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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

Suction Pressure -40KPA Roots Blower Vacuum Pump , DN250 food convey blower

Suction Pressure -40KPA Roots Blower Vacuum Pump , DN250 food convey blower

  • Suction Pressure -40KPA Roots Blower Vacuum Pump , DN250 food convey blower
Suction Pressure -40KPA Roots Blower Vacuum Pump , DN250 food convey blower
Product Details:
Place of Origin: China
Brand Name: BK
Certification: ISO9001/ISO14001
Model Number: BV9020
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: 29.48-81.37m3/min
Discharge Differential Pressure: -10KPA - -40KPA Motor Power: 15KW-75KW
Discharge Bore: DN250(10”) Cooling Type: Air
Driven Type: Motor Driven, Connected By Belt And Pulley
High Light:

roots type vacuum pump


air blower pump

DN250 Roots Blower Vacuum Pump,  suction pressure -40KPA, food convey blower
About BK vacuum 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. It is composed of blower main body, inlet silencer, out silencer, vacuum pressure gauge, vacuum relief valve and other necessary accessories.



Inlet dimensionDN250
Outlet dimensionDN250

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.

2.62*1.78*2.45m (length*width*height)

Parameter sheet

ModelPort Dia
SpeedInlet capacity (m3/min)and shaft power (KW)
BV9020250(10")70035.04 12.11 32.72 18.99 30.93 25.36 29.48 29.05 
85043.73 14.71 41.41 23.06 39.61 30.80 38.17 35.28 
100052.41 17.30 50.10 27.12 48.30 36.23 46.85 41.50 
115061.10 19.90 58.78 31.19 56.99 41.67 55.54 47.73 
125066.89 21.63 64.58 33.90 62.78 45.29 61.33 51.88 
140075.58 24.22 73.26 37.97 71.47 50.73 70.02 58.10 
150081.37 25.95 79.05 40.69 77.26 54.35 75.81 62.25 

Assembling drawing of blower package
Suction Pressure -40KPA Roots Blower Vacuum Pump , DN250 food convey blower 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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