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Why the electric motor of a fan with backward curved blades never get overloaded?
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Why the electric motor of a fan with backward curved blades never get overloaded?

User Asp Asp
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Answer:

Backward curved fans are “non-overloading” fans because changes in static pressure do not overload the motor. Its hydraulic efficiency is very high. These External Rotor Motor Fans are ideal for cooling at high-pressure conditions.

User Ctrlspc
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