The Zurn Wilkins 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.
Features:
•8″ double check detector assembly with OS&Y and post indicator (PI) gate valves
•Utilizes the patented, center-stem guided Compound Check for reliable and superior performance
•Epoxy coated ductile iron body
•Lowest life cycle costs in the backflow industry
•Approved in horizontal and vertical installations
•PI gate valve is a mon-rising stem gate valve with attachment plate for indicator post