Welch Duoseal 1405 Vacuum Pump

Cambridge Scientific ID: 20622 Category: Tag:



DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir temperature to lessen chemical reactivity. Pump can be ordered with an optional exhaust filter to control oil mist.


  • Applications: Vacuum Ovens, Glove Boxes, General Laboratory Vacuum 
  • Free Air Displacement cfm (l/min.) @60Hz: 3.2(90)
  • Ultimate Pressure: 1 x 10-4(0.00013)
  • Pump RPM: 525
  • Intake Thread NPT: 1-20 straight thread
  • Exhaust Thread NPT: 1-20 straight thread
  • Overall Dimensions LxWxH in. (cm): 20x12x15 (51×30.5×60)

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