The Local Manual Control Head features a local lever driven that depresses a Schrader check valve, thereby venting the pressure from the top of the piston in the cylinder valve. This allow the piston to slide upward and commence cylinder discharge.
The Local Manual Control Head mounts directly to a top plug adapter, which is located at the top of the cylinder valve. It is used for manual actuation of cylinder, and made of solid Brass. It is self-venting with a safety pin to prevent accidental discharge.
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