Series 55-400 Remote Vacuum Switchover

The Wallace & Tiernan® Series 55-400 remote vacuum switchover is designed to provide unattended automatic switchover to a fresh gas supply when the online supply is exhausted.

Wallace & Tiernan® Series 55-400 remote vacuum switchover unit provides unattended automatic switchover to a fresh gas supply when the on-line supply is exhausted. It provides for vacuum manifolding of multiple gas containers for high capacity feedrates up to 4000 PPD of chlorine or its equivalent. This unit is installed in the vacuum gas feed line between separate banks of vacuum regulating valves and the gas control unit of a new or existing gas feed disinfection system.

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Features and Benefits

Non-isolating switchover allows gas to continue to be withdrawn from the depleted supply making sure that the containers are completely empty
Switchover is automatic. Operator attention is only required for replacing the empty containers and resetting the unit.
Manual release button allows for manual switchover.
Easy-to-read icons for positive indication of operating status.
Wall or panel mounting for operator convenience.
Suitable for use with chlorine, sulphur dioxide or ammonia gas.
Optional status contact for remote indication of switchover.

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