Welch 2034 DryFast 0.9 cfm PTFE Diaphragm Vacuum Pumps are great for 2L and 5L rotary evaporators, these 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. Economical DryFastTM vacuum pumps are perfect for tough lab applications.
Ai is the official dealer of Welch vacuum pumps. These pumps are made in USA with one year warranty from Welch.
Free three feet 3/8″ white premium food grade silicone vacuum tubing ($19.99 value) included.
| Electrical requirements
|| 110 or 220 Volts 60Hz single phase, 0.2 HP, 150 Watts
|Application|| Rotary Evaporation/Distillation (medium volatility solvents <110oC B.P., volume ~ 1 liter),
Vacuum ovens – small, pumping harsh vapors & gases
| Pumping rate
|| 0.9 cfm
| Ult. vacuum pressure
|| 9 torr
|Maximum vacuum||29.6 in. Hg|
Intake (vacuum connection)
|Exhaust||1/4″ hose barb|
|Adjustable vac./gas ballast||Yes|
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
|Owner’s manual||Click here to download|