757ISR DCDA
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Double Check Detector Assemblies (Grooved), DN100-DN150
Series 757ISR DCDA double check detector backflow preventer assemblies are used to prevent backflow of non-health hazard pollutants that are objectionable but not toxic, from entering the potable water supply system. Series 757ISR may be installed under continuous pressure service and may be subjected to backpressure and backsiphonage. Series 757ISR consists of two independently operating check valves, and three test cocks.
- Extremely compact design
- 70% Lighter than traditional designs
- 304 (Schedule 40) Stainless steel housing & sleeve
- Groove fittings allow integral pipeline adjustment
- Patented tri-link check provides lowest pressure loss
- Unmatched ease of serviceability
- Available for horizontal or vertical installations
- Replaceable check disc rubber
Literature
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Select options below to identify the UPC, Order Code, and Repair Kit for a specific 757ISR DCDA