The fan features high wind pressure, high rotation speed, large air volume, mobile convenience, and strong suction. The casing is made of cold-rolled steel with plastic spraying, the impeller is cast aluminum alloy, and the motor is wound with pure copper wire. Manufactured with optimized aerodynamic design and advanced processing technology, it has a lighter structure.
Applications:
Designed for air transfer via ventilation hoses in long-distance/ deep work areas, confined spaces, and harsh atmospheric conditions—handling exhaust or fresh air supply.
| Core Technical Parameters | ||||||
| model | Power (kW) |
Voltage (V) |
Rotation speed (r/min) | Air flow (m³/h) |
Total pressure (Pa) |
External Dimensions
（mm） |
| 2 | 0.23 | 220 | 2800 | 1500 | 245 | 250*300*315 |
| 2.5 | 0.32 | 220 | 2800 | 2700 | 295 | 290*300*355 |
| 3 | 0.52 | 220 | 2800 | 3900 | 375 | 350*325*410 |
| 3.5 | 0.75 | 220 | 2800 | 4920 | 598 | 400*380*434 |
| 4 | 1.1 | 220 | 2800 | 5760 | 700 | 450*400*484 |
| 4.5 | 1.5 | 220 | 2800 | 9720 | 970 | 500*450*534 |
| model | Diameter of blade | D | D1 | D2 | W | W1 | W2 | H |
| CTF-2 | 200/8″ | 200 | 226 | 250 | 300 | 190 | 212 | 315 |
| CTF-2.5 | 250/10″ | 240 | 266 | 290 | 300 | 190 | 259 | 355 |
| CTF-3 | 300/12″ | 285 | 326 | 350 | 325 | 220 | 300 | 410 |
| CTF-3.5 | 350/14″ | 350 | 384 | 400 | 380 | 260 | 375 | 434 |
| CTF-4 | 400/16″ | 400 | 434 | 450 | 400 | 285 | 412 | 484 |
| CTF-4.5 | 450/18″ | 450 | 484 | 500 | 450 | 335 | 462 | 534 |
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