Face-to-face Training Maintenance, servicing and repair
LESER-safety valve  Seminar 2_Teaser

Training dates 2025

Description of spring-loaded and pilot-operated safety valves

Training modules

T01 - Function of safety valves in the plant

  • Basics of overpressure protection with safety devices 
  • Overpressure scenarios, terms and definitions according to codes and standards
  • Practical introduction to the parts on the safety valve
  • Function of spring-loaded and pilot-operated safety valves as well as the supplementary loading system
  • Set pressure and cold differential test pressure
  • Tightness
  • Back pressure 
  • Inlet pressure loss
  • Installation and installation position 
  • Materials
  • Regulations, codes and standards

 

 

 

T02 - LESER Chatroom Demonstration

Demonstration with air 

  • Safety valve function based on the lift-pressure diagram of spring-loaded and pilot-operated safety valves and the supplementary loading system
  • Effects of built-up and superimposed backpressure and introduction of product solutions
  • Effect of exceeding the 3 % inlet pressure loss criteria
  • Function in various installation positions

Demonstration with water 

  • Safety valve function based on the lift-pressure diagram of spring-loaded safety valves
     

T05 – Maintenance and repair of safety valves

  • Maintenance intervals
  • Function test in the plant
  • Information, instructions and guidance on maintenance
  • Maintenance process
  • Workshops and necessary equipment
  • Troubleshooting and fixing
  • Web services: Spare part finder, Pressure Change and Certificates 
     

T06 – Maintenance of spring-loaded safety valves

  • Disassembly and cleaning of the parts
  • Spare parts ordering including spare parts kits
  • Rework disc and seat
  • Selection of the correct spring for pressure change
  • Assembly with torque consideration
  • Adjustment of the cold differential test pressure 
  • Various tightness tests according to international standards

T06.01 – Maintenance of Clean and Critical Service safety valves

  • Hygiene requirements 
  • Disassembly and cleaning of the parts
  • Replacement of all soft sealings and the PTFE bellow
  • Assembly with torque consideration
  • Assembly of additional equipment
  • Testing of Clean Service safety valves

T06.02 – Maintenance of pilot-operated safety valves

  • Detailed functional description of the pilot-operated safety valves
  • Additional equipment
  • Disassembly and cleaning of the parts
  • Rework disc and seat
  • Replacement of soft sealings with the LESER spare part kits
  • Assembly with torque consideration
  • Assembly of additional equipment

T09 – The Company

  • The Company - Your entry into the world of  LESER 
  • LESER Kontor Tour
    • LESER Museum 1818 
    • Chatroom, the demonstration facility
    • Product exhibition
  • Presentation of the test lab
  • Virtual factory tour Hohenwestedt
  • Optional factory tour in Hohenwestedt 

Training facts

Training duration 

Training hours

Number of attendees

Training fee

Hamburg

Training location