API gate valve,carbon steel,stainless steel,alloy steel etc. API 600,API 6D API gate valveSpecifications: 1) Standards: API, JIS, DIN, BS ... or Customer's drawings 2) Class: 150lbs-2500lbs /1.6Mpa-42Mpa/PN16-64/10K-175K 3) Gate valve ... 12CrMoV, CF8, CF8M, CF3, CF3M, etc. 4) Gate valve Size: 1/2 -42" (DN15-DN1100) 5) Device type ... case or as per customers' requests API gate valve