General Introduction:The round duct fan consists of casing, propeller, motor and wiring box. The overall dimensions of air let and air outlet are the same, the fan can be connected with air duct directly, so pipeline design and installation costs can be greatly saved. The newly designed casing and the paddle-wheel designed according to aerodynamics can greatly reduce vibration and noise level. GDF series round duct fan is suitable for the hotel, supermarket, warehouse, bathroom, etc. to supply and exhaust air
Product Advantages:1.The casing is made of cold-rolled sheet or galvanized sheet which prevents rusting;2.The inlet and outlet sizes are the same, easy for installation and can save installation cost;3.The impeller is installed directly on the motor shell, which is steadily driven by the motor with high efficiency;4.The wiring box is installed outside the fan which is easy to install and maintain.
Maintenance Suggestions:1. When doing maintenance, make sure that electrical service to fan is locked in the “OFF” position to prevent from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device such as a tag to service panel.2. Do not start power supply until maintenance or service work has been completed.3. Maintenance or service work must be performed by a qualified person in accordance with all applicable codes and standards, including local fire codes.4. Impellers must be inspected regularly. In order to inspect impeller, remove fan from the duct work, and remove any obstructions and clean with damp cloth.
Technical Specifications:
| Model | Voltage | Power | Current | Flow | Speed | Staticpressure | Noise | Protection grade | Insulation class | Highest temperature | Weight |
| / | V/Hz | W | A | m3/h | rpm | Pa | dB(A) | IP | / | ℃ | Kg |
| GDF100A | 230/50 | 60 | 0.18 | 170-40 | 2550 | 72-251 | 48 | 44 | F | 85 | 3 |
| GDF100B | 230/50 | 67 | 0.27 | 210-75 | 2650 | 87-252 | 50 | 44 | F | 85 | 3 |
| GDF125A | 230/50 | 62 | 0.25 | 200-75 | 2550 | 72-227 | 48 | 44 | F | 85 | 3 |
| GDF125B | 230/50 | 70 | 0.17 | 275-80 | 2650 | 98-272 | 50 | 44 | F | 85 | 3 |
| GDF150A | 230/50 | 64 | 0.26 | 350-120 | 2550 | 73-252 | 49 | 44 | F | 85 | 4 |
| GDF150B | 230/50 | 65 | 0.27 | 370-100 | 2670 | 93-302 | 51 | 44 | F | 85 | 4 |
| GDF160A | 230/50 | 72 | 0.29 | 390-100 | 2500 | 68-261 | 49 | 44 | F | 85 | 4 |
| GDF160B | 230/50 | 112 | 0.92 | 590-110 | 2600 | 102-308 | 51 | 44 | F | 85 | 4 |
| GDF200A | 230/50 | 101 | 0.45 | 600-100 | 2550 | 142-451 | 52 | 44 | F | 85 | 4.5 |
| GDF200B | 230/50 | 161 | 0.66 | 800-150 | 2620 | 120-476 | 53 | 44 | F | 85 | 4.5 |
| GDF250A | 230/50 | 156 | 0.73 | 700-200 | 2450 | 135-376 | 52 | 44 | F | 85 | 5 |
| GDF250B | 230/50 | 175 | 0.66 | 800-200 | 2550 | 142-426 | 53 | 44 | F | 85 | 5 |
| GDF315A | 230/50 | 225 | 0.69 | 1200-315 | 2450 | 126-451 | 52 | 44 | F | 85 | 5.5 |
| GDF315B | 230/50 | 303 | 0.99 | 1500-300 | 2550 | 117-546 | 53 | 44 | F | 85 | 5.5 |
Installation Instruction:The unit weight of the duct fan is less than 10kg, it is easy for one person to carry, move and install.
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Duct Ventilation Fan Round Shape In-line Duct Fan Images
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