Categorie: Motoren

Encapsulated motors for well pumps

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Technical specifications:

– Power range: 4 kW to 45 kW
– Encapsulated, resin-filled stator
– Suitable for use with variable speed drive*
– 6″ NEMA mounting design
– Maximum ambient temperature: 35°C at a minimum cooling current of 0.16 m/s
– Voltage tolerance: ±10%
– Protection class: IP68
– Insulation class: B
– Start frequency: up to 20 starts per hour, at regular intervals
– Suitable for vertical and horizontal installation
– Maximum immersion depth: 350 metres

*When using a frequency converter, output filters are required, depending on cable length.

Source pumps rewindable oil-filled motors

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The 6″ WPS® oil-filled motors are specially designed for connection to 6″ WPS® well pumps and are mainly used for pumping water from drilled wells.
The motors are externally manufactured from stainless steel and suitable for both continuous and intermittent operation in a variety of domestic and industrial applications.

– Technical specifications
– Motor housing, shaft and bottom part made of stainless steel AISI 304 (AISI 316 on request)
– Axial and radial thrust ball bearings
– Mechanical shaft seal: graphite/ceramic (optional: silicon carbide – SiC)
– Filled with special coolant for optimum lubrication and extended service life
– Super-large compensating diaphragm and integrated sand protection
– Protection class: IP68
– Removable motor connection cable
– 6″ NEMA flange
– Axial pressure load up to 20,000 N
– Energy-efficient electrical design
– Easy to disassemble and rewind

Well pumps rewindable water-filled motors

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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

Franklin motors

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Technical specifications

Capacities:
– 6″ motor: 4-37 kW
– 8″ motor: 30-93 kW
– 10″ engine: 85-185 kW
– 12″ motor: 185-400 kW

– Water-filled, rewindable stator
– PVC winding insulation (frequency control only allowed with PE2/PA option)

Mounting design:
– 6″ and 8″: NEMA flange
– 10″ and 12″: double flange

Maximum ambient temperature at 0.5 m/s cooling current:
– 6″, 8″ and 12″ motors: 30°C
– 10″ motor: 25°C

– Voltage tolerance: -10% / +6%
– Protection class: IP68 / Insulation class B

Starting frequency:
– 6″ and 8″ motors: max. 20 starts/hour, at regular intervals
– 10″ motor: max. 10 starts/hour, at regular intervals
– 12″ motor: max. 5 starts/hour, at regular intervals

Vertical and horizontal operation
(Models 6″ to 37kW, 8″ to 93kW and 10″ to 185kW are suitable for vertical installation only)