Radial- and thrust bearing are of journal type lubricated by the motor liquid – water filled construction

Multistage variable-speed submersible pump for raw water supply

The SMART Digital DDA-C is a compact positive-displacement diaphragm dosing pump with variable-speed drive (stepper motor) and intelligent control electronics with minimum energy consumption

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crie 10 4 a ca a e hqqe 99340977 Radial- and thrust bearing areVertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). Pump materials in contact with the liquid are in stainless steel. A cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. Pipe connection is via FlexiClamps. The pump is fitted with a 3 phase, fan cooled, permanent magnet, synchronous motor. The motor efficiency is