Hemispherical or elliptical end closures for reflux drums in distillation systems.
Heads are the end closures of a reflux drum, designed to withstand internal pressure and temperature variations in distillation processes. They provide structural integrity and facilitate fluid distribution within the drum, typically featuring nozzles for inlet/outlet connections and manways for maintenance access.
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Ellipsoidal (2:1 ratio) heads are most common for standard pressure applications, while hemispherical heads are used for higher pressure services due to better stress distribution.
Carbon steel offers cost-effectiveness for non-corrosive services, while stainless steel or clad materials provide corrosion resistance for acidic or high-purity applications in chemical manufacturing.
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