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Patent for sale - smart anti flooding check valve

Advantages of the system:
- a solution for a manholes and a rainwater gully pits overflow
- system pauses water in a higher placed city areas
- it splits stormwater drainage system into parts - protects the system from overpressure
- it enables to dehydration of the lower placed city areas as a priority
- it provides the constant water flow to the pumping station

schematic visualisation movie:

patent aplication:

I have one more patent aplication which is improvement of this one.


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