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Description
Note: This item does not comply with the 2014 Lead Free Act. It may not be used in potable water applications as of January 4, 2014.

957RPDA Reduced Pressure Detector Assemblies prevent the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply. The 957RPDA incorporates a meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of a compact, stainless steel body with stainless steel internal parts, two check valves, a pressure-differential relief valve, shutoff valves, torsion spring checks and relief valve, and bronze, nickel-plated test cocks. Series 957RPDA is 70% lighter than traditional designs and is ideal for health hazard cross-connection, such as on fire sprinkler systems. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).

Features
  • Extremely compact design
  • 70% lighter than traditional designs
  • 304 (Schedule 40) stainless steel housing & sleeve
  • Groove fittings allow integral pipeline adjustment
  • Patented torsion spring check provides lowest pressure loss
  • Unmatched ease of serviceability
  • Replaceable check disc rubber
  • Available with grooved butterfly valve shutoffs
  • Bottom mounted cast stainless steel relief valve
  • Metered bypass to detect leakage or theft of water from the fire sprinkler system
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    Specs
    Application:
    Plumbing
    Size:
    6"
    Material:
    Stainless Steel
    Max Temp (F):
    140°F
    Min Temp (F):
    33°F
    Max. Working Pressure:
    175 psi
    Features:
    UL/FM outside stem and yoke resilient seated gate valves
    Product Type:
    Backflow Preventer
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