Connection pipe e.g. for heating cooling cycle, has connection body with larger inside diameter and interior pipe with smaller diameter

摘要

The connection pipe has a connection body (1) with a larger inside diameter and an interior pipe (7) with a smaller diameter. The cylindrical interior pipe (7) is sealed over a ring seal (4) to the cylindrical connection body (1), and a shift of the interior pipe (7) is possible within this nevertheless. For insertion, a recess is provided in the connection body (1) for the ring seal (4).