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34-350 3/4' 350 Double Check Backflow Preventer, Back Flow Valve, Backflow Preventer, Double Check Valve Assembly

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$152.99

$ 73 .99 $73.99

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About this item

  • Worry-free flushing: The 3-4 350 double check backflow prevention valve comes with a flushing tool (FLUSH) to easily flush the pipeline.
  • Durable material: The backflow prevention valve is made of stainless steel and UV-resistant reinforced nylon, which is corrosion-resistant, wear-resistant, and pressure-resistant. It can adapt to harsh working conditions and has a long service life.
  • Efficient maintenance: The double check backflow prevention valve has a simple structure, the pressure vessel is detachable, and daily inspection and repair are easy, which significantly improves efficiency.
  • Applicable to multiple industries: The backflow valve is designed to save water and is compatible with water, gas, oil and other media to meet the needs of multiple industries.
  • Convenient installation: The double check backflow preventer valve is 3/4" interface, which fits common pipelines, eliminates complex modifications, and saves time and cost.


3/4" 350 Double Check Valve Assemblies are used in low health hazard non-potable water applications to prevent siphonage and back pressure of contaminated water.

Feature：

1. Removable pressure vessel allows for simple, cost-effective maintenance and repairs, easy line flushing, rapid winterization and water conservation.

2. Stainless steel stop valve handles, hardware and posts are corrosion resistant, and durable UV-resistant reinforced nylon pressure vessel resists corrosion and mineral buildup to better withstand harsh outdoor conditions.

3. OEM Quality: Double Check Backflow Preventer is manufactured to the highest standards, providing users with a reliable and high quality solution.

4. Compliance with standards: Complies with multiple certifications and standards

5. Easy to install: The simple product construction and user-friendly design ensure a smooth installation process