Vertical vessel

ISO 10628-2 (groups 1-2, vessels, tanks and columns) / PIP PIC001

Drawn as

A tall rectangle with rounded (dished) top and bottom heads, with nozzles: inlet on the side, gas at the top, liquid at the bottom. Equipment tag and design data written beside it.

Meaning

Vertical pressure vessel: scrubber, KO drum, flash drum or receiver. Gas/liquid duty with small liquid volume becomes vertical-separator; an air or nitrogen receiver becomes air-receiver. Read the title and service.

Variants

ISO 10628-2 shows support skirt, legs or brackets as extra marks under the vessel
Internals (mesh pad, vane pack, inlet device) are often drawn inside
Jacketed or insulated vessels have hatching or a second outline