Series 453

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
• test rig construction
• mechanical engineering and process equipment construction
• shipbuilding industry and marine equipment
• desalination plants
• offshore applications
• secondary areas in the food, beverage, pharmaceutical, and cosmetics industries