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Product Category Description:
These dry vacuum pumps, designed to meet chemical duty laboratory needs, are ideal for rotary evaporation, concentrators, evaporators, vacuum ovens, filtration, degassing, and other chemical applications. Pumps feature built-in advanced vapor management (AVM) for precise control capability of the distillation of organic solvents and applications handling aggressive vapors and gases.
Pumps are constructed with solid PTFE heads, PTFE diaphragms, Kalrez* valves, and utilize fluorinated plastics on all wetted surfaces. Pumps feature flows to 70L/min and ultimate vacuum levels down to 2torr. No cold traps are needed to operate. These stand-alone vacuum pumps need very little maintenance, leading to low cost of ownership and improved productivity.
The 115V pumps are supplied with a North American plug. The 230V pumps are supplied with a Continental European (Schuko) plug with IEC cord. The 115V pumps are CSA certified. The 230V pumps are CE marked.
| Free AirDisplacementL/min. (cfm): | 35 (1.2) | |
| MaximumVacuum,mm Hg (in. Hg): | 758.2 (29.85) | |
| Ultimate Pressure,mbar (Torr): | 3 (2) | |
| Electrical: | 115V, 60Hz, 1Ph | |
| Welch No.: | 2042B-01 | |
| Unit: | Each | |
| Horsepower: | 1/5 | |
| Tubing Needed: | 7 mm (1/4") | |
| Dimensions, Unit: | 35.2L x 17.2W x 22.3H cm (1313/16 x 613/16 x 813/16") | |
| Dimensions, Shipping: | 52.1L x 35.1W x 36.8H cm (201/2 x 1313/16 x 141/2") | |
| Weight, Unit: | 9.6 kg (21.3 lbs.) | |
| Weight, Shipping: | 11.3 kg (25 lbs.) | |
Gardner Denver Welch DRYFAST and DRYFAST ULTRA Chemical Duty Vacuum Pumps with Advanced Vapor Management, Welch 2042B-01 Dryfast Ultra Pumps