A method for dimensional change of a part of a flexible pipe, and an arrangement for use in the dimensional change

摘要

Changing radial dimensional of a part of flexible pipe involves softening the pipe by heating at 140[deg]C. Introducing the softened pipe over rubber bellows placed inside a pressure container. The inner side of flexible bellows (9) is pressurized to 3 - 8 bars by water to enlarge the central pipe section (2). On cooling the pipe it retains the enlarged shape of the central pipe section. An independent claim is included for an arrangement for use in dimensional changes of a part of the flexible pipe.