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.

Series 757, 757N Double Check Valve 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 757, 757N may be installed under continuous pressure service and may be subjected to backpressure and backsiphonage. Series 757, 757N consists of two independently operating check valves, two shutoff valves, and four test cocks.

Features
  • 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
  • Replaceable check disc rubber
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    Specs
    Size:
    4"
    Material:
    Stainless Steel
    Max Pressure (PSI):
    175
    Max Temp (F):
    140°F
    Min Temp (F):
    33°F
    Features:
    UL/FM outside stem and yoke resilient seated gate valves
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