API STD 609:2021
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Butterfly Valves: Double-flanged, Lug- and Wafer-type, and Butt-welding Ends
English
22-04-2021
23-05-2026
This standard covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for gray iron, ductile iron, bronze, steel, nickel-based alloy, or special alloy butterfly valves.
| DocumentType |
Standard
|
| Pages |
38
|
| ProductNote |
This product is unavailable in Cuba, Iran, North Korea, Syria
|
| PublisherName |
American Petroleum Institute
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |