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The Conbraco Model DCDA Double Check Detector Assembly is designed to provide double check protection against cross-connection of non-potable (non-hazardous) water into the safe drinking water system; and at the same time offers precise monitoring capability to detect leakage or unauthorized use of water from fire or automatic sprinkler systems. The unit consists of two independently acting, spring loaded check valves with inlet and outlet resilient wedge gate valves and a by-pass assembly consisting of a water meter, double check valve assembly with shut-off valves and test cocks.

Technical Sheet