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…
Tag: Joint Design
HEAT EXCHANGER RE-TUBES – #METALMARKETUPDATE (FEBRUARY, 2024)
Did you know that Ward’s Field Service Group performs on-site and shop repairs, including partial and full re-tubes of all shapes and sizes? Ward is well known as a premier…
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…
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…
Seismic Design
Similar to our discussion of wind design last month, seismic forces should be considered in pressure vessel design. Earthquakes are rare, but if not properly accounted for, a pressure vessel…
Dimensional Tolerances
The ASME code has surprisingly few dimensional tolerances. In fact, in section U-5, the Code states that tolerances are not fully addressed, and allowable tolerances should be based on engineering…
