Welch 1402 DuoSeal Rotary Vane Mechanical Vacuum Pump Rebuilt

The Welch 1402 DuoSeal Belt Drive Pump has a pumping speed displacement of 5.6 CFM.

These pumps are commonly used for the following:

  • Vacuum furnace evacuation
  • Backing turbo-molecular pumps
  • Backing diffusion pumps
  • Rotary evaporation
  • Refrigeration system evacuation
  • Vacuum sterilization
  • Backing mass spectrometers
  • Freeze drying
  • Vacuum centrifugal applications
  • Vacuum distillation
  • Space research
  • and other vacuum processes.

For more information please check the data sheet here.

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