Pressure vessels, tanks, large specialty heat exchangers, and other similar equipment generally require large openings for personnel entry (for inspection, cleaning, maintenance, or repairs) or even for certain process additions.…
Similar to eddy current testing, this test method uses an internal probe to inspect heat exchangertubes. But unlike eddy current, ultrasonic inspection is the basis of the method. The IRIS…
A helium leak test can be used to find through-wall leaks in pressure equipment and welds. A vessel or exchanger is first filled with 5-10 psi of helium and sealed.…
Every piece of equipment in a process system should be carefully considered and specified. Arguably the most important safety-related process equipment is the over-pressure control devices. This is considered the…
Positive material identification (PMI) ensures that the components and welds in a unit are actually the correct materials. Following proper procedures for material ordering, receiving, and traceability should prevent any…
Visual Inspection (VT) is the oldest and most basic method of inspection. It is the process of looking over a piece of equipment using the naked eye to look for flaws. It…
