- 8 November 2006 -

Larox peristaltic pump can be used in brewing

Larox's LPP peristaltic pumps can now reliably handle kieselguhr (aka diatomaceous earth or diatomite). Kieselguhr, used in brewing, is extremely abrasive, and can cause severe wear in conventional pumps.

To optimise the pumps' filtration efficiency, Paulaner Brauerei, the largest brewery in Munich , Germany , replaced a traditional hose pump with a Larox peristaltic pump (LPP 40) to feed kieselguhr to a pressure filter which dewaters the spent kieselguhr before disposal. During the filter feed, the feed line pressure increases from 0 to 7.5 bar. This pressure controls the pump speed through a frequency inverter whilst the pressure pulsation in the feed line is minimised. Since its installation in June 2005, the pump has been in continuous operation, Larox says.

www.larox.com

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