5/2 pilot valve

Pneumatic components

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Symbol

5/2 pilot valve symbol with its parts named

What it does

Pilot air at 14: air flows from port 1 to port 4.

Pilot air at 12: air flows from port 1 to port 2.

With no pilot air, the valve stays where it was put.

On the kit
5/2 pilot valve, as it is on the kit

Key words

5/2 valve
A valve with 5 ports and 2 positions.
Pilot air
Air that works a valve, not a cylinder.
Pilot line
A dashed line on a diagram. It carries pilot air.
Port 14 and 12
Air at 14 sends main air out of 4. Air at 12 sends it out of 2.

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