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About This Item

 

Full Description

This standard describes resilient-seated gate valves with nonrising stems (NRS) and outside screw-and-yoke (OS&Y) rising stems, including tapping gate valves for water supply service. The resilient-seated gate valve has been in service in various water utility applications since 1975.
 

Document History

  1. AWWA C509-23


    Resilient-Seated Gate Valves for Water-Supply Service

    • Most Recent
  2. AWWA C509-15

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    viewing


    Resilient-Seated Gate Valves for Water-Supply Service

    • Historical Version
  3. AWWA C509-09


    Resilient-Seated Gate Valves for Water-Supply Service

    • Historical Version
  4. AWWA C509-01


    Resilient-Seated Gate Valves for Water-Supply Service

    • Historical Version
  5. AWWA C509-94


    Resilient-Seated Gate Valves for Water-Supply Service (includes addendum C509a-95)

    • Historical Version