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 customer
requirements.
3.Socket size: ASME B16.11;JB/T7746 (SW) requirements.
But-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/T26480
requirements
5.Structural features B. B(central bolt)
Flow: Ful 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
