API SPEC 6D:2021+ERR 4:2026
Current
Specification for Valves
English
01-10-2026
This specification defines the requirements for the design, manufacturing, materials, welding, quality control, assembly, testing, marking, documentation, and process controls of axial, ball, check, gate, and plug valves for application in the petroleum and natural gas industries, and hydrogen gas service.
| DocumentType |
Standard
|
| Pages |
184
|
| PublisherName |
American Petroleum Institute
|
| Status |
Current
|
| Supersedes |
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