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B-Tohin Machine (Jiangsu) Co., Ltd.
B-Tohin Machine (Jiangsu) Co., Ltd.

Professional Manufacturer of Various Kinds of Blowers

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Three Lobe Type Rotary High Pressure Roots Blower High Efficiency 60-100kpa

Three Lobe Type Rotary High Pressure Roots Blower High Efficiency 60-100kpa

  • Three Lobe Type Rotary High Pressure Roots Blower High Efficiency 60-100kpa
Three Lobe Type Rotary High Pressure Roots Blower High Efficiency 60-100kpa
Product Details:
Place of Origin: China
Brand Name: BC
Certification: ISO9001/ISO14001/CE
Model Number: BCW9020
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: Negotiation
Packaging Details: Export standard wooden case
Delivery Time: 5 to 20 working days, depends on order amount and specification
Payment Terms: L/C, T/T
Supply Ability: 50 SETS per month
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Detailed Product Description
Name: Roots Rotary Lobe Blower Type: Positive Displacement Roots Type, Three Lobes
Air Capacity: 47.81-76.87m3/min Discharge Differential Pressure: 60-100KPA
Motor Power: 55-185W Driven Type: Motor Driven, Connected By Belt And Pulley
Installation Type: Horizontal, Vertical Available Also Lobe Type: 3 Lobe, Made Of QT500
Sealing Type: Skeleton Oil Seal, Fluoro Rubber, SKF
High Light:

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High - Pressure Three Lobe Rotary Blower , Roots Type Blower High Efficiency
BKW blower can be used for various industries, such as for separating small particles and algae in groundwater, recovering valuable products in industrial sewage and so on. It can reach the air capacity of 3900 m3/h under 80KPA rising pressure.






Discharge bore size DN250 (10")

Air capacity


Discharge differential pressure


Rotary speed


Cooling water volume

20 l/min

Motor type

380/400/415/440V, 3PHASES, 50/60HZ

Installation type

Standard: horizontal type. 
Vertical type available for your option

N.W. of main blower body





1. Integral-shaft ductile iron impellers
2. Over sized cylindrical roller bearings
3. Hardened teeth face for precision helical timing gear

4. Tri-lobe rotor with optimized curve
5. Flexible installation ways available



Parameter sheet

Model Speed Inlet capacity (m3/min)and shaft power (KW)
0.6kgf/cm2 0.7kgf/cm2 0.8kgf/cm2    0.9kgf/cm2 1.0kgf/cm2
6000mmH2O 7000mmH2O 8000mmH2O 9000mmH2O 10000mmH2O
0.06Mpa 0.07Mpa 0.08Mpa 0.09Mpa 0.1Mpa
rpm m3/min KW m3/min KW m3/min KW m3/min KW m3/min KW




1320 47.81 61.95 46.98 68.75             
1480 54.85 69.45 54.03 77.08  53.26 86.71 52.54 92.34 51.85 99.97
1650 62.34 77.43 61.51 85.94  60.75 101.44  60.02 102.95  59.34 111.45 
1755 67.84 83.30 67.02 92.45  66.25 102.60 65.53 110.75  64.84 119.90 
1875 72.25 87.99 71.42 102.66  70.65 107.32  69.93 116.99  69.25 126.65 
1980 76.87 92.92 76.04 103.12 75.28 113.33  74.55 123.54  73.87 133.74 
Port Dia: DN250 (10")          Cooling water volume: 20l/min 




Structure of blower main body
Three Lobe Type Rotary High Pressure Roots Blower High Efficiency 60-100kpa 0

Flow direction of cooling water
Three Lobe Type Rotary High Pressure Roots Blower High Efficiency 60-100kpa 1 

Available accessories for your choice
1. inlet silencer (with air filter)
2. outlet silencer
3. relieve valve
4. check valve
5. flexible joint
6. pressure gauge
7. blower pulley and motor pulley
8. V-belt
9. belt cover
10. public base
11. motor

12. control cabinet

13. acoustic enclosure


1. What's the information should I provide when inquiry?
A: Air capacity
B: Pressure
C: Application
D: Use environment(Temperature, atmospheric pressure)
E: Do you need motor?
Or other specials you give us will be more appreciated.

2. What is your warranty?
Our warranty is 12 months after received the roots blower. During the warranty period, replace the damaged parts for free of charge. Out warranty period, to provide timely, high-quality technical services and price concessions spare parts to ensure continuous safe and high-quality equipment operation.

3. How long is the service life of roots blower?
In normal use environment
A- Service life of blower is more than 10 years.
B- Service life of Impeller is more than 60, 000 hours.
C- Service life of bearing is more than 50, 000 hours.
D- Service life of gear is more than 60, 000 hours.

4. What is your terms of packing?
A: Generally, we pack our goods in Fumigation Free Plywood Case. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

5. How does your factory control product quality?
We have quality inspection department. Before sending out product, we check each product. If there is quality problem, we will produce new one.

6. What are your terms of payment?

Contact Details
B-Tohin Machine (Jiangsu) Co., Ltd.

Contact Person: Iris Xu

Tel: +8615301523076

Send your inquiry directly to us
B-Tohin Machine (Jiangsu) Co., Ltd.
No.69 Xijiu Road, Industrial Park for Environmental SCI & TECH, Yixing, Jiangsu,China
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