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Welch 2047 2.5 cfm DryFast 2-Head Diaphragm Chemical Duty Pump


Welch DryFast PTFE Diaphragm Vacuum Pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management (AVM). Oil-Free, portable, chemical resistant, 2 head diaphragm design simplifies maintenance. Choose from seven dry PTFE vacuum pump models with flows up to 70 L / min and adjustable vacuum down to 2 Torr. Economical DryFastTM vacuum pumps are perfect for tough lab applications.

SKU: 4200781 Category: Tag:


 Electrical requirements
 115V or 230V, 50/60Hz single phase

 Vacuum filtration

 Pumping rate
 2.5 cfm

 Ult. vacuum pressure
 35 torr

 Maximum vacuum
 28.5 in. Hg

 Vacuum connection
 3/8″ hose barb

 Adjustable vac./gas ballast

 Pump dimensions (LxWxH)
 13.8 x 6.8 x 8.8″

 Shipping dimensions (LxWxH)
 21 x 14 x 15″

 Pump weight
 21.25 Lb

 Shipping weight
 25 Lb


 One year

 User’s manual, product brochure 

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