Short Description:
Technical requirement
1.Design and manufacture: API602; ASME B16.34;JB/T7746
GB/T12224 requirements
2.Structure length according to: JB/T7746 factory standard or customerrequirements
3.Socket size: ASME B16.11; JB/T7746 (SW) requirementsButt-welded dimensions: ASME B16.25: JB/T7746 (BW)
Thread end dimensions: ASME B1.20.1 (NPT): GB/T7306(Rc)
4.Inspection and testing: API598;JB/T9092; and GB/T2648Crequirements
5.Structural features: B· B(central bolt) Flow: Full diameter(FP)Reduced diameter RP
6.The main material: A105N, LF2, LF3, F11,F5, F22,F304,F304L
F316,F316L,F321.F304H,F316H,F321H,F51,F53,F55,F91,F92,
F347,310S,800H,600,625 special materials and so on
