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Watts 0111586 Reduced Pressure Zone Assembly 4" (957-OSY)

Watts 0111586 Reduced Pressure Zone Assembly 4" (957-OSY)
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Watts 0111586 Reduced Pressure Zone Assembly 4" (957-OSY)

Watts 0111586 Reduced Pressure Zone Assembly 4" (957-OSY)

SKU: 0111586
Usually Ships 1-2 Weeks
Rating:
$2,266.53 /ea

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Ships by Truck (LTL)

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Watts Series 957 Reduced Pressure Zone Assemblies

Series 957, 957N, 957Z Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of stainless steel body, sleeve and torsion spring check valves. Series 957, 957N, 957Z has a compact design that is 70% lighter than traditional designs, and is ideal for health hazard piping applications for protection against backsiphonage or backpressure. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).

Features:
 
  • 2 1⁄2", 3" and 4" (65, 80 and 100mm) sizes available with quarter-turn ball valve shutoffs
  • Replaceable check disc rubber
  • Extremely compact design
  • 70% Lighter than traditional designs
  • 304 (Schedule 40) stainless steel housing & sleeve
  • Groove fittings allow integral pipeline adjustment
  • Patented torsion spring checks provide lowest pressure loss
  • Unmatched ease of serviceability
  • Bottom mounted cast stainless steel relief valve
  • Available with grooved butterfly valve shutoffs
Connection Size 4 inch
Temperature Range 33°F – 140°F (0.5°C – 60°C)
Maximum Working Pressure 175psi (12.1 bar)
Housing & Sleeve 304 (Schedule 40) Stainless Steel
Elastomers EPDM, Silicone and Buna-N
Torsion Spring Checks Noryl®, Stainless Steel
Check Discs Reversible Silicone or EPDM
Test Cocks Bronze Body Nickel Plated
Pins & Fasteners 300 Series Stainless Steel
Springs Stainless Steel

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