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OverviewThis standard describes the double check-valve backflow prevention assembly for potable water applications. The assembly shall be capable of withstanding a working water pressure of at least 150 psi (1,034 kPa) without damage to working parts or impairment of function and for operation on hot or cold potable water lines. This standard describes hot- and cold-water double check-valve backflow prevention assemblies. Assemblies shall be designed to operate, at a minimum, at a temperature range of 33°F–140°F (1°C–60°C). Hot-water assemblies shall be designed to operate, at a minimum, in water at a temperature range of 33°F–180°F (1°C–82°C). A complete assembly consists of two internally loaded, independently operating check valves, located between two tightly closing resilient-seated shutoff valves, with four properly placed resilient-seated test cocks (see Sec. 4.3.1.3). Full Product DetailsAuthor: American Water Works AssociationPublisher: American Water Works Association,US Imprint: American Water Works Association,US Weight: 0.800kg ISBN: 9781647170714ISBN 10: 1647170710 Pages: 28 Publication Date: 28 February 2022 Audience: Professional and scholarly , Professional & Vocational Format: Paperback Publisher's Status: Active Availability: Temporarily unavailable  The supplier advises that this item is temporarily unavailable. It will be ordered for you and placed on backorder. Once it does come back in stock, we will ship it out to you. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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