Pinch valve

ISO 10628-2 (group 21, valves) / PIP PIC001

Drawn as

A flexible sleeve: two curved lines bowing in towards the centre between short end bars, with two solid arrowheads pressing in from above and below.

Meaning

Valve that closes by squeezing a rubber sleeve. Used for slurry, sand and abrasive service. Rare offshore. No dedicated component; use a generic valve and note it.

Variants

Legends vary widely: some show a bow-tie with "P" or "PINCH" beside it
Air-operated pinch valves show the air connection to the body