4-72 series large flow centrifugal induced draft fan
The 4-72 type large flow centrifugal fan is the earliest and most widely used fan in China. It is suitable for indoor ventilation and air exchange in general factories and large buildings, transporting air and other non-combustible, non-harmful to human bodies, and non-corrosive to steel materials gases. It is used for conveying clean air or lightweight materials at ambient temperatures and is most commonly used in industrial furnaces for air supply, transportation of lightweight particles/powders/debris/fibers, material drying/cooling, ventilation, and smoke exhaust. The gas must not contain viscous substances, and the dust and hard particles must not exceed 150mg/m³, with the gas temperature not exceeding 80°C.
Product Features:
①Can output a large gas flow while meeting pressure requirements, with low noise.
②Fan speed can be flexibly set by matching different pulley diameters, ensuring operation at the highest efficiency point to reduce energy waste.
③Provides motor sliding rails for easy belt tensioning, reducing energy loss due to belt slack.
④When airflow resistance increases, the motor load will automatically decrease, preventing motor burnout.
⑤Easy installation with the use of an overall bracket, requiring minimal technical support.
⑥All units are subjected to operational testing and vibration value checks after production, ensuring reliable operation.
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