Welch 0.9 cfm DryFast 2 Head PTFE Diaphragm Vacuum Pump

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  • Regular price $1,950.00

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

The Welch .9cfm DryFast 2 Head Diaphragm vacuum pump is an ideal pump for 2L and 5L rotary evaporators and vacuum assited filtration. With built in vacuum control via Advanced Vapor Management (AVM), this pump is highly chemical resistance giving you excellent lifespan and vacuum control. Oil-Free, portable, and chemical resistance, this 2 head diaphragm design simplifies pump mantienance. Econimcal and long lasting, these pumps are perfect for any tough lab application.

Key Features:

  • Chemical Resistant 
  • Oil-Free
  • Tuneable vacuum 


  • Applications: Rotary Evaporation/Distillation (medium volatility solvents <110°C B.P., volume ~ 1 liter), Vacuum ovens - small, pumping harsh vapors & gases
  • Type: Diaphragm vacuum pump
  • Free Air Displacement cfm (l/min.) @60Hz: 0.9(25)
  • Ultimate Pressure: 9(12)
  • Maximum Vacuum: 29.6
  • Motor Horsepower (watts): 1/5(150)
  • Adjustable Vac. / Gas Ballast: Yes
  • Tubing Needed: 1/4(7)
  • Intake Thread: M14(1/8)
  • Overall Dimensions LxWxH in. (cm): 13.8x6.8x8.8 (35.2x7.2x22.3)
  • Ship weight: 25
  • Shipping Carton Dimensions LxWxH in. (cm): 21x14x15 (52x35x37)
  • Adjustable vacuum: knob style