Welch 6.1 cfm Full Chemical-Resistant 8-Head Diaphragm Pump

  • Sale
  • Regular price $5,000.00

***Note: This item has a possible lead time of 2-3 weeks depending on stock availability.***

The Welch 6.1CFM Full Chemical-Resistant 8-Head Diaphragm Pump is the ideal choice for 50L Rotary Evaporators and large oven systems. This high capacity, full chemical resistant 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: 

  • Fully Chemical-Resistant
  • Oil-less diaphragm style vacuum pump 
  • High capacity vacuum capability


  • Electrical Requirements: 110v 60Hz single phase
  • Pumping Rate: 6.1cfm / 174L/min
  • Gasket Material: All-PTFE
  • Ultimate Vacuum level: 6 torr / 8 mbar
  • Maximum Vacuum: 29.9 inHg
  • Inlet / Outlet: KF16 Flange
  • Adjustable vac. / gas ballast: No
  • Unit dimensions (LxWxH in): 21x10x12 in
  • Shipping dimensions (LxWxH in): 28x15x20 in
  • Shipping weight (lbs): 90

***Note: Purchase of this pump is subject to End User Verification. A certification form must be filled out before completion of purchase.***