wedge gate valve cast steel,stainless steel,alloy steel etc. API 600,API 6D,API 598 wedge gate valveSpecifications: 1) Standards: API, JIS, DIN ... -2500lbs /1.6Mpa-42Mpa/PN16-64/10K-175K 3) Gate valve Material: A105, WCB, WC6, WC9, C5, ZG15CrMoV, ... 12CrMoV, CF8, CF8M, CF3, CF3M, etc. 4) Gate valve Size: 1/2 -42" (DN15-DN1100) 5) Device type ... case or as per customers' requests. wedge gate valve