Controlled Volume Metering Pumps
For tightness and safety: LEWA diaphragm metering pumps
LEWA diaphragm metering pumps are reciprocating positive displacement pumps and offer high metering accuracy and are the standard for safety and hermetical tightness, especially when conveying of critical fluids is concerned.
A diaphragm separates the fluid conveyed from the drive unit, a contamination of the drive unit with the fluid conveyed is safely prevented. LEWA’s principle of construction assures that the diaphragm always moves in the optimum working range. To maintain the lowest stress possible on the diaphragm it is hydraulically actuated in these LEWA metering pumps which, in connection with the Diaphragm Protection System ( DPS ), guarantees an extremely long diaphragm service life combined with an easy start-up even under adverse suction conditions.
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The innovative and universal metering pumps with Diaphragm Protection System DPS series in proven modular design.
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The chemical injection metering pumps
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Standard diaphragm metering pumps for the low pressure range with mechanically actuated 4-layer PTFE diaphragm for multiple safety. Can be combined to form a multiplex pump.
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LEWA Microflow- Metering Pumps
These micro-metering pumps with hydraulically actuated metal diaphragm are predominantly used in the laboratory and for process research in pilot plants.
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