"The use of this connector requires special preparation of the pipe ends. This preparation may consist of an improvement to the surface finish of the pipe, or the attachement of a companion fitting. Ref. API 6H, Ch. 9" . "Qualified" . "MECHANICAL CONNECTOR" . "MECHANICAL CONNECTOR" . "RDS11159754" . "An artefact which is a pipeline fitting used to create a rigid pressure containing joint in a pipeline or flowline." . "u20683" . "2005.12.19" . .