LESER GmbH & Co. KG

High Efficiency

Solutions for high plant efficiency

Pilot operated pressure relief valves

• Highest blow-off capacity of all series
• Tightness right up to set pressure
• Operating pressures up to 96% of the set pressure
• Back pressures up to 70% of the set pressure
• Backflow preventer integrated as a standard component 
• Integrated Piping prevents damage and freezing

Supplementary Loading System

Equipment that enables the following pressure relief valve characteristics:

• Tightness right up to set pressure
• Operating pressures up to 97% of the set pressure 
• Low loss of medium due to short opening times
• Function test and valve adjustment possible during operation
• Suitable for all media temperatures