Introduce the valve testing standard: GB/T 13927 - General valve pressure test JB/T 9092-1992 The inspection and test of GB 12242-1999 valves 2005 pressure release device performance test standard API 6 d API 598 - line valve inspection and test of GB/T 2004-19672 2005 universal pipeline valve technology conditions of SH 3064 petrochemical steel valve selection, inspection and test for GB - 12245 Pressure reducing valve performance test method of GB 12251-1989 Steam trap experiment JB/T 2005-5296 1991 general valve flow coefficient and flow resistance coefficient of JB/T 6439 - test method 1992 valves compression steel magnetic powder flaw detection JB/T 6440 - 1992 valves compression steel JB/T 6899 - radiographic inspection of fire test JB/T 6902-1993 1993 valve steel JB/T 6903 - liquid penetrant inspection method The valve forging steel 1993 JB/Z243 - ultrasound method 85 gate JB/Z244 - static pressure life test procedures 85 cut-off valve static JB/Z245 - life test procedures 85 cock JB/Z246 - static pressure life test procedures 85 ball valve life test standard JB/Z247 - static pressure 85 valves electric actuator JB/Z248 - life test procedures Static pressure 85 butterfly Industrial Valves life test procedures
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