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Authorised Dealers of : |
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Crompton Greaves Electric Motors & Exclusive Dealer for CROPMTON GREAVES Crane Duty Motors |
* Industrial Motors * Energy Efficient Motors (EFF-1)
* Flame Proof Motors * Crane / Hoist Duty Motors |
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PRECISION ENGINEERING WORKS
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* Single Phase / Three Phase TEFC Motors
* Single Phase / Three Phase Flame Proof / II C Motors
* Domestic Pumps * Monoblock Pumps * Submersible Pumps |
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Induction Motors |
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ELECTRICAL |
MECHANICAL |
Non Standard Voltage And Frequency Variation |
Non Standard Mounting Dimensions |
Duel Voltage (1:2 or 1:root 3 Ratio)
Triple Voltage (1: root 3 : 2 Ratio) |
Special shaft Extension |
Inverter fed Supplies And AC Variable Speed Drives |
Double shaft Extension |
Multispeed Motors Upto 4 different speeds Motors |
Separately Ventilated |
Energy Efficient Motors |
Low Vibration & Noise Level |
High Slip Motors |
Shock Grade Motors |
Motors For Frequent starts/stops/reversals (e.g. crane duty) |
Motors for Hazardous areas |
Torque Motors |
Motors For Dust Laden Atmosphere |
High Frequency Motors |
Brake Motors |
Textiles Motors |
Geared Motors |
10,12,16,18,24,32 Pole Motors |
Special Bearings like Thrust Bearings |
Special Performance Requirements |
Tacho Mounting |
Class H insulated Motors |
Non Standard Paint Shade and Painting Procedure for
required Dry Film Thickness |
Motors With Service Factor |
Fabricated Steel Enclosure |
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Alternate Terminal Box Position |
Slipring Motors with Bar-wound rotors for Frames 280 to 355 |
Special Shaft Material |
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Stainless Steel/ Brass Hardware, Accessories like
Resistance Temperature Detectors, Bearing Temperature Detectors, Thermocouples, Plug & Socket |
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Custom Size Fabricated terminal box & Terminal
Arrangements. |
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Canopy |
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Energy Efficient Motors
Special design Features :
Higher efficiencies are achieved by following special features
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Low loss special grade of thinner laminations. This reduces the Iron loss even at partial loads. |
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Thicker conductors and more copper contents reduce copper loss due to lower resistance. |
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Longer core length, reduced and uniform air gap between stator and rotor to reduce stray losses. |
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Special design of fan and fan cover to reduce windage Losses. |
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Flame Proof Motors
Another first from CGL : Flame proof motors for Gas group IIC
CGL has enjoyed your confidence for years, whenever there was a need felt for a motor to be used in explosive atmosphere.
Our Standard range of flame proof motor confirms to Energy Efficient level 2 as per IS 12615 (EFF1 optional). This range is suitable for Gas groups I, IIA, IIB as per IS 2148 with temp class T4.
Indian statutory approvals like CMRI, DGMS, CCE, DGFSLI are available for complete range of squirrel cage & slip ring motors. BASEEFA approval is also available for the complete range making the motor's globally acceptable.
Now to meet the growing need for motors for use in Gas group IIC atmosphere, we have developed a complete range from E80 to E315L frames (0.18 to 200 kW). This range is duly approved by CMRI Dhanbad |
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Crane Duty Motors
APPLICATION :
Crompton Greaves squirrel cage! slip ring crane duty motors are specially designed for service on cranes and hoists. They can also be used for similar applications such as material handling, weirs and sluices, and lifts of all types. These motors can serve as auxiliary motors in rolling mills or wherever intermittent drives are required.
These are duty type rated motors developing high starting torque with low starting current. The motors are suitable for frequent starts/stops and reversals. Also rapid acceleration is achieved by high pull out torque/rotor inertia ratio.
RANGE :
Tables on page nos. 6 to 18 indicate the frame v/s output relationship for slip ring crane duty motors. Tables on page nos. 19 to 27 indicate the frame v/s output relationship for squirrel cage crane duty motors.
MOUNTING :
Squirrel cage crane duty motors are supplied with horizontal foot-mounting. However, motors suitable for vertical foot / flange / face-mounting or any combination of these can be offered when required. Slip ring motors are normally available with foot mounting. Flange mounting can be supplied on specific request. |
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