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About This Item

 

Full Description

This specification establishes design validation requirements for API Specification 6A surface safety valves/underwater safety valves (SSV/USV) and associated valve bore sealing mechanism(s) for Class II and Class III. These classes are intended for use if substances such as sand can be expected to cause an SSV/USV valve failure.

Class III adds requirements for the validation of the valve bonnet assembly inclusive of stem seals and may be selected by the user/purchaser. Validation to Class III also validates the same SSV/USV for Class II in accordance with scaling limitations specified in the document.

The validation requirements in this specification are not represented as duplicating actual well conditions.
 

Document History

  1. API Spec 6AV1


    Specification for Validation of Wellhead Surface Safety Valves and Underwater Safety Valves for Offshore Service, Third Edition

    • Most Recent
  2. API Spec 6AV1

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    Specification for Validation of Wellhead Surface Safety Valves and Underwater Safety Valves for Offshore Service, Second Edition

    • Historical Version
  3. API Spec 6AV1 (R2008)


    Specification for Verification Test of Wellhead Surface Safety Valves and Underwater Safety Valves for Offshore Service(includes Errata dated December 1996)

    • Historical Version