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Piston/diaphragm pumps

Faure Equipements builds piston/diaphragm pressure pumps that are specially designed for supplying filter presses.

Operating performance levels and principles

The proposed range provides supply flows ranging from 750 to 7500 L/h for COTRE series pumps and from 10,000 to 15,000 L/h for HYDRA series pumps.

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The operating principle of these pumps is based on the displacement by a piston of a volume of oil, which acts directly on a diaphragm. This diaphragm is alternately drawn in and pushed out, and the product is then transferred through two ball valves.

The strengths of piston/diaphragm pumps

Piston/diaphragm pumps have many advantages. They automatically regulate the flow according to the pressure in the filter press.

These pumps can be used on products of any type – abrasive or corrosive – particularly as the pumped product does not come into contact with any mechanical parts. Some parts may be manufactured in stainless steel if necessary. These pumps are therefore robust, have a long service life and are easy to maintain.