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8" Encapsulated Motors

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Submersible Motors 

Quality in the Well

These 8" encapsulated motors, manufactured in ISO 9001 certified facilities, are built for dependable operation in 8" diameter or larger water wells. It is fitted with water lubricated radial and thrust bearings for maintenance-free operation. A special diaphragm ensures pressure compensation inside the motor. The motor is filled with a special FES91 fluid, providing frost protection down to -15ºC storage temperature. The Sand fighter® SiC seal system is the option for sandy applications.

 

Additional Info

  • Advantages:

     

    • Hermetically sealed stator, anti track, self healing stator resin prevents motor burn out

    • Removable “Water Bloc” lead connector

    • Cable material according to drinking water regulations (KTW approved)

    • Sand slinger and Mechanical seal for high performance in sand

    • High efficiency electrical design for low operation cost

    • All motors prefilled and 100% tested                      

    • Max. storage temperature -15°C - + 60°C

    • Non contaminating FES91 -filling

  • Technical specifications:

     

    Standard Motor

    • 30 ... 150 kW

    • 8" NEMA flange• Protection: IP 68

    • Starts per hour: 10

    • Installation: vertical/horizontal

    • Standard Voltage: 380-415V/50Hz, 460V/60Hz

    • Voltage tolerance 50Hz: -10% / +6% UN [380-415V = (380-10%) – (415+6%)]

    • Voltage tolerance 60Hz: ±10%UN

    • Motor protection: Select thermal overloads according to DIN 61947-4-1

    • Insulation:  Class F

    • DOL / YΔ - start (pos. of cables 90°)

    • Rated ambient temperature:  30°C

    • Cooling flow:  min. 0,16 m/s

    • Built-in Subtrol Heat Sensor

    • Motor lead in 8 m length (KTW approved)

  • Options:

     

    • Other voltages

    • Motors complete in 316 SS

    • PT 100 temperature sensor (sold separately)

    • „Sand fighter®“ Motor with SiC- Mechanical seal

More in this category: « 8" Rewindable Motors