Performance Requirements for Hose Connection Backflow Preventers (ANSI Approved: 2016)

These devices are designed to be installed on the discharge side of a hose threaded outlet on a potable water system. These two-check devices protect against backflow, due to backsiphonage or low-head backpressure, and are field testable to certify protection under the high-hazard conditions present at a hose threaded outlet. These devicse shall only be used on systems where there is low-head backpressure that does not exceed that generated by an elevated hose equal to or less than 10 feet (3.0 m) in height.

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

A hard copy version of this standard is also available.