This standard specifies the sampling, inspection and determination of inspection results for outlet valves. This standard is applicable to the inspection of universal valves in industrial pipelines such as globe valves, valves, butterfly valves, ball valves, check valves, etc. The inspection of valves can also be used as a reference. This standard does not apply to the inspection of copper valves and special-purpose valves with nominal pressures below 6.3 MPa.
SN/T 1455-2004 history
2012SN/T 1455-2012 General requirements for import and export valve inspection regulations
2004SN/T 1455-2004 Rules for the inspection of valves for export