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Brand: Ames Fire & Waterworks•SKU: 752909
Backflow Preventer , Deringer 30 Osy Cfm Dcda Type Ii , 4 in
The Deringer 30G double check detector valve assembly prevents non health hazard pollutants from entering a potable water supply system when backpressure and backsiphonage conditions occur. Used primarily on fire sprinkler systems when monitoring of unauthorized water use is required.
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