Description
The W Series Motor W8B-450TN is a 45.00KW 525V D.o.l eco-friendly wet type, water filled rewindable motor. It features water lubricated thrust and journal bearings, and is pre-filled with clear, cold, pure, fresh, filtered water. It is dynamically balanced and has pressure equalizing rubber diaphragm to guard against pressure and volume variations of the water inside the motor. The shaft seals and sand guard prevent ingress of well water sand and fiber particles into the motor.
8" Submersible Water Filled Rewindable Motors
Description
Three Phase Dol
Motor power in kW
45
C.R.I. "W series" motors are deep well / bore hole rewindable submersible type, pre-filled with water, which acts as coolant and lubricant. These motors are available in three phase power supply and suitable for both normal & high temperature applications. Rotors are supported with bush and thrust bearings to withstand maximum axial and radial thrust loads. All mounting dimensions are in accordance with NEMA standards.
Specification
Nominal Diameter
8"
Series
Water Filled Rewindable Submersible Motors
Power Range kW
Three Phase : 37 110 kW
Speed
2900 rpm
Versions
Three Phase : 380V 415V, 525V, 50Hz
Method of Starting
Direct On Line (DOL), Star Delta (SD)
Maximum Down Thrust Load
45500N
Type of Duty
S1 (Continuous)
Degree of Protection
IP 68
Class of Insulation
Y
Max.Temperature of Liquid
Standard 30?C , High Temperature 50?C
Minimum Cooling Flow Along the Motor
0.5 m/sec
Starts per Hour
12 Times
Available M.O.C
Type B,S,T
Features
High efficiency
Water lubricated rewindable motor
Corrosion resistant stainless steel motor body
Extremely hardwearing and water lubricated bearings
Special design for hot water
Can be easily dismantled and repaired
Application
Water supply
Industries
Agriculture
Commercial buildings
Pressure boosting
Water transfer
Sprinkler and pivot irrigation system
Construction & mining De-watering
Fountain
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