


2JM520H57 4KW Ring Blower
- ADC12 Aluminium Alloy
- 100% Copper Coil
- Oil-free, Maintance-free, Low-noise, Low-vibration, Energy-saving
- High suction air and high pressure blowing
- Can work continuously for 24 hours
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Description
| Frequency | 50 (Hz) | 60 (Hz) |
| Rated Power | 4(kW) | 4.6(kW) |
| Rated Voltage | 220-240△345-415Y (V) | 220-275△380-480Y (V) |
| Rated Current | 9.7△/5.6Y(A) | 10.3△/6.0Y (A) |
| Max Airflow | 320(m3/h) | 380 (m3/h) |
| Max Vacuum | -220 (mbar) | -170 (mbar) |
| Max Pressure | 210 (mbar) | 150 (mbar) |
| Sound | 73 dB(A) | 76 dB(A) |
| Weight | 43 (kg) | 43 (kg) |
Specifications




FAQ
How do I choose the side channel blower?
What voltage and frequency options are available?
Ring blowers are commonly available in single-phase and three-phase motors, such as 220V, 380V, 415V, and can be designed for 50Hz or 60Hz. If the blower will be exported to different countries, confirm the local voltage, frequency, plug type and whether a frequency inverter is required.
Can it run continuously, and how much maintenance is needed?
The impeller rotates without contact with the pump body, so the blower is oil-free and requires very low maintenance. The main wear parts are the bearings. Under normal conditions, it can run continuously for long periods, but the installation site should be clean, dry and well ventilated.
How can noise and vibration be controlled?
What certifications and protections should I check before purchasing?
For industrial and export applications, check motor protection class, insulation class and relevant certifications such as CE or UL. If the blower will be used in explosive or corrosive environments, confirm whether an ATEX/IECEx motor, special sealing, stainless-steel material or a pressure relief valve is required.





