Submersible motors

F.B.’s 4” oil-filled rewindable motors for long-term operation in wells with diameters of 4” or greater.
The ball bearings are generously dimensioned to ensure the motor long service life.
A special membrane compensates the pressure inside the motor.
 

From 0,37kW to 7,5kW
Flange: 4” NEMA
Protection rating: IP68
Insulation class: F
Number of starting each hour: Max. 35
Installation: vertical or horizontal
50-60 Hz voltage tolerance: -10% / +10%
Minimum cooling rate: 0,10m/s
Installation below the water level: up to 300m
Max. storage temperature: -15°C / +60°C
Motor Cable (WRAS, KTW, ACS approved) food grade 0,6 / 1kv

• All parts in contact with water are made of AISI 304 stainless steel
• Industry-leading efficiency with low operating costs
• Protruding shaft made of AISI 304 stainless steel up to 2.2kW. DUPLEX from 3kW up to 7.5kW
• The power cable plug prevents oil from leaking out during operation
• The power cable complies with drinking water regulations
• The cast iron upper motor support has been treated with cataphoresis to prevent corrosion
• The sand-proof seal protects the mechanical seal from sand
• The ball bearings are suitably dimensioned for up to 5.000 N
• Ceramic mechanical seal
• The motors are pre-filled with food grade oil