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Brand Name : BK
Model Number : D55-(1.4-1.8)
Certification : ISO9001/ISO14001
Place of Origin : China
MOQ : 1 set
Price : Negotiation
Payment Terms : L/C, T/T
Supply Ability : 10 SETS per month
Delivery Time : 20-40 working days, depends on order amount and specification
Packaging Details : Export standard wooden case
Air capacity : 50m³/min
Discharge differential pressure : 98KPA
Motor power : 55-110KW
Discharge bore : DN200(8”)
Cooling type : Water
Driven type : Coupling
Application : sewage treatment, smelting furnace, coal preparation plant, mine floatation, chemical gas, vacuum industry, and other gas conveying, etc.
Air flow direction : Vertical and horizontal for customers' option
Input Temp. : 20℃
Speed : 2950 r/min
Weight(No Motor)) : 2200-3200 KG
90KW Multistage Centrifugal Blower, 70KPA air compressor for backwash, 50m3/min
About D series multi-stage centrifugal blower
D series Multi-stage Centrifugal Blower is designed by famous institute in China and engineers of B-Tohin. The blower has several impellers connected by connection rod. The inlet air is compressed stage by stage and finally discharge air capacity from outlet.
Specifications
| Model | Inlet Flow m³/min | Inlet Pressure kPa | Inlet Temperature℃ | Set-up Pressure | Speed r/min | Shaft Power kW | Motor Power kW | Weight(Excluding Motor)KG | |
| kPa | mmH₂O | ||||||||
| D55-1.4 | 55 | 98 | 20 | 39.2 | 4000 | 2950 | 50 | 55 | 2200 |
| D55-1.5 | 55 | 98 | 20 | 49 | 5000 | 2950 | 60 | 75 | 2300 |
| D55-1.6 | 55 | 98 | 20 | 58.8 | 6000 | 2950 | 71 | 90 | 2600 |
| D55-1.7 | 55 | 98 | 20 | 68.6 | 7000 | 2950 | 79 | 90 | 3000 |
| D55-1.8 | 55 | 98 | 20 | 78.5 | 8000 | 2950 | 90 | 110 | 3200 |
Features
Structure of blower main body

Assembling drawing of blower package

Standard supply of scope
1. Blower main body
2. Inlet muffler (with air filter)
3. Public base for motor and blower(including coupling cover)
4. Inlet manual butterfly valve
5. Motor
6. Pressure gauge
7. Mounting bolts and connection accessories
8. Check valve
Optional accessories:
1. outlet silencer
2. outlet butterfly valve (manual or eletrical)
3. release valve
4. release silencer
5. reducer
6. flexible joint
7. acoustic enclosure
8. control cabinet
Dimensions of blower
| Horizontal flow direction | ![]() | ![]() |
| Vertical flow direction | ![]() | ![]() |
1. blower base 2. blower main body 3. inlet silencer 4. butterfly valve 5. coupling 6. electric motor
| Model | Size(mm) | ||
| A | B | C | |
| D50-1.7 | 1150 | 1285 | 2630 |
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98KPA 90KW Multistage Centrifugal Blower air compressor for backwash 50m³/min Images |