate ,between the body and bonnet , stem back seal are metal sealed

work pressure 2M, 3M, 5M, 10M, 15M, 20M

material class AA, BB, CC, DD, EE, FF

production spec level PSL1, PSL2, PSL3, PSL4

performance requirment PR1,PR2

Nominal bore ( in) 1-13/16,2-1/16,2-9/16,3-1/16,4-1/16,5-1/87-1/16,9