Backflow Training. Introduction to Backflow For Irrigation Systems. Agenda. Backflow definitions Hydraulics Degree of Hazard Types of Backflow Preventers Product Selection Approvals Installations. What is Backflow?.
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Introduction to Backflow
For Irrigation Systems
27 3/4” of water generates a pressure of one pound per square inch (psi)
Backpressure with 2nd Check Fouled
Backsiphonage with 2nd Check Fouled
AWWA (Voluntary Standard - Certified to)
Soft Seated Check
Water Hammer Arrestor
Approved Check Valve
Point of use