API STD 594:2026
Current
Check Valves: Flanged, Lug, Wafer, and Butt-welding
English
09-15-2026
This standard covers the design, materials, face-to-face dimensions, pressure-temperature ratings, inspection, examination, and testing requirements for two types of check valves.
| DocumentType |
Standard
|
| Pages |
45
|
| PublisherName |
American Petroleum Institute
|
| Status |
Current
|
| Supersedes |
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