Device for connecting a feed off and return tube to a container for liquids

摘要

A device for connecting at least a feed off and return tube to a bung-hole of a container for liquids and the like having threads at its inner periphery, said device comprising a cylindrical insert having threads at its outer periphery co-operating with the thread of the bung-hole, and a bottom part provided with at least two orifices, a tube mounting having a lower surface to be placed on the bottom of said insert and provided with ports being in communication with said orifices of the insert, and a clamp means to clamp said mounting into said insert, wherein the tube mounting and the insert are provided with lugs and co-operating recesses located according to a certain pattern, wherein a recess is arranged in the wall of an orifice debouching in the bottom of said cylindrical insert, and the co-operating lug protrudes axially out of the tube mounting or vice versa, such that with only two lugs a large number of coding possibilities is provided for.