The 4-72-5C-15kW fan is a specific model within the 4-72 series of centrifugal ventilators. Here, "4-72" refers to the fan series model; "5" indicates that the fan impeller has a diameter of 500mm; "C" denotes the drive method as pulley transmission, with the pulley cantilevered outside the bearing; "15kW" indicates that the power of the motor equipped with the fan is 15 kilowatts.

Below is a detailed introduction:

Performance Parameters

- Airflow: Typically ranges between 7782-15455 m3/h.

- Total Pressure: Generally within the range of 1124-3245 Pa.

- Rotational Speed: Approximately 2300 r/min.

- Noise Level: Usually between 70 dB and 90 dB.

Structural Composition

- Impeller: Composed of 10 backward-inclined airfoil blades, a curved front disc, and a flat rear disc, made of steel plate and dynamically and statically balanced.

- Casing: A volute-shaped body welded from ordinary steel plate. Models 2.8-12 feature an integral casing that cannot be disassembled, while models 16-20 have a three-part casing.

- Air Inlet: Designed as an integral unit, mounted on one side of the fan, with a cross-section parallel to the axis that is curved.

- Dampers: Generally equipped with dampers to regulate the fan's airflow. The damper blades are petal-shaped and feature an external drive structure, allowing flexible and convenient adjustment. The adjustment range is from 90° (fully closed) to 0° (fully open).

- Drive Assembly: Consists of the main shaft, bearing box, pulley, coupling, etc. The main shaft is made of high-quality steel. The bearing box is equipped with a thermometer and an oil level indicator.

Features and Applications

- Features: Excellent aerodynamic performance, smooth operation, low vibration, and long service life.

- Applications: Widely used for indoor ventilation and air exchange in industrial and mining enterprises, stadiums, opera houses, basements, hotels of various sizes, restaurants, shopping malls, and large buildings. It can also be used for ventilation in general factory buildings.