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8" Rewindable Motors

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Submersible Motors 

Quality in the Well

These 8" rewindable 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.  The motor is filled with a special FES93 fluid, providing frost protection down to -15ºC storage temperature. A special diaphragm ensures pressure compensation inside the motor. The Sand fighter® SiC seal system is standard. For applications in aggressive media, motors made of 316SS and 904L are available.

 

Additional Info

  • Advantages:

     

    • Easy to assemble with double flange

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

    • Sand fighter® SiC seal system 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

    • Design for retrofitable PT100 sensor

    • Non contaminating FES 93 filling

  • Technical specifications:

     

    Standard Motor

    • 30,0 - 93,0kW

    • 8" NEMA flange

    • Protection: IP 68

    • Starts per hour: max. 10

    • Installation position: vertical / horizontal  (93 kW motors may not be installed horizontally)

    • Motor Lead in 6 m length (KTW approved)

    • 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 EN 61947-4-1

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

    • Standard motor with PVC winding insulation

    • for max. ambient temp. of 30ºC with a min.cooling flow:

    30 kW  - 52 kW   v = 0,2 m/s

    55 kW  - 93 kW   v = 0,5 m/s

     

  • Options:

     

    • Other voltages

    • Motors in complete 316 SS and 904 L

    • YΔ - start (pos. of cables 90°)

    • PE2/PA winding insulation for max. ambient temp. of 50°C at the same cooling conditions as standard

    • PT 100 temperature sensor (sold separately)

    • Lead in different lengths up to 50m

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