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…
ASME Code, TEMA and API Facts
Category: ASME Code, TEMA and API Facts
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…
Changing Service of Equipment
It is often desirable to change the service of pressure equipment during its lifetime. There can be substantial savings for a new or modified plant process if existing equipment can used…
Allowable Stress
ASME code design rules use an allowable stress design philosophy. In this type of engineering design, the true expected loads are defined, and a stress in each component is calculated…
Quality Program
The ASME code requires each fabricator that builds or repairs ASME code equipment to have a quality program in place. A written quality manual is required for the program, which…
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