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 40 L / min and adjustable vacuum down to 0.75 Torr. Economical DryFastTM vacuum pumps are perfect for tough lab applications.
Free three feet 3/8" white premium food-grade silicone vacuum tubing ($19.99 value) included.
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| Model | 2040 |
| Free Air Displacement, lpm | 40 |
| Ult. Vac. Pressure, torr (mbar) | 0.75(1) |
| Maximum Vacuum, in. Hg |
29.9 |
| Number heads/Stages |
 2/2 |
| Motor Horsepower, HP (watts) | Â 1/5 (150) |
|
Adjustable Vac/Gas Ballast |
 Yes |
| Tubing Needed, I.D., in (mm) | Â 1/4 (7) |
| Intake(Exhaust) Thread NPT | M14 (1/8) |
| Weight lbs.(kg) |
21.25 (9.6) |
| Overall Dimensions, LxWxH in.(cm |
13.8x6.8x8.8 (35x17x22) |
| Ship Weight, lbs (kg) |
25 (11.3) |
| Shipping Carton Dimensions, LxWxH in.(cm) |
21x14x15 (52x35x37) |
| Wired for 115V, 60Hz, 1Ph, Agency | 2040B-01 |
| Wired for 230V, 50/60Hz, 1Ph, Agency | 2040C-02 |
|
 Part description |
 Quantity |
Part image |
| Â Welch 2040 chemical-resistant oil-free diaphragm pump |
1 pc |
 |
| Â White premium food-grade silicone vacuum hose |
3 ft |
|
| Â Power Cord with Plug | 1 pc | |
| Â User's manual |
1 pc |
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