The 6" 475DASCFM Reduced Pressure Detector Backflow Assembly, with OS&Y gate valves and sensus cubic feet meter, is utilized in high hazard, fire protection applications to protect against both backsiphonage and backpressure. The 475DA is shaped in the n-Pattern design and is ideal for new or retrofit installations in compact spaces. The models small footprint is ideal for fire protection applications, as well as a metered bypass system to detect leaks and any unauthorized water use, saving you valuable time and money on repairs and maintenance costs.

• The models small footprint is ideal for fire protection retrofits and aids in reducing installation time
• Metered bypass detects unauthorized water usage or leaks
• Designed for installation in fire protection systems where a potential high health hazard exists
• FDA approved fusion epoxy finish and ductile iron body resists corrosion
• 475DA assembled in n-Pattern; 475DAV assembled in vertical up flow z-Pattern
• OS&Y gate valves come standard on the 475DA/475DAV with additional gate valve options and connections available to provide installation versatility
• ASSE® Listed and AWWA Compliant
• Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California