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Overfill protection system LIBERTY
Home > Tank truck equipment > Overfill protection system LIBERTY
Overfill protection system LIBERTYThe OPWFTG Civacon Liberty
Designed for tank trucks, tank-truck loading stations (for top and bottom loading), storage depots and service stations. In the event of a possible overfill situation sensed by the Liberty sensors, the Liberty rack monitors output relay will send a signal to a terminal automation system, control valve, or pump, to shutdown the loading operation.
The Liberty
The failsafe and self-checking electronic sensors are available as 2-wire Thermistor, 2-wire quick start Optic, or 5-wire Optic. The Liberty on-board control monitors, with diagnostic display, offer 2-wire and 5-wire optic sensor compatibility with all other brands of rack monitors.
Combines overfill with retain feature of detecting presence of liquid in a compartment prior to loading. All on-board monitors can also be used as stand-alone truck system to close down tank-truck bottom valves in case of an overfull situation. The Liberty system conforms to Atex, Cenelec, and EN standards.

Trailer Equipment List
1 | Sensor(s): (One Per Compartment) Plus Sensor Cable
2 | On-board Control Monitor / ROM
3 | Rack-Compatible Socket(s)
4 | Retain Bottom Sensor
Loading Rack Equipment
5 | Rack Monitor
6 | Connecting Plug
7 | Plug/Monitor Cord Set

Features and Benefits
• Overfill Detection and Bottom Empty Monitoring in one unit
• ROM II Plus on truck monitor with top and bottom compartment sensors, compatible with all industry standard sensor/rack monitor formats
• Alerts driver of product in a compartment, loading cannot proceed without activation of the reset circuit
• Bottom sensor override timer automatically cancels timing when plug removed from socket
• ROM II Plus monitor automatically closes bottom valves for added overfill prevention
• Support for up to 8 compartment tankers using 2-wire optic overfill and bottom sensors
• Support for up to 12 compartment tankers using 5-wire optic overfill sensors only.
• Number of installed sensors automatically “programmed” and blocked at installation
• Compatible with four separate auxiliary input devices (such as brake interlock, vapor return hose connection, etc.), with individual LED confirmation
• Includes LED socket connection status for proper connection assurance

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