Zurn Wilkins 6" 350ADABG - Double Check Detector Backflow Preventer with Butterfly valves

The Zurn Wilkins 6" 350ADABG Double Check Detector Backflow Preventer (with butterfly valves) is ideal for fire protection applications, with a metered by-pass to detect leaks and unauthorized water use.
Used in low health hazard applications.
6" double check detector assembly - grooved gate valve connections with grooved end butterfly valves with integral supervisory switches.
Short lay-length for small space installation.
Reliable performance and improved flow characteristics from patented Compound Check.
Resilient wedge OS&Y gate valves standard.
Approved in horizontal and vertical positions.
Available in flanged, grooved, or grooved x flanged end connections for installation versatility.