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About This Item

 

Full Description

This standard describes ½-in. (13-mm) through 6-in. (150-mm) air-release valves and ½-in. (13-mm) through 20-in. (500-mm) air/vacuum valves and combination air valves having gray cast-iron, ductile-iron, carbon steel plate, or stainless-steel bodies and covers. The valves are designed for use in water or wastewater systems with maximum design pressures of 300 psig (2,070 kPa [gauge]), liquid temperatures ranging from above freezing to a maximum of 125°F (52°C) and a liquid pH greater than 6 and less than 12.

Major revision to this edition of C512 include the following:

1. Title and scope were modified to include considerations and requirements for air valves for wastewater service.
2. Reduced lead requirements for materials in contact with potable water were included where appropriate.
3. Scope was modified to include steel plate and stainless-steel bodies and requirements.
4. Definitions of various waters were added.
5. Pressure testing requirements for air valves in wastewater applications were added.
6. Cleanouts for air valves in wastewater applications were added.
7. Internal and External Coating sections were modified to include coating requirements and testing for air valves in water and wastewater applications.
8. Welding and fabrication requirements were added.
 

Document History

  1. AWWA C512-15

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    viewing


    Air Release, Air/Vacuum, and Combination Air Valves for Waterwork and Wastewater Service

    • Most Recent
  2. AWWA C512-07


    Air Release, Air/Vacuum, and Combination Air Valves for Waterworks Service

    • Historical Version
  3. AWWA C512-04


    Air Release, Air/Vacuum, and Combination Air Valves for Waterworks Service

    • Historical Version
  4. AWWA C512-99


    Standard for Air Release, Air/Vacuum. And Combination Air Valves for Waterworks Services

    • Historical Version