Pneumatic Circuit Diagram Keys

3/2 NC Solenoid/Spring valve

Double acting actuator

OR Gate

Shuttle valve

5/2 Solenoid/Solenoid valve

FRL Assembly

Pneumatic timer

Single acting cylinder with spring return

5/3 Air/Air valve (centre closed)

Lubricator

Pressure gauge

Quick exhaust valve

Air filter

 NOT Gate

Pressure regulator

Vacuum generator

AND Gate

NRV/Check valve

Quick exhaust valve