Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

Welch™ DryFast™ and DryFast Ultra™ Diaphragm Vacuum Pumps

Designed for use with rotary evaporators, concentrators and vacuum ovens

Manufacturer:  Welch™ 2014B01

 View more versions of this product

Catalog No. 01257156

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



Designed for use with rotary evaporators, concentrators and vacuum ovens

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



115 V
79 Torr
19 lb.
Pump, 6 ft powercord and plug (115V US standard)
115 V 60 Hz
6.8 kg
60 Hz
21.1 cm
30.5 cm
Vacuum Pump
Filtration, Filtration, Rotary Evap. BP to 40°C, Rotary Evaporation
40 torr
0.2 hp
8.6 kg
PTFE, Perfluoroelastomer
15 lb.
25 L/min to 70 L/min
8.3 in.
12 in.
7 in.
35 L/min.
Product Certifications
Provide Content Correction

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit