Secondary / minor process or utility line
ISO 10628-2 (group 25) / PIP PIC001 (line conventions)
Drawn as
A medium-weight solid line, thinner than main process lines, with its own line number.
Meaning
Utility, minor process or small-bore line: drains, vents, chemical injection, fuel gas, air. Model it if it is a numbered line between modelled items.
Variants
- Some companies draw utilities in a medium weight and instrument process connections thin
No 3D component yet.