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  • AWWA ACE70931

AWWA ACE70931

Backflow Prevention Assembly Installation Criteria

American Water Works Association , 11/01/2009

Publisher: AWWA

File Format: PDF

$12.00$24.00


Standard By:American Water Works Association , 11/01/2009
Published:11/01/2009
Pages:30
File Size:1 file , 1.5 MB
Language:English
Note:This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus
This powerpoint presentation begins by presenting six basic means of protection from backflow, including: Air Gap; Atmospheric Vacuum Breaker; Pressure Vacuum Breaker; Spill Resistant Pressure Vacuum Breaker; Double Check Valve Assembly; and, Reduced Pressure Principle Assembly. Considerations for selecting a backflow preventer are presented, including hydraulics, over sizing of assemblies, adequate flow and pressure, thermal expansion, types of hazards, means of protection, and installation requirements. Includes figures.

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