Welch 2163 6.1 cfm 8-Head Diaphragm Pump
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Manufacturer: Welch Pumps
The Welch 2163 is a high capacity, 8-head, oil-free dry diaphragm vacuum pump with coated aluminum heads, PTFE diaphragms and deep vacuum capability. Oil-Free and portable, it means less maintenance and no more frequent and costly oil change, or cross-contamination.
These pumps come with a one year warranty and technical support from Welch Vacuum.
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The Welch 2163 is an eight-head, oil-free diaphragm pump built for large solvent loads. Reaching 6 Torr with high flow, it is well suited to evaporating alcohols such as ethanol and IPA, and it handles water vapour well, which makes it useful for stripping water from extracts.
Eight heads share the work, which suits large rotary evaporators, vacuum ovens and several workstations on one line. The KF16 inlet takes standard vacuum fittings, and a hose nozzle for 8 mm hose is included.
With no oil there are no oil changes, no oil mist and no oil contamination of the product.
| Electrical requirements | 110V or 220V, 50/60Hz single phase |
| Pumping rate | 6.1 cfm / 173 L/min |
| Gasket material | All-PTFE |
| Ultimate vacuum level | 6 torr / 8 mbar |
| Maximum vacuum | 29.9 in. Hg |
| Inlet/Outlet | KF16 Small flange DN with optional hose nozzle DN 8 for hose inside diameter 8 mm (enclosed) |
| Adjustable vac./gas ballast | No |
| Unit dimensions | 21.25 x 9.25 x 12" (LxWxH) |
| Package dimensions | 28 x 16 x 20" (LxWxH) |
| Shipping dimensions | 40 x 48 x 25" (LxWxH) |
| Package weight | 90 Lbs |
| Shipping weight | 130 Lbs |
| Compliance | cUL |
Standard Package
| Welch 2163 6.1 cfm 8-head diaphragm pump | 1 pc |
| Threaded Hose Barbs (Welch PN: 710798) | 2 pc |
| Pneumatic Plastic Muffler | 1 pc |
| Power Cord with Plug | 1 pc |
| 12 mm diameter EPDM O-ring (Welch PN 829217-3) | 2 pc |
| User's manual | 1 pc |
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