BJV CS flanged check valve class 150 Design Feature:A: End flang dimension: ASME B 16.5B: BW end dimension: ASME B 16.25C: Socket-weld dimension: ASME B 16.11D: Face to face and end to end: ASME B 16.34E: Pressure temperature rating: ASME B 16.34F: Wall thickness dimension: API600 and BS 1868 Body material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M.