Well pumps rewindable water-filled motors


Technical specifications
– Water-filled rewindable stator with generous sizing
– Equipped with PE2/PA winding as standard; operation with variable speed drive allowed (output filters required depending on cable length)
– Factory filled with non-toxic, water-soluble filler fluid
– 8″ NEMA mounting design – 10″ Franklin mounting design

Power outputs:
– 8″ WPM: 22 kW to 110 kW
– 10″ WPM: 59 kW to 190 kW

– Maximum ambient temperature: 60°C at 0.15 m/s cooling current
– Voltage tolerance: ±10%
– Protection class: IP68 / Insulation class A
– Start frequency: up to 10 times per hour at regular intervals
– Vertical and horizontal operation
(8″ 92-110 kW and 10″ 150-190 kW: vertical operation only)
– Maximum immersion: 500 metres

Kenmerken

Product benefits
– Rotors are balanced and ground along the entire axis
– Industry-leading efficiency with low operating costs
– Stainless steel shaft and motor housing
– Liquid-lubricated radial bearings

Sand protection thanks to:
– Sand protector
– SiC/SiC (silicon-carbide) mechanical seal against sand ingress

– Water-lubricated thrust bearing (Kingsbury-type) with high capacity for 100% maintenance-free operation
– Easy dismantling and maintenance
– Pressure equalising diaphragm
– High-efficiency electrical design for low operating costs
– Produced in ISO 9001-certified factories
– 100% tested
– Suitable for drinking water applications (approved)

Options:
– Special voltages and frequencies
– Star-delta start
– Motor complete in AISI 316, AISI 904L, Duplex and Super Duplex
– PT100 temperature sensor
– Special cable lengths up to 50m
– 4-pole motors