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Fresh Air Fans
| The fans are used in all shop floors, specially those with furnaces, foundries and heat-producing apparatus. Factories with large number of workers and machines, cooling of different products. |
 
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Fresh Air Propeller Fans We manufacture a wide range of fresh air propeller fans and air circulator fans in following types:
• Wall mounting fans
• Pedestal Fans
1. Pedestal Fans
These are available in the following specifications:
• Motor Pressure die cast aluminium rotor mounted on prelubricated double ball bearings.
Operational Features:
• Continuously rated motor operating on 230 volts single phase or 440 volts three phase and 50 Hz A.C. supply.
• Single phase motors are capacitor start and run, three phase motors are conventionally wound and star connected.
propeller
• Cast out of aluminum alloy, it is duly machined, ground, polished and dynamically balanced.
• The propeller is designed to provide circulation of a large volume of air over a greater distance at a minimum sound level.
2. Wall Mounting Fan
• The fan is mounted on the wall by means of a bracket.
• The angle of inclination/tilt can be varied from 22° to 45°.
• The motor can be swivelled about its vertical axis.
• In case of oscillating models the minimum angle of oscillation is 85°.
Optional Features:
• Acid Alkali Resistant Treatment: Fans are specially coated for applications where the fan is exposed to corrosive atmosphere.
• Stepless Speed Regulator: These may be provided on single phase models for speed regulation.
• Flame proof construction: Non oscillating fans are fitted with flame proof motors and are suitable for operation in hazardous location of gas group IIA IIB as per I.S. 2148:1981. 36"(900mm) Sweep Air Circulators can be supplied against special order. |
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Man Coolers Man coolers (tubular, wall mounting, pedestal) consist of specially designed aerofoil impeller cast in aluminum alloy, coupled directly on motor shaft the motor with the impeller assembly is mounted on a cradle. Tubular Provision is made for adjusting the angle of air stream these fans are portable in nature and can be made to stand even on rough surfaces. A long Casing for the impeller system provides an effective means of canalizing air stream in any desired direction. Wall Mounting These fans can be mounted on the wall or on colum to save floor space. Provision is made for varying the direction of air stream, both vertically and horizontally by providing a tilting head arrangement. Pedestal Type The entire assembly is mounted on a steel colum and fitted on the heavy base. These are portable in nature.
MAN COOLERS CAN ALSO BE SUPPLIED WITH FLAME PROOF MOTORS AS PER I.S.2148: 1981
| Sweep (Inches/mm) | Speed (RPM) | Motor (HP) | Total Air Delivery at a distance 10 times Blade Sweet (m3/h) | Minimum Peak air Velocity at a distance of | | 10 Times Blade Sweep (M/MIN) | 15 Times Blade Sweep (M/MIN) | | 19 in(483 mm) | 2900 | 3 | 22000 | 250 | 200 | | 24 in(610 mm) | 1440 | 1 | 28000 | 250 | 150 | | 30in(762mm) | 1440 | 2 | 37500 | 250 | 150 | | 36 in(914 mm) | 960
1440 | 2 | 56000
65000 | 250
275 | 150
175 | | 48 in(1220 mm) | 960 | 5 | 74500 | 250 | 150 | |
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