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Brutal grinding power

Posted: Tuesday 4th December 2012

Börger’s new Rotorrake has been designed for simple yet highly effective size reduction of coarse solids in wastewater treatment applications.

Reversible knife rotation against fixed counter knives bring about the Rotorrake’s course macerating effect for chopping and grinding tough solids such as rags and plastics.

Easy to service with Börger’s renowned Maintenance in Place (MIP) that includes a quick-release cover and single screw removal for access, Rotorrake is also modular and has a small footprint.

Blockage-free Rotorrake achieves its highly effective size reduction of solids with throughputs of up to 800m3/m (3,500 usgpm), with centrifugal forces aiding the collection of any stones or debris that drop into its large stone trap, which can then be easily empted via a front cover.




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