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 Trainings Related Courses & TrainingsLearn more about Courses & TrainingsAdvanced User Training Spray Drying & Encapsulation May 2026The advanced spray drying & encapsulation training is designed to give you a theoretical and practical overview of those two techniques. Topics such as how to start and optimize a process, particle engineering, scale up and troubleshooting will be diNIRCal Calibration Training May 2026Take a deep dive into the world of NIR spectra modelling and calibration. The course is designed for NIRFlex N-500/ NIRMaster users who are in charge of developing quantitative and qualitative calibrations with BUCHI chemometric software NIRCal.