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About This Item

 

Full Description

This standard specifies the requirements for comparative testing of valve stem packing for process applications where fugitive emissions are a consideration. Packing(s) shall be suitable for use at service temperatures -29°C to 538°C (-20°F to 1000°F).

Factors affecting fugitive emissions performance that are considered by this standard include temperature, pressure, thermal cycling, mechanical cycling, and corrosion.
 

Document History

  1. API Std 622

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    Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition

    • Most Recent
  2. API Std 622


    Type Testing of Process Valve Packing for Fugitive Emissions, Second Edition

    • Historical Version
  3. API Std 622


    Type Testing of Process Valve Packing for Fugitive Emissions, First Edition

    • Historical Version