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Model | Leaf diameters (mm) | Air consumption (m3/h) | Speed (r/min) | Air pressure (mpa) | Wind pressure (pa) | Noise dB(A) |
BTF-II-30 | 300(12'') | 1 | 3900 | 0.6 | 260 | 69 |
BTF-II-35 | 350(14'') | 1 | 4500 | 0.6 | 220 | 69 |
BTF-II-40 | 400(16'') | 2.2 | 6300 | 0.6 | 300 | 79 |
BTF-II-45 | 450(18'') | 2.2 | 7100 | 0.6 | 220 | 79 |
BTF-II-50 | 500(20'') | 2.2 | 9000 | 0.6 | 200 | 73 |
BTF-II-60 | 600(24'') | 2.2 | 14700 | 0.6 | 190 | 75 |
BTF-II-70 | 700(28'') | 2.2 | 17700 | 0.6 | 180 | 75 |





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