Closed-head drums have a permanently attached lid with one or more small openings. what are these small openings called Bungs.
Closed-head drum kegs have a tight head without a removable lid. The top and bottom are firmly connected to the drum. Closed-head steel kegs feature one or two keg stoppers for easy filling and dispensing of liquids.
Closed-head drums are for water and other liquid products. Open-top drums are primarily for dry products, although they can also be used for liquids. The open head (or open top with lid) makes loading and unloading the product easy.
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