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.
