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These 8 inch rewindable motors are built for dependable operation in 8 inch diameter or larger water wells. It is fitted with water lubricated radial and thrust bearings for maintenance free operation. These 8 inch rewindable motors, manufactured in ISO 9001certified facilities, are built for dependable operation in 8 inch diameter or larger water wells. It is fitted with water lubricated radial and thrust bearings for maintenance free operation.
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- 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
- Maximum storage temperature -15 °C to +60 °C
- Designed for retrofitable Pt100 sensor
- Non contaminating FES93 filled design
- Standard Water Well Construction is cast iron end frames epoxy coated with 316SS stator
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– 8″ double flange NEMA mounting design
– Stainless steel splined shaft
– Factory filled with Franklin’s FES93 motor fill solution for frost protection down to -15 °C storage temperature
– Liquid lubricated radial bearings and High capacity Kingsbury type 45 kN 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 -
– Ratings: 30 – 93 kW
– Max. storage temperature – 15 °C to + 60 °C
– Standard motor with PVC winding insulation
– Nominal ambient temperature: 30 °C
with 0.2 m/s cooling flow for 30 – 52 kW motors
with 0.5 m/s cooling flow for 55 – 93 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: 10 starts/ hour (with min. 3 minutes resting time), equally distributed
– DOL / YΔ – start (pos. of cables 90 °)
– Motor lead length: 6 m
– Vertical and horizontal operation, shaft upwards (93 kW motors may not be installed in horizontal position)
– Rotation counter clock wise facing shaft end (rotation reversible)
– All motors with factory installed leads