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These 6-inch rewindable motors are built for dependable operation in 6-inch diameter or larger water wells. Water lubricated thrust and radial bearings enable a maintenance free operation. The SAND FIGHTER™ SiC seal system is the standard option for applications in aggressive media, motors made of 304SS, 316SS and 904L are available.
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– Ratings: 4 – 37 kW
– Max. storage temperature – 15 °C to + 60 °C
– Standard motor with PVC winding insulation (37 kW Standard with PE2/PA insulation)
– Nominal ambient temperature: 30 °C
with 0.2 m/s cooling flow for 4 – 15 kW motors
with 0.5 m/s cooling flow for 18.5 – 37 kW motors
– Standard Voltage: 380 – 415 V (50 Hz), 460 V (60 Hz)
– Voltage Tolerance: 50 Hz: -10 % / +6 % UN [380 – 415 V = (380 – 10 %) – (415 + 6 %)] 60 Hz: ±10 % UN
– Protection IP68
– Motor protection: DIN 61947-4-1
– Frequency of starts: 20 starts/ hour (with min. 3 minutes resting time), equally distributed
– DOL / YΔ – start (pos. of cables 90 °)
– Motor lead length: 4 m
– Vertical and horizontal operation, shaft upwards (37 kW motors may not be installed in horizontal position)
– Rotation counter clock wise facing shaft end (rotation reversible)
– All motors with factory installed leads -
– 6″ NEMA mounting design
– Stainless steel splined shaft
– Factory filled with Franklin’s FES93 motor fill solution
– Liquid lubricated radial bearings and High capacity Kingsbury type thrust bearing for 100 % maintenance free operation
– Pressure-equalizing diaphragm, spring pre-loaded
– SandFighter™ sealing system with SIC mechanical seal and sand
slinger
– High efficiency electrical design for low operation costs
– Drinking water approvals -
– Max. storage temperature – 15 °C to + 60 °C
– Ratings: 4 – 37 kW
