https://www.floods-barrier.com/product/en/Water-Gate-Flood-Barrier.html
Quick and easy to deploy. Once finished, just break down and store to be used again when needed.
water gateflood barrier
https://www.unitedwaterproducts.com/catalog/Water-Works.cfm?C=1
Gate Valves to American Water Works Association AWWA C509/C515, Ductile Iron, UL Listed and FM and WRAS Approved for use in the Water Works Industry. Fast...
water worksductile irongatevalvesul