What are the main functions of the two types of cabinet centrifugal fans?
We are no strangers to cabinet-type centrifugal fans. The impeller of this equipment is made of high-quality galvanized sheet, and the main shaft is made of 45# steel after being modulated and processed. Then the main components of the two types of cabinet-type fans What are the roles? So what are the main functions of the two types of cabinet fans?
The motor is externally mounted, which can be used for fire-fighting smoke exhaust and general ventilation. If equipped with a two-speed motor, the fan can operate at low speed at ordinary times, which is used for general ventilation; and when a fire is alarmed, it will automatically turn to high speed for fire and smoke exhaust. The built-in motor can only be used for general ventilation. Since the B-type machine has lower noise than the A-type machine, the B-type machine can be preferred only when the fan is only used for ventilation. So only when the fan is only used for ventilation, the B-type machine can be preferred.
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