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IAPMO PS 72-2007e1
- Valves with Atmospheric Vacuum Breakers
- standard by International Association of Plumbing and Mechanical Officials, 2013
- Publisher: IAPMO
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The purpose of this standard is to establish a generally acceptable standard for valves with atmospheric vacuum breakers. Its purpose is to serve as a guide for producers, distributors, architects, engineers, contractors, installers, inspectors and users; to promote understanding regarding materials, manufacture and installation; and to provide for identifying valves with atmospheric vacuum breakers.