Passive self-closing flood barrier uses floodwater to raise it into position
From Superinnovators 01/12/23 Dutch company Hyflo manufactures a patented Self Closing Flood Barrier system that uses floodwater and buoyancy to raise it in to position – once the water has gone the barrier descends back into the ground. One of the earliest deployments was in 1999 at a pharmaceutical factory in Netherlands, with Hyflo established […]