The DF Series Low-Noise Centrifugal Blower features excellent process design, robust materials, stable and reliable performance, and significant noise reduction effects. It is characterized by low noise, high efficiency, long service life, and easy installation. Widely applicable in industries and sectors such as telecommunications, power, electrical engineering, electronics, geology, coal mining, shipbuilding, and papermaking, it is particularly suitable for cooling, temperature control, and ventilation in environments including plastic machinery, printing machinery, blueprint machines, dryers, blow molding machines, and underground facilities.
The DF Series Low-Noise Centrifugal Blower features excellent process design, robust materials, stable and reliable performance, and significant noise reduction effects. It is characterized by low noise, high efficiency, long service life, and easy installation. Widely applicable in industries and sectors such as telecommunications, power, electrical engineering, electronics, geology, coal mining, shipbuilding, and papermaking, it is particularly suitable for cooling, temperature control, and ventilation in environments including plastic machinery, printing machinery, blueprint machines, dryers, blow molding machines, and underground facilities.
| Core Technical Parameters | |||||
| Power (kW) |
Voltage (V) |
Rotation speed (r/min) |
Air flow (m³/h) |
Total pressure (Pa) |
Noise Level dB(A) |
| 0.12kW | 220v/380v | 2800 | 305 | 390 | ≤72 |
| 0.18kW | 220v/380v | 2800 | 405 | 450 | ≤75 |
| 0.25kW | 220v/380v | 2800 | 505 | 860 | ≤75 |
| 0.37kW | 220v/380v | 2800 | 660 | 850 | ≤76 |
| 0.55kW | 220v/380v | 2800 | 850 | 1020 | ≤76 |
| 0.75kW | 220v/380v | 2800 | 1200 | 1210 | ≤80 |
| 1.1kW | 220v/380v | 2800 | 1800 | 1500 | ≤82 |
| 1.5kW | 220v/380v | 2800 | 2600-3500 | 1360-1220 | ≤83 |
| 2.2kW | 220v/380v | 2800 | 3300-4000 | 1470-1300 | ≤84 |
| 3kW | 220v/380v | 2800 | 3900-4600 | 2050-1860 | ≤85 |
| 4kW | 380v | 2800 | 4500-5400 | 2120-1830 | ≤88 |
| 5.5kW | 380v | 2800 | 5000-6000 | 2360-2010 | ≤95 |
| Power（kW） | Outlet Flange Dimensions
(mm) |
Inlet Flange Dimensions（Optional）
(mm) |
Interface（optional）
(mm) |
External Dimensions
(mm) |
Mounting Bracket Dimensions（optional）
（mm） |
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| A1 | A2 | A3 | Φa*b | B1 | B2 | B3 | Φc*d | ΦA | Φ1 | Φ2 | Φ3 | ΦB*n | ΦC Outlet |
ΦD Inlet |
C1 | C2 | M | N | C | L | E | F | JM | JN | JH | JL | JC | JF | JE | |||||
| 0.12 | 69 | 95 | 117 | 1*95 | 66 | 95 | 117 | 1*95 | 6 | 125 | 148 | 158 | Φ7*4 | 100 | 100 | 70 | 90 | 190 | 215 | 270 | 155 | 100 | 123 | 130 | 140 | 170 | 240 | 160 | 208 | 153 | ||||
| 0.18 | 83 | 111 | 133 | 1*111 | 66 | 95 | 117 | 1*95 | 6 | 125 | 148 | 158 | Φ7*4 | 100 | 100 | 70 | 90 | 191 | 214 | 288 | 155 | 100 | 123 | 130 | 140 | 170 | 240 | 160 | 208 | 153 | ||||
| 0.25 | 81 | 95 | 120 | 1*95 | 59 | 95 | 118 | 1*95 | 6 | 150 | 174 | 186 | Φ7*6 | 100 | 150 | 80 | 100 | 235 | 276 | 280 | 182 | 110 | 158 | 130 | 140 | 170 | 240 | 160 | 208 | 153 | ||||
| 0.37 | 106 | 132 | 154 | 1*132 | 59 | 92 | 114 | 1*92 | 6 | 150 | 174 | 186 | Φ7*6 | 100 | 150 | 80 | 100 | 235 | 275 | 305 | 182 | 110 | 158 | 130 | 140 | 170 | 240 | 160 | 208 | 153 | ||||
| 0.55 | 79 | 100 | 122 | 1*100 | 73 | 100 | 122 | 1*100 | 6 | 112 | 178 | 200 | Φ8.5*6 | 100 | 160 | 90 | 112 | 304 | 330 | 345 | 218 | 145 | 190 | 150 | 180 | 210 | 240 | 154 | 230 | 175 | ||||
| 0.75 | 105 | 126 | 148 | 1*126 | 73 | 106 | 125 | 1*106 | 6 | 112 | 178 | 200 | Φ8.5*6 | 100 | 160 | 90 | 112 | 300 | 332 | 345 | 218 | 145 | 190 | 150 | 180 | 210 | 240 | 154 | 230 | 175 | ||||
| 1.1 | 130 | 156 | 181 | 2*77.5 | 155 | 180 | 205 | 2*90 | 8.5 | 140 | 205 | 230 | Φ8.5*6 | 150 | 160 | 100 | 125 | 335 | 387 | 400 | 245 | 155 | 230 | 150 | 184 | 213 | 240 | 166 | 228 | 204 | ||||
| 1.5 | 130 | 164 | 190 | 1*164 | 170 | 192 | 225 | 2*97 | 9 | 140 | 205 | 230 | Φ8.5*6 | 150 | 160 | 100 | 140 | 365 | 425 | 430 | 290 | 170 | 270 | 190 | 215 | 241 | 280 | 193 | 248 | 195 | ||||
| 2.2 | 130 | 164 | 190 | 1*164 | 170 | 192 | 225 | 2*97 | 9 | 140 | 205 | 230 | Φ8.5*6 | 150 | 160 | 125 | 140 | 365 | 425 | 430 | 290 | 170 | 270 | 190 | 215 | 241 | 280 | 193 | 253 | 195 | ||||
| 3 | 175 | 200 | 240 | 2*100 | 205 | 246 | 272 | 3*82 | 10 | 183 | 268 | 290 | Φ8.5*6 | 200 | 200 | 140 | 160 | 396 | 475 | 510 | 330 | 175 | 251 | 190 | 215 | 241 | 280 | 193 | 253 | 195 | ||||
| 4 | 155 | 190 | 220 | 2*95 | 250 | 290 | 320 | 2*145 | 11 | 280 | 315 | 332 | Φ8.5*6 | 200 | 200 | 140 | 190 | 485 | 550 | 540 | 381 | 228 | 335 | 245 | 220 | 260 | 400 | 280 | 310 | 266 | ||||
| 5.5 | 175 | 220 | 260 | 2*110 | 250 | 294 | 334 | 2*147 | 11 | 280 | 315 | 332 | Φ8.5*6 | 200 | 200 | 140 | 216 | 485 | 550 | 540 | 441 | 228 | 335 | 245 | 220 | 260 | 400 | 280 | 310 | 266 | ||||
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