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

Professional Manufacturer of Various Kinds of Blowers

Home ProductsRoots Blower Vacuum Pump

Roots Blower Lobe Vacuum Pump , suction vacuum blower , vacuum pneumatic fan

Roots Blower Lobe Vacuum Pump , suction vacuum blower , vacuum pneumatic fan

  • Roots Blower Lobe Vacuum Pump , suction vacuum blower , vacuum pneumatic fan
Roots Blower Lobe Vacuum Pump , suction vacuum blower , vacuum pneumatic fan
Product Details:
Place of Origin: China
Brand Name: BK
Certification: ISO9001/ISO14001
Model Number: BV7018
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: Negotiation
Packaging Details: Export standard wooden caseAbout BKW BKW series roots blower inherits the design of BK series. It adopts water cooling in bearing cover, which can lower the temperature of bearing so as to prolong the bearing’s service life and enable higher pressure appli
Delivery Time: 5 to 20 working days, depends on order amount and specification
Payment Terms: L/C, T/T
Supply Ability: 80 SETS per month
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Detailed Product Description
Type: Vacuum Sauction, Roots Type Air Capacity: 19.57-52.03m3/min
Discharge Differential Pressure: -10KPA - -40KPA Motor Power: 7.5KW-55KW
Discharge Bore: DN200(8”) Cooling Type: Air
Driven Type: Motor Driven, Connected By Belt And Pulley
High Light:

roots type vacuum pump


blower vacuum pump

Lobes Roots Blower Vacuum Pump,  suction vacuum blower, vacuum pneumatic fan
About BK vacuum pump
Roots blower, a positive displacement kind air compressor, it also can be used in vacuum application. Based on our experience in manufacturing Roots blower, we developed vacuum type Roots air pump
BK vacuum pump can reach the maximum vacuum pressure of -40KPA. It is widely applied in vacuum application in food conveying, metallurgy, chemical industry,electronic coating and other industries.



Inlet dimensionDN200
Outlet dimensionDN200

Air capacity


Discharge differential pressure

-10   ~   -40KPA

Rotary speed


Motor type

380/400/415/440V, 3PHASES, 50/60HZ

Motor brand

Standard: Siemens Beide or Wannan motor
Siemens and ABB motor for your option

Motor efficiency gradeIE3
Moror insulation classF, temperature rising B
Motor protection classIP55

Installation type

Standard: horizontal type.
Vertical type available for your option

N.W. of blower without motor


Packing size Approx.

2.0*1.4*2.2m (length*width*height)

Parameter sheet

ModelPort Dia
SpeedInlet capacity (m3/min)and shaft power (KW)
BV7018200(8")70022.65 6.69 21.37 10.92 20.38 14.81 19.57 19.85 
85028.16 8.12 26.88 13.26 25.89 17.99 25.08 24.11 
100033.67 9.55 32.38 15.60 31.39 21.16 30.58 28.36 
115039.18 10.98 37.89 17.94 36.90 24.33 36.09 32.62 
125042.85 11.94 41.56 19.50 40.57 26.45 39.76 35.45 
140048.36 13.37 47.07 21.84 46.08 29.62 45.27 39.71 
150052.03 14.33 50.74 23.40 49.75 31.74 48.94 42.54 

Assembling drawing of blower package
Roots Blower Lobe Vacuum Pump , suction vacuum blower , vacuum pneumatic fan 0
Standard supply of scope
1. blower main body
2. vacuum safety valve
3. inlet silencer
4. outlet silencer
5. public base (with belt cover)
6. rubber flexible joint and shock pad
7. blower pulley
8. pressure gauge
9. belt
10. bolts and nuts and other connection parts
11. motor

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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