F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L59/00—Thermal insulation in general
F16L59/14—Arrangements for the insulation of pipes or pipe systems
F16L59/147—Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
Bride de dérivation, dispositif de dérivation comprenant un tuyau principal et ladite bride de dérivation et procédé de raccordement par soudage d'une telle bride de dérivation