HYDAC AutoFilt TwistFlow Strainer ATF

Friday, 13 May, 2016 | Supplied by: HYDAC International



Treated process water has a variety of uses in operational areas, such as prefiltration for membrane systems, cooling water, flushing and cleaning water, water spray for dust suppression and seal water. But even with a low concentration of solids and suspended sediments within secondary sedimentation tanks, pretreated water is often not sufficient quality for direct use as service water.

Undissolved organic substances can lead to blockages, deposits and damage to the systems. To achieve appropriate water quality, suitable filters must be connected, enabling impurities within a grain size range of 50 and 250 μm to be filtered out. HYDAC provides a solution with the AutoFilt TwistFlow Strainer ATF, which ensures the production of service water from a secondary sedimentation tank’s runoff.

The product is a self-cleaning filter apparatus for solid-liquid separation, suitable for separating suspended solids up to several grams per litre from treated wastewater. Combining a centrifugal separator and inline filter in one system, it enables fully automatic operation, separation performance, particle retention security, trouble-free operation and low maintenance.

For high flow rates, any number of units can be combined into one system and thus flexibly adapted to the required flow rates. Due to the use of conical slotted tube and sintered wire meshes (with filtration ratings of between 200 and 3000 μm), a precise selectivity and a constant filtrate quality are ensured. Due to the special flow conditions resulting from the element geometry and their arrangement, the pressure drop on the overall unit is low.

The prefiltration of solid particles of a higher density means that the filter surface area can take a correspondingly higher load and the filter size can be comparatively small. The filter elements are cleaned solely by flushing with untreated fluid. The unit is said to save more space than conventional separators.

Online: www.hydac.com.au
Phone: 03 9272 8900
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