Description
Welch ® DryFast ® diaphragm pumps provide oil−free vacuum for tough applications requiring chemical resistance. Set vacuum level anywhere in working range using handy adjustment knob. Quiet, durable pumps have PTFE and perfluroelastomer contact surfaces, with a 2 head design for easy maintenance.
Use Model 2034 for benchtop rotovap rotary evaporation up to 2 L of many solvents (35o evaporation for atmospheric B.P.solvents to 110o C), and other routine laboratory vacuum processes.