Replaceable machinery filter

Sunday, 10 April, 2005 | Supplied by:

The Series FN1 filter designed for machine tool and general machinery industries has a patented element design and back-flush feature, which means it generates no industrial waste as there are no replaceable filter elements.

The filter element is constructed of a series of grooved filter plates and wave washers placed one above the other and compressed by a compact cylinder on the top of the filter. When the element is compressed, foreign matter in the fluid is trapped in between the plates and washers. Decompressing the element allows the foreign matter to be backflushed and washed away for collection, eliminating the need for element replacement and providing a low maintenance operating regime. Recompressing continues normal operation.

The filter operates in tandem with the FNR reservoir, which stores the fluid required for backflushing, and the FND dust recovery filter for collecting the debris. All three units are primarily constructed of stainless steel SUS304 and form an integrated circuit for industrial waste removal.

The filter is compatible with water (industrial and distilled), water-soluble and oil-based coolants: petroleum (oil, kerosene and xylene) and ammonium hydroxide, sodium hydroxide and alkalis. Seal material is available as either nitrile rubber or fluoro rubber to suit the application.

The filter element is available in two types: cylindrical and step type. The element is suitable for filtering fluids that contain dust with the same particle size as it provides a larger filtration area and easier dust separation. The step type element is recommended for fluids containing dust particles with a large variance in sizes.

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