HomeProductsParts & AccessoriesEx Proof Vacuum PumpChemical resistant PTFE membrane vacuum pumpThe Ex Proof Vacuum Pump is a PTFE membrane pump used for the Rotavapor® R-250 EX and is with a capacity of 3.7m3 /h and a final vacuum of 3mbar. 230 V / 50 Hz. ServicesMore ServicesDiscover our servicesInstallationMaintenance & RepairQualification & Calibration Training