Explosion Cladding
If a vessel requires thick shells and heads due to the design conditions but also needs the corrosion resistance of an expensive nickel alloy, it could be a very expensive piece of equipment.…
Category: ASME Code, TEMA and API Facts
Nozzle Thickness Requirements in UG-45
How does the ASME Code determine how thick nozzles should be? While the standard code calculation for a cylinder under internal pressure often gives minimal requirements—frequently less than 1/16″ for…
Code Interpretations
Understanding ASME codes can be challenging, even though the code committees work to present information clearly. It can be difficult to convey the complex technical subject matter fully through text…
Code tolerances – Shell roundness
The ASME code gives tolerances for shell roundness in section UG-80, but this section is often misunderstood. UG-80 has two parts, (a) and (b). UG-80(a) applies to all vessels. It…
TEMA Data Sheets
TEMA’s Heat Exchanger Specification Sheets have been updated in the latest edition. Often referred to as TEMA data sheets, they can be used in multiple ways to communicate the requirements for…
The TEMA 11th Edition is now available!
TEMA 11th Edition The 11th Edition of the TEMA (Tubular Exchanger Manufacturers Association) Standard is now available! This edition is being published as a digital subscription only. One of the largest…
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