4000cfm Centrifugal Blower Fan Medium Pressure Forced Draft Fan

This series of centrifugal fans has high efficiency, low noise and stable performance curve. Mainly used for indoor ventilation, dehumidification and dust removal, etc. in factories and mines, stadiums, opera houses, basements, large and small hotels, restaurants, shopping malls and large buildings. It can also be used as a gas recycler with other types of machinery.

4-72 series centrifugal ventilators is capable of blowing air, ocean air containing salt vapour, and corrosive air which contains oil vapour and a small quantity of acid steam generated by the natural evaporation of the batteries. So it can be used for ventilation of various machinery room and each compartment of boats and ships as well as other likes spaces.
We can supply the fan matching damper seat or steel bracket.

Centrifugal Fan/Blower is used in various industries for a wide range of applications. At Dajing, we design & manufacture the product range keeping in mind the diverse application requirements in the market. The applications are as below:
For Central Air Conditioning System.
For Humidification System.
For Central Air Washer Plant.
For Air Cooling System.
For Ventilation System.
For Exhaust Plant System.
For Air Pressurization System.
For Any Fresh Air OR Return Air/Exhaust Application.

1. The machine is composed of explosion-proof motor, vanes, air duct and others

2. It's in low noise, low consumption and perfect performance..

3. Besides being used for ventilation and exhausting, it also can be installed in series to improve the pressure in pipe.

Centrifugal fan production process:

Henan Dajing Fan Technology Co., Ltd. is located in the hinterland city of the Central Plains and Pearl in the north of Henan Province-Xinxiang. Dajing Fan has been engaged in the design and production of centrifugal fan blowers for 30 years. Strictly implement various standards, focus on the field of ventilation, and committed to creating a good environment! Equipped with high-speed fiber laser cutting machine, CNC spinning machine, high-precision dynamic balancing machine, automatic on-site vibration balancer, comprehensive tester and other special equipment for fan manufacturing.

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