A Rain Bird disk filter is a type of irrigation filter, similar to a screen filter, except that the filter cartridge is made up of a number of disks stacked on top of each other like a pile of poker chips.
The filtration element consists of grooved discs, mounted on a spine, forming a cylindrical filter element. The water passes through the small grooves in between the disks which are compressed together by a spring located at the bottom of the filter cover and the impurities are trapped behind. Disk filters can be back flushed in such a way that the disks are able to separate and spin during the cleaning cycle.
Rain Bird Corporation supplies custom configured disk filters from 50 GPM to 4000 GPM.
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