Durable, chemical resistant PTFE construction Easy to operate and maintain Use Welch ® DryFast ® diaphragm vacuum pumps for tough applications requiring chemical resistance. DryFast’s Advanced Vapor Management controls vacuum for precise distillations using handy…

For use with Concentrators and Rotary Evaporators Fluorinated plastics used on all wetted parts Solvent resistant at boiling points under 100°C Portable System is powered by a 1/8 hp, corrosion-resistant, PTFE pump. All wettable parts, including the diaphragm and valves…