Ceiling Mounted Quiet Inline Duct Fan 6 inch waterproof and dustproof
Features:
- Combine the acoustic and duct working principle, special design for excellent sound attenuation.
- The shell is made of polypropylene plastic, with high anti-acid ability.
- The impeller is made of ABS, designed by hydromechanics to reach the optimal air and pressure.
- Two-speed motor, Japanese brand NMB ball bearing, long working life to 50,000 hours.
- IP44 protection class, waterproof and dustproof more effective.
- Operating temperature range: -20°C ~ 60°C
Specification:
| Model |
Double speed |
Voltage/ Frequency |
Current
|
Power | Speed | Weight | Airflow | Air pressure | Noise |
| (Amps) | (W) | (RPM) | (Kg) | (m³/h) | (Pa) | (dB) | |||
| HDD-150P | High | 230V/50Hz | 0.25 | 50 | 2500 | 4.5 | 530 | 300 | 31 |
| Low | 0.20 | 43 | 1850 | 410 | 240 | 26 | |||
| High | 115V/60Hz | 0.55 | 62 | 2500 | 530 | 300 | 31 | ||
| Low | 0.47 | 51 | 1850 | 410 | 240 | 26 |
Dimensions drawing:
Unit: mm
Performance Curve: 
Application:
This model offers solutions to ventilation problems, especially in places where people work and low sound level is required, such as office, hotel, apartments, houses, shops, cafes, restaurants, cinemas, gym and etc.
Mounting:
The fan can be mounted in line or at either end of the duct run and at any angle, horizontally or vertically. All fans can be mounted in parallel to increase the volume of air or in series to increase the pressure. The casing is fitted with a mounting plate. The mounting box can be rotated to be installed in any position for easy installation and connection.
