957RPDA-DOSY-LM 4
Part of the 957RPDA Series
Ordering Code: 0113078
UPC: 098268287790
4 In SS Reduced Pressure Detector Assembly Backflow Preventer, Domestic OSY Shutoff Valves, Less Meter
This 4 inch reduced pressure detector assembly backflow preventer is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Extremely compact and lighter than traditional designs it is approved for horizontal N pattern installation. It is ideal for protection at cross-connections identified as health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, domestic outside stem and yoke resilient seated gate valves, test cocks, corrosive resistant bottom mounted pressure relief valve, and a bypass without a meter.
Specifications | |
---|---|
ArmorTekTechnology | No |
BuyAmericanAct | NO |
EANUCCCode | 098268287790 |
MaximumTemperature-Fahrenheit | 110 |
MaximumWorkingPressure-BAR | 12.06 |
MaximumWorkingPressure-PSI | 175 |
MinimumTemperature-Celsius | 0.50 |
MinimumTemperature-Fahrenheit | 33 |
TrademarkName-Primary | None |
Literature
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- Flyer - Flood Detection for RPZ/RPDA Backflow Preventers with Flood Sensor
- Flyer - Flood Detection for RPZ/RPDA Backflow Preventers with Flood Sensor (French)
- Installation Instructions - BMS Sensor Retrofit Connection Kit - 994, 957, 957RPDA, LF957RPDA, C400, C500, LFC500, 4000SS, 5000SS
- Installation Instructions - Cellular Sensor Retrofit Connection Kit - 994, 957, 957RPDA, LF957RPDA, C400, C500, LFC500, 4000SS, 5000SS
- Specification Sheet - 957RPDA, 957NRPDA, 957ZRPDA