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ASSE Standard #1020-2020 (Download)



Product Description

Performance Requirements for Pressure Vacuum Breaker Assemblies

ANSI Approved: February 2020

ASSE 1020 devices are installed in water supply lines to prevent the entrance of non-potable material into the potable water supply by backsiphonage (only) and are intended for use in both high and low hazard applications. This standard was first published in 1974 to extend ASSE's portfolio of standards for backpressure and backsiphonage backflow prevention devices for pipe applied vacuum breakers.

Products downloaded are not to be reproduced or distributed in any way.

A hard copy version of this standard is also available. 

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