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Roots Vacuum Pump

, BHM Series

Built with technology learned from Hi-Bar Blowers Inc., the BHM series Roots vacuum pump is available in various models. Also called the booster pump, vacuum booster, or the Roots booster, the Roots vacuum pump is widely used in a variety of vacuum applications.

Features of Roots Vacuum Pump
1. This Roots pump is specially designed to reduce noise and vibration during operation and effectively cooled via a process known as counter-flow cooling for maximum safety.
2. SKF seals and bearings, paired with tri-lobe rotors made of nodular cast iron, secures that the Roots vacuum pump exhibits better dynamic balance and is able to bear higher load.
3. High-precision case-hardened timing gear ensures accurate position control and reduced noise. Drive shaft is supported by roller bearing at one end. Bearings at both ends of the driven shaft are lubricated via splash lubrication for longer use life.
4. Multi-lip seals prevents oil tank from pollution, thereby ensuring the cleanliness of lubricating oil.
5. Thanks to the large-capacity oil tank, the temperature in the pumping chamber is greatly reduced for a longer use life of lubricating oil.

  • Exhaust muffler, made of low-carbon steel
  • Inlet muffler, made of low-carbon steel

Vacuum Pump Specs
Vacuum Degree: -9.8~-49kPa
Flow Rate: 4.6~105 m³/min
Shaft Power: 1.1~106kW
Diameter: DN80-DN300

Technical Parameters

BHM4506V
Model BHM4506V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 1.5~15kw Diameter 80mm (air intake / air outlet)
Flow rate (NTP,WET) 4.6~ 13 m³ /min Frequency 50Hz, 60Hz Dimensions PDF
Shaft power 1.1~12.4kw Voltage 380V,400V,415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 433kg Acoustic shield Optional
BHM4509V
Model BHM4509V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 2.2~22kw Diameter 100mm (air intake / air outlet)
Flow rate (NTP,WET) 7~ 19.6 m ³ /min Frequency 50HZ, 60HZ Dimensions PDF
Shaft power 1.7~18.7kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 426kg Acoustic shield Optional
BHM4512V
Model BHM4512V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 3~30kw Diameter 150mm (air intake / air outlet)
Flow rate (NTP,WET) 9.5~ 26.2 m ³ /min Frequency 50HZ, 60HZ Dimensions PDF
Shaft power 2.3~24.9kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 424kg Acoustic shield Optional
BHM6010V
Model BHM6010V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 4~37kw Diameter 125mm (air intake / air outlet)
Flow rate (NTP,WET) 9.5~ 30.5 m³/min Frequency 50HZ,60HZ Dimensions PDF
Shaft power 2.8~33.4kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 711kg Acoustic shield Optional
BHM6016V
Model BHM6016V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 5.5~75kw Diameter 150mm (air intake / air outlet)
Flow rate (NTP,WET) 15.1~46.6 m³/min Frequency 50HZ, 60HZ Dimensions PDF
Shaft power 4.3~50.7kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 830kg Acoustic shield Optional
BHM8021V
Model BHM8021V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 7.5~90kw Diameter 200mm (air intake / air outlet)
Flow rate (NTP,WET) 20.5~68.4 m³/min Frequency 50HZ, 60HZ Dimensions PDF
Shaft power 6.2~71.5kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 1472kg Acoustic shield Optional
BHM8026V
Model BHM8026V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 11~110kw Diameter 250mm (air intake / air outlet)
Flow rate (NTP,WET) 26.3~ 85 m³ /min Frequency 50HZ, 60HZ Dimensions PDF
Shaft power 7.7~87.1kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 1279kg Acoustic shield Optional
BHM8032V
Model BHM8032V Product series BHM series Product type Tri-lobe Roots blower
Vacuum degree -49kpa (368mmHg) Motor power 11~132kw Diameter 300mm (air intake / air outlet)
Flow rate (NTP,WET) 33.4~104.9m³/min Frequency 50HZ,60HZ Dimensions PDF
Shaft power 9.4~105.5kw Voltage 380V, 400V, 415V Drive method Belt
Cooling mode Air cooling Weight (not including motor) 1779kg Acoustic shield Optional

Both belt drive and direct drive are available.
Speak to one of our engineers who truly care about your satisfaction when it comes to the air-cooled Roots blower. Based on your specific requirements, we can select the right lobe blower and provide a reasonable price quote.

Please send to us the following information:
1. Pump capacity(m3/min)
2. Pressure (KPa)
3. Motor power (kw)
4. Specific application environments

In case you have any questions, let us know.
We're sincerely looking forward to a fruitful partnership with you.