WATTS® 757 Double Check Valve Assembly With OSY Gate Valve, 6 in, Stainless Steel

1038082 MFG #: 0111513
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WATTS® Double Check Valve Assembly, 6 in Nominal Size, 175 psi, 33 to 140 deg F, Stainless Steel Body, 43-1/2 in L

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 and sleeve
  • Groove fittings allow integral pipeline adjustment
  • Patented tri-link check provides lowest pressure loss
  • Unmatched ease of serviceability
  • Available with grooved butterfly valve shutoffs
  • Available for horizontal, vertical or N pattern installations
  • Replaceable check disc rubber
  • Sizes 2-1/2 in, 3 in and 4 in available with quarter-turn ball valve shutoffs
  • EPDM, Silicone and Buna-N elastomers
  • Reversible Silicone or EPDM check discs
  • Bronze body nickel plated test cocks
  • OSY: UL/FM outside stem and yoke, resilient seated gate valve
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
  • Standard/Approvals: ASSE 1015, CSA B64.5, FM Approved, ANSI/NSF 61-G, cULUS Classified