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6" Rewindable Motors

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Submersible Motors 

Quality in the Well

These 6" rewindable motors, manufactured in ISO 9001 certified facilities, are built for dependable operation in 6" diameter or larger water wells. Water lubricated thrust and radial bearings enable a maintenance free operation.  A special diaphragm ensures pressure compensation inside the motor. The motor is filled with a special FES93 fluid, providing frost protection down to -15ºC storage temperature. The Sand fighter® SiC seal system is the option for sandy applications. For applications in aggressive   media, motors made of 316SS and 904L are available. 


Additional Info

  • Advantages:


    • 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

    • Design for retrofitable PT100 sensor

    • Approved Franklin Electric „Kingsbury Type“ thrust bearing

    • Non contaminating FES 93 -filling

    • Sand fighter® SiC seal system is standard

    • Standard motors in complete 304SS

  • Technical specifications:


    Standard Motor

    • 4,0 - 37,0kW

    • 6" NEMA flange with Studs (M 12)

    • Protection: IP 68

    • Starts per hour: max. 20

    • Installation position: vertical / horizontal (37 kW motors may not be installed horizontally)

    • Motor Lead in 4m 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

    • YΔ - start (pos. of cables 90°)

    • Standard motor with PVC winding insulation(37kW in standard with PE2/PA insulation) for max. ambient temp. of 30ºC with a min.cooling flow:

    4 kW  - 15 kW   v = 0,2 m/s

    18,5 kW  - 37 kW   v = 0,5 m/s

  • Options:


    • Other voltages

    • Motors in 316 SS and 904 L

    • Motors up to 30kW with PE2/PA winding insulation for max. ambient temp. of 50°C at the same cooling condi-tions as standard (37 kW max. 45°C)

    • PT 100 temperature sensor (sold separately)

    • Lead in different lengths up to 50m

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