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Content DescriptionThis 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: Title and scope were modified to include considerations and requirements for air valves for wastewater service. Reduced lead requirements for materials in contact with potable water were included where appropriate. Scope was modified to include steel plate and stainless-steel bodies and requirements. Definitions of various waters were added. Pressure testing requirements for air valves in wastewater applications were added. Cleanouts for air valves in wastewater applications were added. Internal and External Coating sections were modified to include coating requirements and testing for air valves in water and wastewater applications. Welding and fabrication requirements were added.This book also exists in the following packages...Subscription InformationMADCAD.com AWWA Standards & Manuals subscriptions are annual and access is concurrency based (number of people that can access the subscription at any given time).
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About AWWAEstablished in 1881, the American Water Works Association is the oldest and largest nonprofit, scientific and educational organization dedicated to safe and sustainable water in the world. With more than 50,000 members worldwide and 43 Sections in North America, AWWA advances public health, safety and welfare by uniting the efforts of the entire water community. AWWA Offers education to water professionals Advocates for safe and sustainable water Collects and share knowledge Creates volunteering opportunities |
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