The specification: 1) Design and manufacture: API 6D/608 2) Face to face dimension: ASME B16.10, API 6D 3) End flange dimension: ASME B16.5, DlN2501, BS4504 4) Pressure-temperature rating: ASME B1 6.34 5) Inspection and test: API 598, API 6D 6) Type of operation: manual, gear, electric, pneumatic 7) Size: 2"-24" 8) Pressure: class 150lbs-1,500lbs 9) Anti-static design, fire safe design: as per API 607/6FA 10) Material: WCB, WCC, WC6, WC9, C5, C12, LCB, LCC, CF8, CF8M, CF3, CF3M Packing: Plywooden case