• Ningbo Baosi Energy Equipment Co., Ltd.
    We have cooperated with BAOSI for many years. The quality of vacuum pump has been very stable and the delivery has been timely.
  • Ningbo Baosi Energy Equipment Co., Ltd.
    They're a serious, professional corporation that knows how to bring immediate solutions if inconvenience comes up. Vacuum parts that were provided by them can work in an trustworthy way.
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160CFM Oil Rotary Vacuum Pump Aluminium alloy structure

Place of Origin China
Brand Name BSC
Certification CE
Model Number BSJ70L
Minimum Order Quantity 1 set
Price USD 2400 per set
Packaging Details WOODEN CASE
Delivery Time 5-30 days
Payment Terms T/T
Supply Ability 1000 sets per month

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Product Details
Features Corrosion Resistance Surface Painting
Color Army Green Pumping Rate 280 M3/h (160cfm)
Material Aluminium Alloy G.W. 63kgs
N.W. 52kgs Meas. 85*40*42cm
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Product Description

160CFM (280m³/h) 50Hz 0.75kW 2Poles Mechanical Booster Pump,Roots Pump BSJ70L



Description :


Roots vacuum pumps ,which are also called Roots blowers,are rotary plunger type pumps where two symmetrically shaped impellors rotate in opposite directions inside the pump housing.




  • The use of oil-free intermediat seal,multiple sealed way to ensure the hight clean vacuum environment in the rotor chamber .
  • Advanced proceesing to ensure the good geometrical symmetry of the rotors,as well as low noise and long service life.
  • The whole rotors is made of aluminium alloy which has the charateristics of fast corrosion resistance and energy-efficient.



​Technical Parameter :


Model Units BSJ70L
Pumping Rate 50 Hz m³h-1 / Lmin-1 280/4670
60 Hz 330/55000
Max Inlet Pressure 50Hz Pa 1.2x103
60Hz Pa 9.3x102


Ultimate Vacuum






Motor Power kW(hp) 0.75 (1)
Inlet -- VG80
Outlet -- VF80
Cooling Method Water cooled
Oil Need L 0.8
Ambient Temp. 5~40
Vacuum Pump Oil -- BSO-46


Note: The value of 'Ultimate Pressure' in this sheet is measured by Pirani gauge when the Baosi special pump oil is used,and the value should be 4x10-3 if the Mcleod gauge is used.



Performance Curve:


160CFM Oil Rotary Vacuum Pump Aluminium alloy structure 0





160CFM Oil Rotary Vacuum Pump Aluminium alloy structure 1



160CFM Oil Rotary Vacuum Pump Aluminium alloy structure 2



  • Vacuum distillation
  • Vacuum packaging
  • Thin film coating
  • Freez drying
  • Electrical engineering
  • Printing
  • Surface treatment technique
  • Wind Energy
  • Ceramics and glasses



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