Pipe connection, comprising pipe with radial extension and sleeve with recess for avoidance of rotation

摘要

The pipe (P) has a circular elevation (P') positioned around its outer surface close to one of its ends. A sleeve (1), attached to the end of the pipe (P) is prevented from an unintentional rotation by a stick-shaped radial extension (3-1) to be engaged with a matching recess (1-1) located at the end of the sleeve (1). The combination of extension (3-1) and recess (1-1) can be of various shapes, depending on the purpose of the pipe connection.