Leakage-free screen changers

摘要

Econ's leakage-free screen changers enable efficient and reliable filtration,says the company.Its range includes the Thermosealer models,which come with permanent air cooling for sealing the gap at the ends of the piston,preventing leakages under higher process pressures.The series was developed for extremely low-viscosity melts,such as PET and PA.Even the filtration of highly viscous melts such as polycarbonate are simplified by this technology,since the gap-in order to avoid any possible blockages of the piston in the block-can now be chosen at a control unit.