| 摘要 |
There are described a supply unit for an application device, in particular for a lacquer-application device, and a process for operating such a unit, with at least one pig which is capable of being conveyed in at least one pig line between at least two pig stations, and with at least one sensor for detecting the position of the at least one pig, which is connected to a control unit for controlling the supply unit. An automatically controllable pig-exchange device exhibits a pig-exchange station with a plurality of pig sockets for pigs; a switchable pressure-tight pig connection with which the pig station is capable of being connected to the pig-exchange station and through which pigs are capable of being conveyed in both directions; at least one drive unit which is capable of being controlled by the control unit for connecting and disconnecting the pig connection to and from the pig station and the pig-exchange station; at least one coupling to a supply source for a pushing medium for conveying the at least one pig through the pig connection.
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