Size:2''- 48'' Pressure: Class150LB-2500LB Material: WCB, CF8, CF8M, CF3, CF3M, Design & Manufacture Standard: API 598 API 6D Flange End: ANSI B16.5 Butt-weld End.:ASME B16.25 End-To-End: ANSI B16.10 Test Standard: API598 Certificate: API 6D,CE,ISO9001