Short Description:
Technical requirement
1.Design and manufacture according to: JB/T7746,GB/T12224
requirements.
2.Valve structure length: GB/T12221 or factory standard
requirements.
3.Flange end size according to: GB/T9113,JB/T82.1-82.4
HG20592(RF,FM,RJ)
4.Inspection and test according to JB/T9092 or GB/T26480
requirements.
5.Structural features: B-B (central bolt) WB (central welding)
Flow. Ful diameter (FP) Reduced diameter RP.
6. The main materialA105N,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
