Historical

ASSE Standard 1057-2012

Performance Requirements for Freeze Resistant Sanitary Yard Hydrant with Backflow Protection

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.

CONTENT PROVIDER
American Society of Sanitary Engineering [asse-sanitary]

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