Shuttle valve

Pneumatic components

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Symbol

Shuttle valve symbol with its parts named

What it does

Air into either port 1 comes out of port 2.

The ball is pushed across. It blocks the other port 1.

This is OR control.

On the kit
Shuttle valve, as it is on the kit

Key words

Shuttle valve
Two inputs, one output.
OR control
Either input gives an output.
Input
Air coming in.
Output
Air going out.

Print the A3 poster (PDF)

Sources & credits: Symbols drawn to ISO 1219, as used in N5 Engineering Science. Kit drawings by R Stewart, from the Matrix CP2080 kit. Full site credits are on the credits page. R Stewart - October 2026