About This

Removable Pressure Vessel: The 3/4“ backflow preventer features a removable pressure vessel design, supporting offline maintenance and significantly reducing maintenance time and costs.
Backflow and Back Siphon Prevention: The back flow preventer valve can effectively prevent back-siphonage, back pressure-induced pollution, equipment damage and system failure, ensuring system safety and stability. A perfect solution for irrigation and industrial pipeline systems.
Durable Materials: The 350 double check backflow preventer is made of stainless steel and UV-resistant reinforced nylon, making it corrosion-resistant. Its detachable design can withstand harsh outdoor conditions, ensuring good performance even in extreme environments.
Easy to install: The 34-350 3/4” 350 double check backflow preventer allows for quick and direct installation, supporting both indoor and outdoor use as well as vertical installation, meeting different installation needs and environments.
Notice: Please read the instructions carefully and complete the test as required. The 3/4" backflow valve undergoes strict testing before leaving the factory. Please contact us if you encounter any problems. We are always here.