About This

Removable Vessel & Offline Servicing: The 1-350 1" double check backflow preventer features a removable pressure vessel design, aimed at reducing maintenance time and costs, and supports offline servicing.
Save Time & Costs: The flushing tool enables quick pipe flushing. A single person can operate it, saving 15 minutes per installation. Over the service life of the dual check valve backflow preventer, 75% of labor and maintenance kit costs can be saved..
Durable Materials: The back flow preventer valve is made of durable stainless steel and reinforced nylon, combining practicality and durability. Needn't to worry about harsh outdoor conditions, as its detachable design maintains stable performance even in extreme winter conditions.
Prevent Backflow and Back-Siphonage: The 350 double check backflow preventer adopts two check valves in series, effectively blocks backflow caused by siphoning or back pressure. It is ideal for irrigation projects, continuous pressure pipeline systems, and other applications.
Quick installation: The 1-inch backflow preventer supports both indoor and outdoor, horizontal or vertical installation, accommodating different piping layouts and installation scenarios.
Reliable after-sales service: The 1in back flow preventer valve is strictly tested before leaving the factory. If any issues, please let us know. We will provide you with a satisfactory solution.