Forged Steel Gate Valve
1) Construction features: Bolted or welded bonnet, OS+y,
Threaded ends or sw ends, rising stem, or rolled-in seat ring
2) Standard compliance:
A) End threads: ANSI B1.20.1
B) Socket-weld: ANSI B16.11
C) Basic design: API 602
D) Test: API 598.
WORKSHOP
INSPECTION
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Design and manufacture |
API594,API 6D,JB/TB8937 |
Face to face and end to end |
API594,API6D,DIN3202,JB/T8937; |
Pressure-temperature rating |
ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74 |
Inspection and test |
API598,JB/T9092; |
Pipe flange |
JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47. |