B-Tohin Machine (Jiangsu) Co., Ltd.
Professional Manufacturer of Various Kinds of Blowers
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Vertical type Positive Roots Air Blower , food conveying , belt driven blower
Lobe Roots Air Blower DN50 air cooling, vertical type roots blower
About BK-3
Roots blower is displacement type air compressor. Two parallel shafts have three lobes each, all the lobes keep small clearance with each other and housing inside. Every lobes rotation, a certain air will be absorbed at inlet and transferred from the housing inside surface to blower's discharge port.
Two shafts are turned by the timing gears, without touching with lobes, so it can be turned at high speed without any lubrication inside.
Specifications
| Model | BK150 |
| Air capacity | 18.28-35.33m3/min |
| Discharge differential pressure | 10-80KPA |
| Rotary speed | 1330-2080rpm |
| Motor power | 15KW-55KW |
| Motor voltage | 380/400/415/440V |
| Motor phases | 3 |
| Motor frequency | 50/60HZ |
| Motor efficiency | IE3 |
| Insulation class of motor | F, temperature rise B |
| Protection class of motor | IP55 |
| Motor brand | Standard: Siemens Beide or Wannan motor |
| Installation type | Vertical type |
| N.W. of blower without motor | 530kg |
| Packing size Approx. | 1.7*1.2*1.55m (length*width*height) |
Feature
Parameter
| Model | Rotary Speed | Inlet capacity (m3/min)and shaft power (kW) under various pressure | |||||||
| 0.01Mpa | 0.02Mpa | 0.03Mpa | 0.04Mpa | ||||||
| m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | ||
| BK150 | 1330 | 21.88 | 10.64 | 21.07 | 13.30 | 20.44 | 15.96 | 19.91 | 18.62 |
| 1420 | 23.50 | 11.36 | 22.68 | 14.20 | 22.05 | 17.04 | 21.52 | 19.88 | |
| 1580 | 26.37 | 12.64 | 25.55 | 15.80 | 24.92 | 18.96 | 24.39 | 22.12 | |
| 1670 | 27.98 | 13.36 | 27.16 | 16.70 | 26.54 | 20.04 | 26.01 | 23.38 | |
| 1870 | 31.57 | 14.96 | 30.75 | 18.70 | 30.12 | 22.44 | 29.60 | 26.18 | |
| 1980 | 33.54 | 15.84 | 32.72 | 19.80 | 32.10 | 23.76 | 31.57 | 27.72 | |
| 2080 | 35.33 | 16.64 | 34.52 | 20.80 | 33.89 | 24.96 | 33.36 | 29.12 | |
| Model | Rotary Speed | Inlet capacity (m3/min)and shaft power (kW) under various pressure | |||||||
| 0.05Mpa | 0.06Mpa | 0.07Mpa | 0.08Mpa | ||||||
| m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | ||
| BK150 | 1330 | 19.44 | 21.28 | 19.02 | 23.94 | 18.64 | 26.60 | 18.28 | 29.26 |
| 1420 | 21.06 | 22.72 | 20.64 | 25.56 | 20.25 | 28.40 | 19.89 | 31.24 | |
| 1580 | 23.93 | 25.28 | 23.51 | 28.44 | 23.12 | 31.60 | 22.76 | 34.76 | |
| 1670 | 25.54 | 26.72 | 25.12 | 30.06 | 24.74 | 33.40 | 24.37 | 36.74 | |
| 1870 | 29.13 | 29.92 | 28.71 | 33.66 | 28.32 | 37.40 | 27.96 | 41.14 | |
| 1980 | 31.10 | 31.68 | 30.68 | 35.64 | 30.30 | 39.60 | 29.94 | 43.56 | |
| 2080 | 32.90 | 33.28 | 32.48 | 37.44 | 32.09 | 41.60 | 31.73 | 45.76 | |
Assembling drawing of blower package
