Specifications: 1) Design and manufacture standards: ANSI B16.34, API6D, API 599 2) Face to face: ANSI B16.10 3) End flange: ANSI B16.5, ANSI B16.25 4) Materials: carbon steel and stainless steel 5) Flange connection: ANSIB16.5 6) Inspection standard: API 598 7) Body: WCB, WC6, WC9, CF8, CF8M, CF3, CF3M, monel and CN7M 8) Size: 1" - 20" 9) Class: 150lbs - 900lbs 10）operated way: handwheel, bevel gear, Pneumatic, Electric 11) Custom requirements welcomed Packing: Inner packing: plastic package; outer packing: wooden package