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Reducing pump noise by good maintenance

The problem

Pump

While considering the implementation of a noise control programme, a major soft drinks manufacturer was advised that a pump used for transferring fruit juice concentrate from 200 litre drums to the product mixing tanks was producing A-weighted noise levels of 103 dB.

The solution

A preliminary inspection showed mechanical deterioration of the pump which required a complete overhaul to include:

The cost

Nominal costs for staff time. (1995)

The result

A noise reduction of 27 dB.

Source

Report details supplied by Sound Research Laboratories Limited, Wilmslow.

Updated 2010-04-02