Customer Support: 131 242

  • Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert
Celebrate World Standards Day. Save 10% with code WSD2026 until 31 Oct. Save now

API STD 671:2020+ERR 2:2026

Current

Current

The latest, up-to-date edition.

Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services

Available format(s)

PDF

Language(s)

English

Published date

22-01-2026

$511.74
Including GST where applicable
Summarise this standard

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

$511.74
Including GST where applicable