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Backflow Prevention

Backflow prevention devices are designed to protect the public water supply from cross-connections. A modern community water supply system is designed to ensure that water flows to properties and buildings under pressure. This community water network contains many users where there is a risk to public health if there is a cross-connection between the water supply and a contaminated source. A cross-connection can occur where there is a pressure drop in the water main. This pressure drop causes a vacuum and siphons of entrainment water from end-users into the public water supply.

Reduced Pressure Backflow Preventer Assemblies

Reduced Pressure Backflow Preventer Assemblies • In a low condition, the check valves are open

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Fire Department Connection Assemblies

Fire Department Connection Assemblies • The ParkUSA® BackFlo™ is a water cross connection prevention system

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Single Detector Check Valve Assemblies

Single Detector Check Assemblies • The single check valve is used with a by-pass detector

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Double Check Valve Assemblies

Double Check Valve Assemblies • Double Checks may be installed under continuous pressure service

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Double Detector Check Valve Assemblies

Double Detector Check Valve Assembly • "Detect or Check" Backflows are the same

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