Clean operation (oil free), low cost of ownership, highest reliability – these are just a few benefits that customers can appreciate when they use a diaphragm pump for laboratory or industrial applications. With a broad range of diaphragm pumps – ultimate vacuum from 75 to 1 mbar and peak flow rates up to 138 l/min – Welch offers specific pump families and models for a variety of uses. The rugged low maintenance pumps have PTFE heads, perfluoroelastomer valves, and fluorinated plastic wetted surfaces, making DryFast a durable choice for solvent, acidic, and basic vapors.
Model 2044 Research is a two-stage PTFE pump that provides tunable vacuum to 9 Torr (12 mbar) - perfect for evaporation of solvents with atmospheric boiling points to 110 C.
Model 2044 is also used for Vacuum Processing of Sample Prep Kits for Covid 19. Learn more thanks to the brochure on our knowledge hub page.