Filter press applications
Published: 19 January, 2017
HYDRA-CELL pumps are reported to be finding favour in filter press applications for both chamber feeding at high pressure and for fuelling the cloth washing operation.
Acid washing of filter cloths is used extensively in metal finishing. A low pressure acid solution is recirculated through the filter press to partially dissolve and dislodge the solid particles that ‘blind’ the cloths. Particles in this aggressive recirculating solution can cause catastrophic damage to pumps with dynamic seals but being seal-less by design, Hydra-Cell pumps are reported to be unaffected and give many years of trouble-free service.
Now, with the addition of the Q Series high horsepower quintuplex pumps, the Hydra-Cell range is said to cover virtually all flow requirements for this application.
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e: NHerrington@wannerint.com
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Hydra-Cell pumps from WANNER are said to meet the challenges of flue gas scrubbing in terms of corrosion resistance and their ability to handle abrasive particulate matter. The company says in the wake of the recent automotive emissions scandals, air pollution control has again taken ‘centre stage’ and the challenge of minimising the environmental impact of industrial processes has never been greater.
WANNER INTERNATIONAL says Hydra-Cell pumps are increasingly being specified and retrofitted in pipeline sampling installations used for analysis during oil transfer - data that can be essential for identification or quality measurement purposes.
WANNER INTERNATIONAL offers a wide selection of Back Pressure Valves and Pressure Relief Valves which it claims are ideal for use in chemical dosing systems and complement its Hydra-Cell diaphragm pumps.
WANNER INTERNATIONAL says that although positive displacement pumps are unquestionably more energy efficient than multistage centrifugal pumps, not all positive displacement pumps are equal in that respect.
