Reciprocating compressor

ISO 10628-2 (groups 16, 17 and 20, compressors, blowers, engines) / PIP PIC001

Drawn as

A cylinder rectangle with a double-acting piston inside, joined by a rod to a crank circle, with suction on top and discharge underneath each cylinder.

Meaning

Reciprocating compressor (API 618): instrument air, fuel-gas boosting, high-pressure small flows. Becomes reciprocating-compressor (instrument-air packages become instrument-air-package).

Variants

Each stage cylinder may be drawn separately with pulsation bottles
It looks like a reciprocating pump; the tag (K) and the service decide