anti-overflow and anti-fuel contamination device for the lower nozzle loading process of tank trucks

摘要

anti overflow and anti fuel contamination device for the loading process by lower nozzle of tank trucks. comprised of a check valve, which accommodates in its internal front section, a main chamber equipped with an optical sensor for the presence of liquids connected through a spiral cable to a control panel, with communication relays, being that, externally to the female api connector contains a sensor installed on the opening lever. the device is mounted between the female api connector and the loading arm tubing, connected to the tank truck's loading and unloading tubing, through the male api connector, and locked after the opening lever is activated.