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.

High Capacity 2052 is commonly used for scale-up operations, making it efficient for evaporating solvents such as DMF and pentachloroethane at 160 °C for rotary evaporator volumes of 20L.