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About This Item
Full Description
This standard applies to two types of backflow prevention assemblies identified as a (Double Check Backflow Prevention Assembly (DC) and a Double Check Fire Protection Backflow Prevention Assembly (DCF). These assemblies consist of two (2) independently acting check valves, internally force loaded to a normally closed position, two (2) tightly closing shut-off (isolation) valves, and properly located test cocks. These assemblies are designed and constructed to operate under intermittent or continuous pressure conditions. This standard also applies to Manifold Double Check Backflow Prevention Assemblies. These consist of two or more complete Double Check Backflow Prevention Assemblies in parallel.
Document History
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ASSE (Plumbing) 1015-2021
Performance Requirements for Double Check Backflow Prevention Assemblies- Most Recent
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ASSE (Plumbing) 1015-2011
Performance Requirements for Double Check Backflow Prevention Assemblies and Double Check Fire Protection Backflow Prevention Assemblies- Historical Version
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ASSE (Plumbing) 1015-2009
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Performance Requirements for Double Check Backflow Prevention Assemblies and Double Check Fire Protection Backflow Prevention Assemblies- Historical Version