Technical documentation
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These pumps are used in cases where:
- the liquid being dosed contains a small amount of suspended solids;
- the liquid being dosed is toxic;
- liquid leakage is unacceptable
A built-in safety valve is installed in the hydraulic circuit to protect the diaphragm from excessive pressure.
A special feature of this pump is a special three-layer diaphragm and a reliable diaphragm rupture detection system.
Each pump is equipped with a standard gearbox system and a vertically positioned B14 electric motor, profiled according to UNEL-MEC specifications.
The motor power range is from 0.18 kW to 0.75 kW.
A selection of alternative options is available, including different voltages, insulation classes and special explosion-proof versions.
The gearbox has a standard endless screw and wheel worm type, equipped with bearings completely immersed in oil.
The stroke length change mechanism is a positive direct stroke, spring return type, which is actuated by an eccentric.
Max. capacity: 108 (SD 125 N); 418 (SD 175 N); 1068 (SD 250 N).
Max. pressure: 40 (SD 125 N); 40 (SD 175 N); 20.7 (SD 250 N).