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MSP Vacuum Pump for Model 122R Nano MOUDI™ II Impactor

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Product Details

Vacuum pumps are required to draw the sample flow through MSP cascade impactors and air samplers. The pumps below provide adequate flow rate and vacuum level for specific impactor models. These pumps are packaged with all the necessary accessories (fittings, filters and electrical cord) for reliable operation and optimum performance.

These vacuum pumps work according to the rotary vane principle. An eccentrically installed rotor rotates in the cylinder. The centrifugal force of the rotation pushes the vanes, which glide in slots in the rotor, towards the cylinder wall. The vanes separate the sickle-shaped space between rotor and cylinder into chambers. When the chambers are connected with the inlet channel, gas is sucked in, compressed by the next rotation and pushed into the oil separator. Differential pressure constantly causes oil to be passed into the compression chambers. The oil and medium are then discharged into the oil separator and there separated from the exhaust air by gravity and the exhaust filter. Oil collects on the bottom of the oil separator and is passed into the compression chamber again (oil circulation).

FEATURES AND BENEFITS

  • Rotary vane, oil-sealed pump with a thermally protected motor (1.5 kW, 3-phase 230 VAC, 50-60 Hz, 68 kg).
  • Variable frequency drive that allows the user to provide single phase 230VAC, 50-60Hz, 20A electrical power to the pump assembly.
  • Sound level: < 70 dB (A)
  • Ambient Temperature: 10 to 40 °C
  • Reliable, long term operation
  • Smooth, pulsation free flow
  • Regulatory Approval: CSA, UR, CE

 Vacuum Pump Model Numbers 

Impactor Model # Vacuum Pump Model # Power & Notes
122R 0122-01-2016 230V EU plug
122R 0122-01-2011 220V US Plug

 

Relationship between airflow and pump pressure

122R Vacuum Pump Graph

Operating the vacuum pump at a lower frequency (50 Hz; dotted line) results in a lower air flow than when the pump is operated at a higher frequency (60Hz; solid line).

 

 


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