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 1 head design for easy maintenance.
Model 2014 is a general utility vacuum pump with excellent flow. Use Model 2014 for vacuum filtration up to 2 funnels, rotary evaporation of volatile solvents (35o evaporation for atmospheric B.P.solvents to 80o C), and other routine laboratory vacuum processes.