B-Tohin Machine (Jiangsu) Co., Ltd.
Professional Manufacturer of Various Kinds of Blowers
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100KPA - 150KPA Roots Air Blower BKD-4000, two stage, high pressure
About BKD
BKD series is a two-stage roots blower composed of two BKW blowers for achieving higher pressure than the single-stage blower’s. Good performance is promised by a middle cooling system between the first and the second stage, which ensures standard temperature of airflow into the second stage blower.
Specifications
Model | BKD-4000 |
Air capacity | 19.10-40.41m3/min |
Discharge differential pressure | 100-150KPA |
Rotary speed | 850-1400rpm |
Cooling water volume | 70 l/min |
Motor type | 55-110KW |
Motor brand | Standard: Siemens Beide or Wannan motor |
Installation type | Standard: vertical type |
N.W. of blower without motor | 1280kg |
Packing size Approx. | 2.2*2*2.55m (length*width*height) |
Features | 1. Water cooling for the bearings at both end-plates lowers the bearing’s operation temperature. |
Parameter Sheet
| Art No. | Composed of | Port Dia (mm) | Speed (rpm) | Inlet capacity (m3/min)and shaft power (KW) | Cooling water | ||||
| 1.0kgf/cm2 | 1.2kgf/cm2 | ||||||||
| 10000mH2O | 12000mH2O | ||||||||
| 0.098Mpa | 0.118Mpa | ||||||||
| Ⅰstage | Ⅱstage | m3/min | kw | m3/min | kw | L/min | |||
| BKD-4000 | BKW8016 + BKW7011 | 150 (6") | 850 | 850 | 21.07 | 49.28 | 20.05 | 55.99 | 70 |
| 1000 | 1000 | 26.34 | 57.98 | 25.32 | 65.87 | ||||
| 1150 | 1150 | 31.62 | 66.68 | 30.6 | 75.75 | ||||
| 1250 | 1250 | 35.13 | 72.48 | 34.11 | 82.33 | ||||
| 1400 | 1400 | 40.41 | 81.17 | 39.39 | 92.21 | ||||
| Art No. | Composed of | Port Dia (mm) | Speed (rpm) | Inlet capacity (m3/min)and shaft power (KW) | Cooling water | ||||
| 1.4kgf/cm2 | 1.5kgf/cm2 | ||||||||
| 14000mH2O | 15000mH2O | ||||||||
| 0.137Mpa | 0.147Mpa | ||||||||
| Ⅰstage | Ⅱstage | m3/min | kw | m3/min | kw | L/min | |||
| BKD-4000 | BKW8016 + BKW7011 | 150 (6") | 850 | 850 | 19.62 | 61.95 | 19.1 | 62.93 | 70 |
| 1000 | 1000 | 24.9 | 72.88 | 24.37 | 74.03 | ||||
| 1150 | 1150 | 30.17 | 83.81 | 29.65 | 85.14 | ||||
| 1250 | 1250 | 33.69 | 91.1 | 33.16 | 92.54 | ||||
| 1400 | 1400 | 38.97 | 102.03 | 38.44 | 103.64 | ||||
Airflow and cooling system
Assembling drawing of blower package
Standard supply of scope
1. blower main body 1
2. blower main body 2
3. pressure relieve valve
4. check valve
5. inlet silencer(with air filter)
6. outlet silencer
7. public base (with belt cover)
8. rubber flexible joint and shock pad
9. pulley
10. pressure gauge
11. belt
12. bolts and nuts and other connection parts
13. motor
14. middle cooler