PROPELLER PUMPS

CHARACTERISTICS

Propeller pumps – Propeller pumps

APPLICATION

Handling of clear water, storm – and waste water:

  • Flood control
  • Waste water treatmant plant (pre-treated sewage)
  • Raw water intake for drinking water treatment plant
  • Cooling-water circulation for Industry
  • Large-volume irrigation
  • Filling / emptying of dry docks
  • Fish farming
  • high volume circulation for water parks

Download Leaflet Propeller Pump

SPECIFICATIONS

Discharge size

Motor power P1

DN 600 / DN 700 / DN 900 / DN 1000

21,0 – 170,2 kW

Max. head

Motor power P2

1,0 – 6,7 m

18,5 – 160,0 kW

Max. flow

Speed

1160 – 8290 m³/h

730 / 1450 rpm

INSTALLATION

Single-stage submersible pumps in close-coupled design for permanent usage.

MATERIALS

Motor housing (Grey cast iron GG25) Pump housing (EN-GJS-500-7) Propeller blades (Stainless steel 1.4517) Propeller hub (Grey cast iron EN-GJS-400) Motor shaft (Stainless steel 1.4021) Bolts (Stainless steel) Elastomeres (Nitrile Rubber) Mechanical seal on medium side (SiC / SiC) Mechanical seal on motor side (SiC / SiC) Upper Bearing (Deep Groove Ball Bearing) Lower Bearing (Two angular ball bearings)

PUMPED LIQUID

Max. medium temperature: 40 °C, short term up to 60 °C.

MOTOR

Three-phase electric motors with 4-, 6- or 8-pole winding. Insulation class of winding H (180°C), protection class IP 68. Thermal sensor on all models, embedded in the motor winding. PTC thermistor or PT100 available on request. With seal probe in oil chamber and junction chamber.

SHAFT/BEARING

Robust, maintenance-free, permanently lubricated roller bearings. Temparature monitoring of the shaft bearings available on request.

SEALS

Two independently working silicon-carbide mechanical seals in tandem-arrangement. Oil-filled seal chamber with possibility of control by the inspection screw.

CONSTRUCTION TYPE

Compact unit of motor and hydraulic with axial propeller for Wet-well operation, installation in vertical circular concrete / steel tube. Self-centering and -sealing inside the tube. No additional alignment during assembly. Angle of Propeller blades manually adjustable for exact adaption to duty point. Blade material highly resistant DUPLEX stainless steel. Complete range of monitoring devices ensure fail-safe reliability.

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