JB/T 7927-2014
Valve cast steel visual quality requirements (English Version)
- Standard No.
- JB/T 7927-2014
- Language
- Chinese, Available in English version
- Release Date
- 2014
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 7927-2014
- Replace
- JB/T 7927-1999
- Scope
- This standard specifies the types and characteristics of surface defects on valves, flanges, pipe fittings and pressure-bearing steel castings. This standard applies to the visual inspection and acceptance of the surface quality of valves, flanges, pipe fittings and pressure-bearing steel castings.
JB/T 7927-2014 Referenced Document
- GB/T 12229 General Purpose industrial valves.Specification of carbon steel castings
- GB/T 12230 Specifications for stainless steel castings for general valves*， 2023-05-23 Update
- JB/T 5263 Specification for steel casting for power station valves
- JB/T 6439 Methods of magnetic examination for valves
- JB/T 6440 Methods of radiographic examination for steel castings valves
- JB/T 6902 Methods for liquid penetrant examination of valves
JB/T 7927-2014 history
- 2014 JB/T 7927-2014 Valve cast steel visual quality requirements
- 1999 JB/T 7927-1999 Valve cast steel visual quality requirement
