Zurn Wilkins 12" 350DA Double Check Detector Backflow Preventer

The Zurn Wilkins 12" 350DA Double Check Detector Backflow Preventer is ideal for fire protection applications, with a metered by-pass to detect leaks and unauthorized water use.
Used in low health hazard applications, the body is epoxy coated ductile iron.
12" double check detector assembly with sensus cu ft meter - flanged gate valve connections with OS&Y gate valves (standard).
Short lay-length for small space installation and single access cover reduces maintenance downtime.
For use in low health hazard applications.
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.
No threads or taps in body or cover, eliminating exposure to corrosion