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TEMA U-Tube Types
The U in a TEMA designation is always the rear head. BEU, AEU, BKU and DEU differ only in what sits in front of it, and that front end decides cost, access and pressure rating.
Shell & Head Options
E, F and K shells behave very differently around a U-bundle. The shell sets your LMTD, your vapor disengagement space and whether a temperature cross is survivable.
Orientation & Mounting
Horizontal, vertical or through a tank manway. Orientation decides venting, draining, support design and the clearance you need to pull the bundle for cleaning.
U-Tube vs Other Designs
Honest comparisons against fixed tubesheet, floating head, straight tube and plate. Including the duties where a U-tube is the wrong answer and we will tell you so.
