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  • Description

    Depending on the type of water, suspended solids concentration, oil and grease, COD/ BOD, iron contents, sand filters are sized differently, but the basic design data to clarify natural waters are the following:

    Filtration velocity; 6-15 m3/h.m2

    Diameter; 50 cm to 1m  1 to 3m

    Filtration area; 0,2 to 0,8 m2        0,8 to 7 m2

    Flow rates; 10L/h to 10 m3/h      10 to 100 m3/h

    Pressure ratings               ;  4 to10 bar

    Vessel Materials; Epoxy-coated steel, Polyester composite, Stainless steel (on request)

    Bed depth; 1 meter min.

    Filtration media                Anthracite; 1.4-1.5 mm

    Sand 0.4-0.8 mm

    Sand 1.0-2.0 mm

    Gravel 2.0-3.15 mm

    Gravel 3.15-5.6 mm

    Top manhole; 2 1/2 to 6"DN 400

    Accessories; 5-ball or butterfly valves     5-butterfly valves

    Options                ; Manometers, degaser, flowmeter

    Control Automatic or manual backwash, on timer and/or differential pressure

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