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Welch 2163 6.1 cfm Full Chemical-Resistant 8-Head Diaphragm Pump

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6 torr, recommended for our 50L SolventVap rotary evaporators. cUL, CE certified


cUL only available to 110V model.

The Welch 2163 is a high capacity full chemical-resistant, 8-head, oil-free dry diaphragm vacuum pump with all-aluminum 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.



 Electrical requirements
 110V or 220V, 50/60Hz single phase
 Pumping rate
 6.1 cfm / 174 L/min
 Gasket material  All-PTFE
 Ultimate vacuum level
 6 torr / 8 mbar
 Maximum vacuum  29.9 in. Hg
 10mm hose barb
 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 (optional, 110V only), CE

Standard package

 Part description
 Welch 2163 6.1 cfm 8-head diaphragm pump
1 pc
 User’s manual 1 pc


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