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Watts 8 In SS Double Check Detector Assembly Backflow Preventer, OSY Shutoff, Gallons/Minute Meter, Short Lay Length

SKU: 0438029

$24,510.00

Price

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Product Details

Watts 0438029

This 8'' double check detector backflow preventer assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has a gallons per minute meter and outside stem and yoke shutoffs. It can be installed in a horizontal or vertical flow-up position. It is designed for installation on applications identified by local authorities as non-health hazard, such as on fire protection systems. The maximum working pressure is 175 psi (12.06 bar).


  • UPC 098268795462
  • Online Product ID 3632210
  • Weight 754 lbs.
  • Material Stainless Steel
  • Backflow Preventer Type Double Check Detector Assembly
  • Body Pattern In-Line
  • Bypass yes
  • Bypass Size 0.75''
  • Inlet Connection Size 8''
  • Inlet Connection Size Metric 200 mm
  • Inlet Connection Type Flanged Joint
  • Inlet Shutoff Valve Type Outside Stem and Yoke Gate Valve
  • Maximum Temperature Deg F 110
  • Maximum Working Pressure Psi 175
  • Meter Type Gallons/Minute Meter
  • Minimum Temperature Deg F 33
  • Outlet Connection Size 8''
  • Outlet Connection Type Flanged Joint
  • Outlet Shutoff Valve Type Outside Stem and Yoke Gate Valve
  • Pressure Operation Continuous
  • Protection Type Backpressure and Backsiphonage
  • Seat Material Engineered Plastic
  • Series 774DCDA

Additional information

  • Designed for minimum head loss
  • 150 pound ANSI/AWWA CL D flanged
  • Stainless steel for corrosion resistance
  • Outside screw and yoke shutoffs

About This Brand

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