... :API 608, ASME B16.34, API 6D, BS 5351 2) Face-to-Face standard:API B16.5, API 6D, ... 6D, API598, BS 6755 Specifications 1) Size:2"-32" 2) Pressure:Class 150-2, 500 lbs 3) Material:WCB, LCB, CF8, CF8M ... , CF3, CF3M, A105, LF2, F3 4) Pressure:Class 150-2, 500 ... lbs 5) Structure type:1-piece, 2-piece, 3-piece