Media filter (multimedia / nutshell)

ISO 10628-2 (groups 6, 8 and 28, filters, separators, agitators) / PIP PIC001

Drawn as

A vertical vessel partly filled with a dotted area (the filter bed), with an inlet distributor on top and a collector at the bottom.

Meaning

Deep-bed filter: seawater injection filtration, produced-water nutshell filters. Usually several in parallel with backwash. Becomes water-filter-package.

Variants

Layers may be shown with different hatching (anthracite, sand, garnet)