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About This Item


Full Description

Covers the minimum requirements for special-purpose couplings intended to transmit power between the rotating shaft of two pieces of refinery equipment. These couplings are designed to accommodate parallel offset, angular misalignment, and axial displacement of the shafts without imposing excessive mechanical loading on the coupled equipment.

Document History

  1. API Std 671 (R2010)

    Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services, Fourth Edition

    • Most Recent
  2. API 671


    Special-Purpose Couplings for Petroleum, Chemical, and Gas Industry Services

    • Historical Version