Course Description

A pressure vessel is defined as a closed container designed to hold fluids-either gases or liquids-at pressures significantly different from the surrounding environment. In HVAC systems, pressure vessels are essential for storing energy in the form of pressurized fluids, whether it is steam in boilers or refrigerant in cooling systems. These vessels are not just containers-they are engineered systems designed to withstand internal pressure, temperature fluctuations, and environmental stresses. Because they operate under pressure, they store potential energy. If that energy is suddenly released due to failure, the consequences can be severe, including explosions and structural damage. Designing a pressure vessel requires careful consideration of material properties, wall thickness, operating pressure, and safety factors. Engineers must also account for long-term degradation mechanisms such as corrosion, thermal expansion, and cyclic loading. Understanding these fundamentals is crucial because even small oversights in design or operation can lead to significant safety risks.

What you'll learn in this course?

• Understand the definition and types of pressure vessels used in HVAC systems.

• Identify common hazards associated with pressure vessels.

• Explain the causes and consequences of pressure vessel failure.

• Recognize key safety components and protective devices.

• Understand inspection, testing, and maintenance requirements.

• Apply relevant codes and standards in pressure vessel design and operation.

• Implement safe operational practices in HVAC applications.

• A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from ambient pressure.

• In HVAC systems, pressure vessels are commonly used in boilers, chillers, and refrigeration units.

• These vessels operate under high pressure and temperature conditions, requiring strict safety measures.

Prerequisites

• Basic engineering knowledge and familiarity with HVAC systems and engineering units