One check valve still acts even if the other is jammed wide open. Also, the closure of one valve reduces the pressure differential across the other, which allows a more reliable seal and …

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 …

A double check valve is an essential backflow prevention device designed to safeguard your water supply from contamination. These valves consist of two separate check valves …

Sep 10, 2025 · A double check valve consists of two independent check valves in series, providing redundant backflow prevention. During forward flow, both valves open sequentially. …

Mar 31, 2025 · A DCV assembly isn't a single valve; it's a system comprising two independently operating check valves installed in series. Each check valve contains a clapper or disc that …

Choose from our selection of dual check valves, including on/off valves, flow-adjustment valves, and more. Same and Next Day Delivery.

Depending on the type of Dual Check valve, the intended applications range from residential water systems at the service entrance, fire sprinkler systems and beverage machines.

May 27, 2025 · A double check valve is an ABPA approved backflow prevention device consisting of two spring-loaded check valves in series. Commonly used in plumbing and industrial …

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 …

Learn how a dual check valve works and why it protects your water. Get expert tips on function, price, and residential use.