B-Tohin Machine (Jiangsu) Co., Ltd.
Professional Manufacturer of Various Kinds of Blowers
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150KPA Roots Air Blower, two stage, DN300, two stage roots air blower
About BKD
BKD series is a two-stage roots blower. A middle cooling system is installed between the first and the second stage blower, which will cool the temperature of airflow out from the first stage blower, and then the temperature of airflow into the second stage blower will be normal and will not damage the blower. By the two stage compression, BKD blower can reach the maximum pressure of 150KPA.
Specifications
| Model | BKD-7000 |
| Air capacity | 74.77-146.76m3/min |
| Discharge differential pressure | 100-150KPA |
| Rotary speed | 850-1400rpm |
| Cooling water volume | 160 l/min |
| Motor type | 200-450KW |
| Motor brand | Standard: Siemens Beide or Wannan motor |
| Installation type | Standard: vertical type |
| N.W. of blower without motor | 4500kg |
| Packing size Approx. | 3.75*3.45*3.25m (length*width*height) |
| Features | 1. Water cooling for the bearings at both end-plates lowers the bearing’s operation temperature. |
Parameter Sheet
| Model | Rotary Speed (rpm) | Inlet capacity (m3/min)and shaft power (KW) | Cooling Water | ||||||||
| 1.0kgf/cm2 | 1.2kgf/cm2 | 1.4kgf/cm2 | 1.5kgf/cm2 | ||||||||
| 10000mH2O | 12000mH2O | 14000mH2O | 15000mH2O | ||||||||
| 0.098Mpa | 0.118Mpa | 0.137Mpa | 0.147Mpa | ||||||||
| blowerⅠ | blowerⅡ | m3/min | kw | m3/min | kw | m3/min | kw | m3/min | kw | L/min | |
| BKD-7000 | 850 | 850 | 84.12 | 159.93 | 82.54 | 190.26 | 81.09 | 220.55 | 80.60 | 232.57 | 160 |
| 1000 | 1000 | 102.33 | 188.15 | 100.75 | 223.83 | 99.29 | 259.47 | 98.81 | 273.61 | ||
| 1100 | 1100 | 114.47 | 206.97 | 112.89 | 246.22 | 111.43 | 285.42 | 110.95 | 300.97 | ||
| 1250 | 1250 | 132.68 | 235.19 | 131.10 | 279.79 | 129.64 | 324.34 | 129.16 | 342.01 | ||
| 1400 | 1400 | 150.88 | 263.42 | 149.31 | 313.37 | 147.85 | 363.26 | 147.36 | 383.05 | ||
Airflow and cooling system
Assembling drawing of blower package
Standard supply of scope
1. the first stage blower
2. the second stage blower
3. relieve valve
4. check valve
5. inlet muffler(with air filter)
6. outlet muffler
7. public base (with belt cover)
8. rubber flexible joint and shock pad
9. pulley
10. pressure gauge
11. V-belt
12. bolts and nuts and other connection parts
13. motor
14. middle cooler