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101.1 Backflow Prevention Management Glossary of Terms

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There are 2 names in this directory beginning with the letter B.
Back Siphonage
Negative pressure- water is pushed back into the supply system by atmospheric pressure (14.7>sia) (pounds per square inch absolute or zero gauge pressure- at sea level)

Backflow
• A reversal of the normal direction of flow
• Back Pressure- Customer side has greater pressure than the supply side
Double Check Valve Assembly Tokay Software
PVB Tokay Software
RP Tokay Software

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