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ASSE 1053

Performance Requirements for Dual Check Backflow Preventer Wall Hydrants - Freeze Resistant Type

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Organization: ASSE
Publication Date: 1 May 2004
Status: active
Page Count: 25
scope:

Description

Performance Requirements for Dual Check Backflow Preventer Wall Hydrants - Freeze Resistant Type

These devices provide protection of the potable water supply from contamination due to backsiphonage or backpressure without damage to the device due to freezing, and is field testable to verify protection under the high hazard conditions present at a hose threaded outlet. This device 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 feet (3 m) in height, and are not subjected to continuous water pressure.

Document History

April 1, 2019
Performance Requirements for Dual Check Backflow Preventer Wall Hydrants – Freeze Resistant Type
Description These devices shall consist of two independent checks, force-loaded or biased to a closed position, with an atmospheric vent located between the two check valves, which is force-loaded...
ASSE 1053
May 1, 2004
Performance Requirements for Dual Check Backflow Preventer Wall Hydrants - Freeze Resistant Type
Description Performance Requirements for Dual Check Backflow Preventer Wall Hydrants - Freeze Resistant Type These devices provide protection of the potable water supply from contamination due to...
January 1, 2004
Performance Requirements for Dual Check Backflow Preventer Wall Hydrants - Freeze Resistant Type
A description is not available for this item.

References

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