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Watts 6 In SS Double Check Detector Assembly Backflow Preventer, UL/FM Butterfly Valve Shutoffs, Gallons/Minute Meter

SKU: 0111575

$12,057.00

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Product Details

Watts 0111575

This 6'' double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check valves, two UL/FM butterfly shutoff valves, and four test cocks. It has a gallons per minute meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water. The maximum working pressure is 175 psi (12.06 bar).


  • UPC 098268121841
  • Online Product ID 3631974
  • Weight 141 lbs.
  • Material Stainless Steel
  • Listing UL/FM Approved
  • Backflow Preventer Type Double Check Detector Assembly
  • Body Pattern In-Line
  • Bypass yes
  • Bypass Size 0.75''
  • Disc Material Silicone
  • Inlet Connection Size 6''
  • Inlet Connection Size Metric 150 mm
  • Inlet Connection Type Flanged Joint
  • Inlet Shutoff Valve Type Gear Operated Butterfly Valve
  • Maximum Temperature Deg F 140
  • Maximum Working Pressure Psi 175
  • Meter Type Gallons/Minute Meter
  • Minimum Temperature Deg F 33
  • Outlet Connection Size 6''
  • Outlet Connection Type Grooved Joint
  • Outlet Shutoff Valve Type Gear Operated Butterfly Valve
  • Pressure Operation Continuous
  • Protection Type Backpressure and Backsiphonage
  • Seat Material Engineered Plastic
  • Series 757DCDA

Additional information

  • Grooved end connections
  • Stainless steel for corrosion resistance
  • Gear operated butterfly shutoffs with tamper switches
  • Lightweight construction

About This Brand

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