Size: 2"-40" Pressure: Class 150Lb-1500Lb Material: WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5, C12 Design&Manufacture Std.: API 6D, API 594, ASME B16. 34 Face to Face Std.: API 594, API 6D End Connection Std.: ASME B16. 5, ASME B 16. 47 Test Standard: ISO5208, API 6D