Air supply

Pneumatic components

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Symbol

Air supply symbol with its parts named

What it does

Main air comes from a compressor. It feeds the whole circuit.

The regulator sets the air pressure. The gauge shows it in bar.

Pipes push onto the air outlets.

On the kit
Air supply, as it is on the kit

Key words

Main air
The air supply that feeds the circuit.
Pressure
How hard the air pushes. Measured in bar.
Regulator
The knob that sets the air pressure.
Gauge
The dial that shows the air pressure.

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