The GFR air supply units with integrated filters are designed for outdoor air intake, ensuring a healthier indoor environment free from impurities. Equipped with G4/F8 class filters, these units comply with the NBR 16401-3 standard, delivering a high level of filtration and air quality.
Built from low-profile galvanized steel sheet, they come with mounting brackets and can be installed horizontally or vertically, easily adapting to various spaces.
About the Product
Key Features:
✲ Integrated flat G4 and pleated F8 filters, complying with NBR 16401 for improved air quality
✲ Internal motor with direct drive to Siroco rotor, eliminating the need for belts and pulleys
✲ Quick-access cover, allowing easy filter replacement and motor cleaning
✲ Low noise level and vibration-free, ensuring greater comfort in the environment
✲ Integrated thermal protector that prevents motor overheating by automatically shutting off the unit
✲ Wide operating temperature range: Resistant to temperature variations from -40°C to +65°C
✲ Compact structure made of galvanized steel with secure mounting brackets
✲ F9 filtration available upon request
Available Models:
🔹 GFR 230 – Three speeds | Single-phase voltage
🔹 GFR 280 – One speed | 380V Single-phase voltage
Technical Specifications
Specifications for 230V/60Hz for the 230 model and 380V/60Hz for the 280 model.
Sound pressure level measured at 3 meters in free field, with ducts on inlet and outlet.
| Model | Speed | Maximum Flow Rate [m³/h] | Maximum Pressure [mmwc] | Sound Pressure Level [dBA] | Frequency [Hz] | Motor Power [W] | Total Power Absorbed [W] | Voltage Type | Voltage [V] | Dimension of intake port [mm] | Outlet mouth dimension [mm] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 230 | High | 1393 | 29 | 60 | 60 | 450 | 734 | Single phase | 230 | 550×330 | 300×260 |
| Medium | 1232 | 27 | 57 | 465 | Single phase | 230 | |||||
| Low | 976 | 22 | 55 | 330 | Single phase | 230 | |||||
| 280 | 1660 | 2705 | 48 | 64 | 60 | 800 | 839 | Single phase | 230 | 682×492 | 302×236 |
*Sound pressure level, measured at 3 m in free field conditions, with ducts on intake and discharge sides.
Models
| MODEL | Dimensions (mm) | Weight (Kg) | ||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| 230 | 604 | 725 | 422 | 774 | 670 | 35 |
| 280 | 760 | 820 | 551 | 896 | 825 | 57 |