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Waterproof motors for ultra-hygienic processes

26 February 2017

Failure to maintain cleanliness standards of electric motors and other equipment can result in product contamination in addition to reducing efficiency and premature system failure. 

Washdown with high-pressure water jets can damage many motors and drives and debris can be sprayed onto equipment, which finds its way beneath rating plates and cooling fins and provides a place that bacteria can thrive. Ingress of water can also permanently damage components.

Solutions exist in the form of waterproof electric motors and variable-speed drives. Gibbons Engineering Group, for example, recently launched its stainless steel motor and ABB ACS355 drive package – offering dust-tight equipment that is fully resistant to high-pressure water jets.

These motors have a smooth surface free of cooling fins or rating plates. There is no paint to peel, chip or flake off, and the IP69K totally enclosed non-ventilated (TENV) casing means they can withstand water jets.

For optimal speed control and energy efficiency, Gibbons can couple the motors with variable-speed drives rated at IP66/67 ingress protection – meaning that they are dust-tight and impervious to water. 


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