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Disk filter

 
Sci-Tech Dictionary: disk filter
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(¦disk ¦fil·tər)

(engineering) A filter in which the substance to be filtered is drawn through membranes stretched on segments of revolving disks by a vacuum inside each disk; the solids left on the membrane are lifted from the tank and discharged. Also known as American filter.

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Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (June 2009)

A disk filter is a type of water filter used primarily in irrigation, similar to a screen filter, except that the filter cartridge is made of a number of disks stacked on top of each other like a pile of poker chips. The water passes through the small grooves in between and the impurities are trapped behind. Some types of disk filters can be backflushed in such a way that the disks are able to separate and spin during the cleaning cycle.


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