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API STD 671:2020+ERR 2:2026

Current

Current

Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services

Available format(s)

PDF

Language(s)

English

Published date

01-22-2026

US$321.00
Excluding Tax where applicable

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
PublisherName
American Petroleum Institute
Status
Current
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
EN 953:1997+A1:2009 Safety of machinery - Guards - General requirements for the design and construction of fixed and movable guards

US$321.00
Excluding Tax where applicable