Valves are the most common type of processing equipment. Valves are used for many purposes: Isolation Throttling Safety Release (discussed in a previous segment) Sampling Flush Bottom Within each basic…
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.…
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…
Pad flanges are nozzles in a vessel that allow the shortest possible projection outside and inside the vessel. This is critical in some applications for mounting certain equipment to the…
