What is Flange Rigidity?
In the ASME code, Appendix 2 gives the rules and formulas for design of custom flanges (in other words, flanges that are not standard Class 150, 300, etc). Although the…
Category: ASME Code, TEMA and API Facts
External Heating/Cooling Jackets: Half-pipe type
The most commonly used type of heating/cooling jacket in the chemical industry is the half-pipe jacket. This jacket uses a 180° segment of pipe welded directly to the shell in…
External Heating/Cooling Jackets: Conventional Type
In the last newsletter, we discussed dimpled type jackets for pressure vessels. For some applications, a conventional type jacket might be the best choice. A conventional jacket consists of a…
External Heating and Cooling Jackets: Dimpled Type
Over the next few newsletters, we will discuss various jacket types available for pressure vessels. Jackets are commonly used for heating or cooling the contents of a vessel, or to…
Code Updates
The 2023 edition of the ASME Code has been published and will become mandatory for all orders placed on or after January 1st of 2024. Some of the major changes in…
Double Tubesheet Designs
If your process absolutely cannot tolerate mixing of the shell side and tube side fluids in a heat exchanger due to safety or process purity concerns, you may want to…
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