Piston pump GEHO®

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GEHO® ZPM duplex positive displacement pumps are two-cylinder, crankshaft-driven, double-acting piston diaphragm pumps designed for high-pressure pumping of abrasive and corrosive slurries. Our range of GEHO® ZPM double-acting positive displacement pumps are designed for moving abrasive and corrosive slurries with a high solid content, dirty water and process mixtures at the lowest total ownership cost possible. These piston diaphragm pumps contain a unique preformed GEHO® diaphragm that protects the piston and liner from abrasive slurry contact. Frequently used in mining, typical applications include transporting paste tailings, mine dewatering, mine backfill, hydraulic ore hoisting, autoclave and reactor feed, digester feed, tailings disposal, thickened sludge processing and transfer, coal slurry transport, coal gasifier feed and HCSD ash disposal. GEHO® ZPM double-acting piston diaphragm pumps offer the following benefits: Exceptional reliability and high pump efficiency (up to 96%) Can pump solid / liquid slurry mixtures with high pressures or high heads Have a low carbon footprint with low energy water consumption Produce minimal heat during operation Have a unique preformed GEHO® diaphragm that protects the piston and liner from contact with the slurry Have long maintenance intervals Contain valves that can be replaced quickly and have a long service life Contain nitrogen controlled dampener that adapts to changing operating conditions while the pump is still running