Product category:
Bearings, lubrication, oil and filters
News Release from: SMC Corporation of America | Subject: Series FN1 Filter
Edited by the Processingtalk Editorial
Team on 05 March 2004
New filter has no replaceable elements
SMC Corporation of America has announced the release of the Series FN1 Filter designed for machine tool and general machinery industries, with a unique patented element design and back-flush feature
SMC Corporation of America, the world's largest manufacturer of pneumatic products and filtration equipment has announced the release of the Series FN1 Filter designed for machine tool and general machinery industries With a unique patented element design and back-flush feature, the Series FN1 filter from SMC generates no industrial waste, as there are no replaceable filter elements, thus saving you cost of filter elements, maintenance and help achieve your goal to be environmental friendly to meet ISO 14001 standard
This article was originally published on Processingtalk on 24 Oct 2006 at 8.00am (UK)
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The element of the FN1 filter 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 allow the foreign matter to be back flushed and washed away for collection, eliminating the need for element replacement and providing a low maintenance operating regime.
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Recompressing continues normal operation.
The process of filtration and back flushing cycle can be carried out manually or automatically.
The control circuit for the cycle operation can be built using a totally pneumatic or electro pneumatic circuit, for which SMC provides the required pneumatic components.
In automatic operation, a differential pressure switch indicates filter element clogging.
The FN1 series filter operates in tandem with the FNR reservoir, which stores the fluid required for back flushing, and 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 ammonia 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 cylindrical type has a smooth peripheral surface, as the dimensions of the filter plate and wave washer are the same.
The element is ideal for filtering fluids that contain dust with same particle size, as it provides a larger filtration area and easier dust separation.
The step type element has an uneven (stepped) surface, since the dimensions of the filter plate is smaller than that of the wave washer, and is recommended for fluids containing dust particles with large variance in sizes Element lengths are either 250mm or 500mm with respective flow rates of 40 liters per minute and 80 liters per minute (at 20-micron filtration).
Compatible reservoirs have tank capacity of either 1.1 litres or 1.8 litres.
Maximum operating pressure of the filter is 1.0 Mpa and maximum fluid temperature is 80C.
For larger flow rates SMC also offers 200 litres per minute filter as a special, and also the standard filters can be mounted in parallel.
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