The Zurn Wilkins 6" 350ASTDABG Double Check Detector Backflow Preventer (butterfly gate valves) with stainless steel body 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, allowing for installation in lower-pressure systems.
Available as 350ASTDAR for backflow replacements/retrofit.
Lower maintenance costs from corrosion resistance of stainless body.
Multiple shut-off and end connections available for installation versatility.
Available in flanged, grooved, or grooved x flanged end connections for installation versatility.