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Instructor's Guide
Pressure Relief Valves
Jump into relief valves with this colorful session! Lessons walk you through the fundamentals of direct acting and balanced, pilot operated relief valves, as well as some basic relief valve concepts and vocabulary. Multiple puzzles challenge you to build schematic and graphic versions of direct and balanced relief valves, and animations let you experiment with relief valve settings safely while simulating dangerous situations.
Ready to move on?
You should be able to:
- Identify basic features of pressure control valves
- Explain common characteristics of spring-loaded poppets
- Explain the function of a direct acting relief valve
- List advantages and disadvantages of the direct acting design
- Demonstrate how a pilot operated relief valve functions, and why it's often chosen for high-pressure, high-flow applications.