Chemistry diaphragm pumps for aggressive gases and vapors. These economy models are without vacuum control, with various different ultimate vacuum and pumping speed. Various models are equipped with a separator at the inlet (AK) to protect against droplets and particles and/or a waste vapor condenser at the outlet (EK) for near-100-percent solvent recovery. Not sure which pump you need? We'd be happy to advise you. Simply fill out an enquiry form and our applications specialists will be able to help.