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About This Item

 

Full Description

This standard covers the minimum requirements for sealless centrifugal pumps for use in petroleum, heavy-duty petrochemical, and gas industry services. It is applicable to single-stage overhung pumps of two classifications, magnetic drive pumps (MDPs) and canned motor pumps (CMPs).

Sections 2 through 8 and Section 10 cover requirements applicable to both classifications. Section 9 is divided into two subsections and covers requirements unique to each classification.

 

Document History

  1. API Std 685

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    Sealless Centrifugal Pumps for Petroleum, Petrochemical, and Gas Industry Process Service, Third Edition

    • Most Recent
  2. API Std 685


    Sealless Centrifugal Pumps for Petroleum, Petrochemical, and Gas Industry Process Service, Second Edition

    • Historical Version
  3. API Std 685


    Sealless Centrifugal Pumps for Petroleum, Heavy Duty Chemical, and Gas Industry Services, Includes Errata (2007)

    • Historical Version