Flange Type Gate Valves

We are offering flange type gate valves. os&y,rising stem,flexible wedge bolted bonnet,threaded or welded seat ring astm a216 wcb,a352,lcc,a352 lcb,a217 wc6,a351 cf8,a351 cf8m,a351 cf3,a351 cf3m,a351 cn7m standards compliance design and manufacture:ansib16.34,api600 api6d,api603,bs1414 etc. nominal diameters: 2"~ 60" face to face(end to end):ansib16.10,api6d flanged connection:2"~24"to ansib16.5, 26"up to mss-sp-44 ,ansi b16.47 a series, ansi b16.47 b series. test and