Fire Hydrant Backflow Preventer Couplings_Aluminum The amount of hose the

The amount of hose the wrapper will secure depends upon the size

it should be the length of your pre-connect

The outside side walls of the bag are constructed of heavy reinforced vinyl and the inside walls have rigid plastic for support and durability

Working pressure may vary with the construction of the hose

A hose pack that allows one person to carry up to 150 ft

Fire Hydrant Backflow Preventer Couplings_Aluminum The amount of hose theDouble check valves back flow prevention assembly is used to protect water supplies from contamination or pollution due to back flow. Three top mounted test cocks ensure easy access during repair and maintenance. Consists of two spring loaded poppet type check valves and a mechanically independent, hydraulically dependent pressure differential relief valve. Designed to give maximum protection against back flow caused by back pressure or back siphonage