Detailed Product Description Specifications: 1) Standards: API, JIS, DIN, BS or Customer's drawings 2) Class: 150lbs-2500lbs /1.6Mpa-42Mpa/PN16-64/10K-175K 3) Material: A105, WCB, WC6, WC9, C5, ZG15CrMoV, 12CrMoV, CF8, CF8M, CF3, CF3M etc. 4) Size: 1/2 -42" (DN15-DN1100) 5) Device type: Manual, Gear, Pneumatic and Electric 6) Construction type: Bolted Bonnet (150lbs-600lbs) Pressure Seal Bonnet ( ...