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AMES C500 OSY RPDA CFM - 6" - (0191309) - C500OSY6


Lead Free Model Available - 6 In Ss Reduced Pressure Detector Assembly, Colt, Osy Shutoff Valves, Link Check Modules, Cubic Feet Meter


This Colt™ 6 inch reduced pressure 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 health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance. This compact modular design with a single access cover for easy maintenance consists of a stainless steel body with a quick access sleeve, torsion spring check valves, outside stem and yoke resilient seated gate valves, test cocks, and a corrosive resistant bottom mounted pressure relief valve. It comes furnished with a cubic feet per minute meter to detect underground leaks and unauthorized water use.



  • Furnished with a cubic feet per minute meter
  • Bottom mounted stainless steel relief valve
  • Drip tight shutoff valves
  • Entire valve body and closure sleeve is manufactured from 304 (schedule 40) stainless steel
  • Torsion spring check modules
  • Bronze body nickel plated test cocks
  • Groove couplings allow for easy installation and pipe alignment
  • Compact design allows for small enclosures to be used
  • UL and FM outside stem and yoke resilient seated gate valves


Backflow Preventer Type Reduced Pressure 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 737733003076
Elbow Fitting Yes
Hazard Protection Level Health Hazard
Hot And Harsh Water No
Hydrant Connection No
Inlet Connection Size 6 IN
Inlet Connection Size-Metric 150 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 140
Maximum Working Pressure-BAR 12.10
Maximum Working Pressure-PSI 175
Meter Type CFM
Minimum Temperature - Celsius 0.50
Minimum Temperature-Fahrenheit 33
Outlet Connection Size 6 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 0191309
Polymer Coating No
Pressure Operation Continuous
Protection Type Backpressure and Backsiphonage
Seat Material Rubber
Series C500
Strainer No
Tradename Colt
Type Kit



AMES C500 OSY RPDA CFM - 6" - Reduced Pressure Detector Assembly - (0191309)

SKU: 0191309