API STD 671 : 2020 INC ERR 1:2024 (R2026)
Superseded
View Superseded by
Special-purpose Couplings for Petroleum, Chemical, and Gas Industry Services
English
08-20-2020
02-21-2026
This standard specifies the requirements for couplings for the transmission of power between the rotating shafts of two machines in special-purpose applications in the petroleum, petrochemical, and natural gas industries.
| DocumentType |
Standard
|
| Pages |
103
|
| ProductNote |
Reconfirmed on Jan 2026
|
| PublisherName |
American Petroleum Institute
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| ISO 14120:2015 | Safety of machinery — Guards — General requirements for the design and construction of fixed and movable guards |
| ISO 1940-1:2003 | Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances |
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