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Welch™ DryFast™ and DryFast Ultra™ Chemical Duty Vacuum Pumps

Designed for use with rotary evaporators, concentrators and vacuum ovens

Manufacturer: welch™  2014B01

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Pump, 6 ft. power cord and plug. (115V US Standard plug)

Catalog No. 01257156

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Description & Specifications


Max. Pressure 40 torr
Air Displacement 35L/min.
For Use With (Application) Filtration, Rotary Evap. BP to 40°C
Includes Pump, 6 ft powercord and plug (115V US standard)
Model 2014
Weight (English) 15 lb.
For Tube Size (English) 0.25 in.
Certifications/Compliance CE, CSA
Shipping Weight (Metric) 8.6kg
Shipping Weight (English) 19 lb.
Weight (Metric) 6.8kg
Length (Metric) 30.5cm
For Tube Size (Metric) 0.63cm
Electrical Requirements 115V 60Hz
Length (English) Exterior 12 in.
Material PTFE, Perfluoroelastomer
Pump Head Material PTFE
Hertz 60Hz
Horsepower 0.2hp
Voltage 115V
Length (English) 12 in.
Height (Metric) 21.1cm
Width (English) 7 in.
Height (English) 8.3 in.

Use these oil-free DryFast vacuum pumps for applications requiring chemical resistance. DryFast pumps provide mid-range vacuum (2 to 79 torr) with easy adjustment and low maintenance. Flow rates from 25 to 70 L/min). Select a DryFast model to suit your application needs:


  • Rotary Evaporation to 40°C atmospheric B.P.: 2014B-01 (1-head design)
  • Rotary Evaporation to 100°C atmospheric B.P.: 2034B-01, 2044B-01
  • Rotary Evaporation to 40°C atmospheric B.P.: 2032B-01, 2042B-01
  • Vacuum Filtration to 2 funnels: 2014B-01 (1-head design)
  • Vacuum Filtration to 6 funnels: 2037B-01, 2047B-01
  • Vacuum Ovens to 1.5 ft³: 2042B-01
  • Vacuum Ovens to 4.5 ft³: 2047B-01

Design Advantages
  • PTFE / fluorinated contact surfaces
  • Efficient 2-head diaphragm design reduces maintenance
  • Advanced Vapor Management knob for easy vacuum adjustment
  • Compact, portable, quiet
  • Readily connects using ¼ in. ID tubing
  • All listed models 115V 60 Hz


CSA, CE Marked