Welch 2.3 cfm High Capacity 4-Head Oil-Free Diaphragm Chemical Vacuum Pump

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  • Regular price $3,550.00

***Note: This item has a possible 1-2 week lead time depending on stock availability***

The Welch 2.3 cfm High Capacity 4-Head Oil-Free Diaphragm shatter vac vacuum pump is the ideal choice for 10L, 20L, 30L, and 50L Rotary Evaporators, large vacuum oven systems, and large extraction systems. This high capacity pump gives users the ability to vac down large capacity spaces quickly, efficiently, and cleanly without worrying about contamination of pump oil. The inner diaphragm is lined with PTFE making it highly chemical resistant and long lasting. It is one of the quietest and cleanest running vacuum pumps on the market. 

Key Features:

  • Full chemical resistance PTFE lined
  • Oil-less diaphragm style vacuum pump
  • High capacity vacuum capability


  • Electrical Requirements: 110v 60Hz single phase
  • Pumping rate: 2.3cfm
  • Ultimate Vacuum Level: 1.5 Torr / 2 mbar
  • Maximum Vacuum: 29.9 in.hg
  • Inlet / Oulet connection: 1/4" FNPT
  • Motor Horsepower (watts): 1/2(390)
  • Dimensions: 9x15x7 in.
  • Shipping Dimensions: 10.2x16.6x7.5 in.
  • Pump weight: 40.3 lbs
  • Shipping weight: 50 lbs
  • Certification: CE