Welch 6.1 cfm Full Chemical-Resistant 8-Head Diaphragm Pump
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Manufacturer: Welch Vacuum - Gardner Denver

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

SKU: 2064B-01

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

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


      Technical Data
      Free Air Displacement @ 60 Hz, cfm (L/min) 6.1 (173)
      Ultimate Pressure, torr 6
      Motor Power, HP (kW) at 60 Hz Motor Power, HP (kW) at 60 Hz
      Inlet (Exhaust) Connection Thread NPT NW16 - 1/4" NPT
      Tubing Needed, I.D. in. (mm) Hose Connector Available
      Weight, lbs (kg) 72.3 (32.8)
      Dimensions, LxWxH, in (mm) 21x11x12 (530x280x310)
      115V Order Number 2064B-01


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