Overflow and pressure control valves 417

For the protection of: – pumps against overloading in closed circuits for neutral / non-neutral, non-sticking liquids For the control of: – systems under pressure for neutral/ non-neutral gases and vapours and – depending on the sealing material – also for steam • chemical plants, biogas plants • desalination plants • mechanical engineering and process equipment construction • shipbuilding industry and marine equipment • industrial applications • secondary areas in the food-, beverage-, pharmaceutical- and cosmetics-industries