Abstract: The invention relates to an apparatus for the distribution of concrete fed by a pump to a plurality of casting areas in building sites, tunnels, wells, and the like, consisting of a single structure (1) supporting a variable-geometry pipe (2) ending with a junction element (5) and part of which is a basic frame (6) housing a plurality of pipe fittings (7), each of which is capable of sealingly engaging with said junction element (5), said variable-geometry pipe (2) being fed by a concrete pump and each of said pipe fittings (7) being connected to one of said casting areas by a pipe.