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AMES 3000SS OSY - 3" - DCDA ASSY - (0692743) - 3000SSOSY3 - 3 3000SS-DOSY-CFM


Lead Free: NO

3 In Ss Double Check Detector Assembly, Domestic Osy Shutoffs, Cam-Check Valves, Cubic Feet Meter


This 3 inch double check detector assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross-connections identified as non-health hazards such as on fire protection systems and from other contaminants found at the service line entrance. The compact modular design has a single access cover for easy maintenance. It is approved for horizontal and vertical flow up installation. It consists of a light weight stainless steel body, domestic outside stem and yoke resilient seated gate valves, and four test cocks, a cubic feet per minute metered bypass to detect underground leaks and unauthorized water use, and torsion spring check valves.



  • Stainless steel body
  • Cam-check valve assembly provides low head loss
  • No special tools required for servicing
  • Stainless steel construction provides long term corrosion protection and maximum strength
  • Compact construction allows for smaller vaults and enclosures
  • Non-health hazard application
  • Cubic feet per minute meter


Backflow Preventer Type Double Check Detector Assembly
Body Finish Stainless Steel
Body Material Stainless Steel
Body Pattern Straight
Brand Name Ames Fire & Waterworks
Buy American Act Compliant YES
Bypass Yes
Bypass Size 3/4 IN
Cap And Tether No
Disc Material Rubber
EAN 737733019701
Elbow Fitting Yes
Hazard Protection Level Non Health Hazard
Hot And Harsh Water No
Hydrant Connection No
Inlet Connection Size 3 IN
Inlet Connection Size-Metric 80 MM
Inlet Connection Type Flanged Joint
Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve
Inlet Thread Type Does Not Apply To Product
Lead Free NO
Maximum Temperature-Fahrenheit 110
Maximum Working Pressure-BAR 12.00
Maximum Working Pressure-PSI 175
Meter Type CFM
Minimum Temperature - Celsius 0.50
Minimum Temperature-Fahrenheit 33
Outlet Connection Size 3 IN
Outlet Connection Type Flanged Joint
Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve
Outlet Thread Type Does Not Apply To Product
Part Number 0692743
Polymer Coating No
Pressure Operation Continuous
Protection Type Backsiphonage
Seat Material Rubber
Series 3000SS
Strainer No
Tradename None
Type Kit



AMES 3000SS OSY - 3" - Double Check Detector Assembly DCDA - (0692743)

SKU: 0692743