Device to improve the distribution of water flow in sand filters for swimming pools and sand filters.

摘要

"DEVICE TO IMPROVE THE DISTRIBUTION OF WATER FLOW IN SAND FILTERS FOR SWIMMING POOLS AND SAND FILTERS". The present invention relates to a device for improving the distribution of the water flow being fed into the filtration tank of a sand filter for swimming pools and the like, particularly designed to allow the filter to operate efficiently at substantially filtration rates bigger. The device comprises a conical baffle disposed immediately below said selector valve to concentrate the flow of water being introduced into the cylindrical tank around the return pipe, close to the baffle basket.