Description
EC (electronically commutated) backward curved centrifugal fan is widely used in HVAC systems and industrial applications. This backward inclined centrifugal blower combines the efficiency of a 220mm backward curved impeller design with the advantages of EC motor technology, which meets modern ventilation and cooling needs, contributing to energy savings and improved system performance.
Specification
| Model | ATO-BC-B220C-EC-01 |
| Operating Voltage | 115V AC |
| Shaft Power | 168W |
| Motor Power | 168W |
| Impeller Diameter | 220mm |
| Speed | 3250rpm |
| Air Volume | 1140m3/h (670 cfm) |
| Speed Regulation | 0~10VDC / PWM |
| Signal Output | FG (Frequency Generator) |
| Air Pressure | 950PA |
| Impeller Material | Plastic |
| Casing Material | SPCC+S45C |
| Rotation Direction | Clockwise CW (from the rotor end) |
| Number of Impellers | 7 |
| Operation Mode | S1 |
| Bearing | Ball Bearing |
| Operating Temperature | -25~60℃ |
| Operating Humidity | 5%~90% RH |
| Average Life | 50,000 Hours(L10) |
| Motor Protection | Thermal Protection, Soft Start Protection, Stall Protection, Undervoltage Protection, Overvoltage Protection, Overcurrent Protection |
| Performance | Low Noise Fan |
| Protection Level | IP55 |
| Insulation Level | B |
| Certificate | CCC, RoHS |
| Dimensions (L*W*H) | 220*220*101.8mm |
| Weight | 4.5kg |
Dimension (Unit: mm)
Performance Curve
Detail
Tips: Backward and forward curved centrifugal fan applications
Backward and forward curved centrifugal fans are crucial in HVAC systems, industrial processes, and air pollution control due to their distinct characteristics.
Backward inclined centrifugal fans are known for their high efficiency and low noise levels, making them ideal for clean air applications such as ventilation, air conditioning, and cooling systems in industrial settings. They can handle high pressures and are often used in situations where energy efficiency is paramount, like in clean rooms, data centers, and large commercial buildings.
Forward curved centrifugal fans are suited for low-pressure, high-volume applications. Their compact design makes them ideal for residential HVAC systems, small exhaust systems, and air handling units. They are effective in situations where a continuous flow of air is required, such as in heating systems, kitchen exhausts, and automotive ventilation.
Both types are essential in maintaining air quality, ensuring proper ventilation, and supporting various industrial processes by moving air efficiently.
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