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ASSE Standard #1057-2012 (Download)

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Performance Requirements for Freeze Resistant Sanitary Yard Hydrant with Backflow Protection (ANSI Approved: August, 2012)

The purpose freeze resistant sanitary yard hydrants is supply potable water without danger of damage to the device due to freezing, to provide protection of the potable water supply from contamination due to ground water and to prevent backflow in accordance with the backflow prevention device selected. These devices shall only be used on systems where the low-head backpressure does not exceed that generated by an elevated hose equal to or less than 10.0 feet (3.0 m) in height. This device shall not be subjected to continuous pressure.

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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