The 350ASTDA Double Check Detector Backflow Preventer 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.
Features:
•4″ double check detector assembly with sensus cubic feet meter and grooved end butterfly valves with integral supervisory switches
•Short lay-length for small space installation
•Available as 350ASTDAR for backflow replacements/retrofit
•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