Detailed Product Description Lift check valve 1) Standard: API, JIS, DIN, BS 2) Type: Swing and Bolted cover 3) Material: WCB, CF8, CF8M, CF3, CF3M, 304L, 304, 306, 306L 4) Pressure: 150lbs-2, 500lbs 5) Size: 1 1/2"-30" 6) Face to face dimension: ANSI B 16.10 7) Flange ends to ANSI B 16.5 B. W ends to ANSI B 16.25 8) Inspection and test: API598