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    Horizontal filter looped distribution and lateral system from Waterco

    Waterco

    Waterco  have introduced a looped lateral configuration for their entire range of commercial horizontal fibreglass filters. Conventional horizontal filter lateral systems consist of straight piping fitted with laterals along the length of the horizontal filter.

    A conventional lateral system results in uneven fluidisation of the filter media bed. The beginning of the lateral system experiences a strong flow of water, which gradually decreases along the length of the lateral piping. Backwash flow also decreases towards the end of each lateral, resulting in non-uniform lifting of the filter media bed.

    Waterco have improved the hydraulic efficiency their horizontal filter lateral system by looping their horizontal filter’s distributors and laterals. A looped distribution / lateral system provide a more natural flow of water through the filter than a conventional lateral system.

    A balanced water flow over the filter media bed’s surface ensures optimum water filtration and a more balanced fluidisation of the filter media bed is achieved during backwashing. Its individual laterals are shortened while maintaining media bed coverage, reducing the friction head loss of each lateral and further improving the filter’s hydraulic backwash efficiency.

    Waterco’s looped lateral system reduces backwash run times, saves water and produces flatter more uniform media bed after backwashing.

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