Date: 2011-04-25 10:13:48

Water

Construction

Backflow prevention device

Pressure vacuum breaker

Double check valve

Backflow

Vacuum breaker

Check valve

Certification

Irrigation

Plumbing

Fluid mechanics

Backflow Prevention REference Manual IAPMO’s Backflow Prevention Institute collaborated with the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada

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