USC BACKFLOW TESTING PROCEDURES

University of Southern California Foundation for Cross-Connection Control and Hydraulic Research

10th Edition Testing Procedures for the Reduced Pressure Principle, Double Check, Pressure Vacuum Breaker, and Spill Resistant Vacuum Breaker Backflow Assemblies.

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 Click on links below for backflow assembly testing procedures:

 

Reduced Pressure Principle Backflow Assembly

 

 

Double Check Backflow Assembly   

 

 

Pressure Vacuum Breaker

 

 

Spill Resistant Vacuum Breaker

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2017 Arizona Chapter - American Backflow Prevention Association