Training on Maintenance of spring-loaded Safety Valves - Face-to-face training

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

• Basics of safety valve sizing

• General procedure for sizing safety valves

• Introduction to the sizing program VALVESTAR

• Simple case scenario for sizing, selection and configuration

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 – Basics of Maintenance  

• 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 bellow

• Assembly with torque consideration

• Testing of Clean and Critical Service safety valves

• Assembly of additional equipment

T09 – The Company LESER

• The Company - Your entry into the worl of LESER

• LESER Kontor Tour

• Presentation of the test lab

• Production in Hohenwestedt