“POLIDEF-VV” drainage and distributional system

“POLIDEF-VV” drainage and distributional system of double purpose (water-air) is designed for water collection and distribution, as well as air barbotage of the filtering filling in non-pressure quick filters at water conditioning plants and waste water final treatment facilities.

1. Intensification of granular filling cleaning processes.
2. “POLIDEF-VV” drainage and distributional system may be used in cases, when it is hard to place an aeration system in the tank.
3. Conformance of all structural and hydraulic parameters to the requirements of SNiP (sanitary norms and regulations).
4. Reduction of reconstruction expenses.