Description
The original Welch 2052 is a full chemical-resistant (not like its cheaper version), 4-head, oil-free dry diaphragm vacuum pump with all-PTFE contact surfaces and deep vacuum capability. Oil-Free, portable, full chemical-resistant, means less maintenance and no more frequent and costly oil change, or cross contamination.
Ai is now the official dealer of Welch vacuum pumps. These pumps are made in Germany with one year warranty and technical support from Welch Vacuum.
Free three feet 3/8″ white premium food grade silicone vacuum tubing ($19.99 value) included with Welch Full Chem-Resistant Diaphragm Pump 2.3 cfm.
http://welchvacuum.com/products/part-2052b-01
Instructions for diaphragm replacement
Specifications
| Electrical requirements |
110v 60Hz single phase 0.53 HP, 390 watts |
| Pumping rate |
2.3 cfm |
| Gasket material | All-PTFE |
| Ultimate vacuum level |
1.5 torr / 2 mbar |
| Maximum vacuum | 29.9 in. Hg |
| Inlet/Outlet | 1/4″ NPT |
| Adjustable vac./gas ballast | No |
| Pump dimensions (LxWxH) |
9 x 15 x 7 inches |
| Shipping dimensions (LxWxH) |
10.2 x 16.6 x 7.5 inches |
| Pump weight |
40.3 Lb |
| Shipping weight | 50 Lb |
| Certification |
CE |
| User’s manual | Download |
Standard package
| Part description | Quantity |
Part image |
| Welch 2052 2.3 cfm full chemical-resistant oil-free diaphragm pump | 1 pc |  |
| White premium food grade silicone vacuum hose (3 ft) | 1 pc |  |
| User’s manual | 1 pc |  |
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