A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [1] It is different from the two-way check valves …

Designed for use in non-health hazard cross-connections and continuous pressure applications subject to backpressure or backsiphonage incidents, such as lawn sprinklers, fire sprinkler …

Double Check Detector Assemblies are designed to prevent backflow of non-health hazard substances from being pumped or siphoned into the potable water supply. Certain models …

Apr 23, 2021 · Double check valves are typically two single check valves linked together, providing failsafe backup if one of the check valves fail for any reason. Double check valves …

The 950XLT2 Double Check Valve Assembly includes top access check covers for easy maintenance access, is utilized in low health hazard potable water applications, and is suitable …

This article discusses underground and above-ground installations of a double-check valve assembly. Before installation, run the main irrigation supply line from the isolation valve to the …

A double check valve or double check assembly (DCA) is a backflow preventer designed to protect water sources from contamination. It is also a valve used in compressed air braking …

A double check valve is a mechanical backflow protection device. Comprising of two single check valves in series, a double check valve permits water to flow from upstream to downstream but …

Series LF709 Lead Free* double check valve assembly backflow preventers help stop the reverse flow of polluted water from entering into the potable water supply.

Jan 29, 2025 · The double check valve assembly is a reliable and commonly used backflow preventer, offering a simple yet effective solution to prevent backflow in many plumbing …