1. General release solenoid valve
It closes compressed air mains supply when the machine is not powered.
2. Bi-stable solenoid valve:
It stops all pneumatically driven movements when electricity is disconnected, both in case of a blackout and
when the emergency button is pressed.
3. Padlockable air inlet tap:
If closed and padlocked, machine cannot be started by unauthorised personnel.
4. Pressure switch
It sets the machine to emergency mode when line pressure is lower than the set value.
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