Detailed Product Description 1) Bolted bonnet2) Flanged or butt-welded ends3) Standards compliance4) End flange: ASME B16.55) Inspection and test: API 598, API 6D6) NPS: 2"~48" 7) Pressure: class 150lbs~2,500lbs 8) Material: WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF8C, CN7MPacking:Plywooden case