Gardner Denver Welch DRYFAST and DRYFAST ULTRA Chemical Duty Vacuum Pumps with Advanced Vapor Management Welch Dryfast Ultra Pumps. Combining top-notch and uncompromising quality with an affordable price the Gardner Denver Welch DRYFAST and DRYFAST ULTRA Chemical Duty Vacuum Pumps with Advanced Vapor Management Welch Dryfast Ultra Pumps 2042B-01/ 55009-286 can fulfill your laboratory needs while still offering a great value for the money. 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. Specifications for Gardner Denver Welch DRYFAST and DRYFAST ULTRA Chemical Duty Vacuum Pumps with Advanced Vapor Management Welch 2042B-01 Dryfast Ultra Pumps : Free AirDisplacementL/min. (cfm): 35 (1.2) MaximumVacuummm Hg (in. Hg): 758.2 (29.85) Ultimate Pressurembar (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.) (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Gardner Denver Welch products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Apparatus with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Gardner Denver Welch Laboratory Apparatus. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Gardner Denver Welch DRYFAST and DRYFAST ULTRA Chemical Duty Vacuum Pumps with Advanced Vapor Management Welch Dryfast Ultra Pumps 2042B-01/ 55009-286 we carry a full complement of Laboratory Apparatus as well as other product offerings from Gardner Denver Welch. We also carry a full line of Gardner Denver Welch accessories to help meet your laboratory and scientific needs. For a complete selection of Gardner Denver Welch Laboratory Apparatus please visit our Gardner Denver Welch page. For more brand name Laboratory Apparatus please visit our Laboratory Apparatus store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Gardner Denver Welch DRYFAST and DRYFAST ULTRA Chemical Duty Vacuum Pumps with Advanced Vapor Management Welch 2042B-01 Dryfast Ultra Pumps