füllrohr for petroleum products, set up his notentkopplung

摘要

Process of emergency disconnection of an arm 1, 1 ′ of the loading / unloading of petroleum products comprising a fixed tubular portion 2, 2 ′ connected to a pipe 3, 3 ′ and a deformable tubular portion 4, 4 ′ is equipped with a balancing system to a vacuum 6, 6 'provided with a coupler 23, 23' adapted to be connected to a mobile pipe is subjected to fluctuations of the screw - to - screw of the pipe is fixed, characterized in that, for a given direction of flow of a fluid stream in this arm, it blocks 30, 30 ′, 130 this stream in an upstream zone 14, 16a, 5 'of this arm and, on the basis of this zone, is driven back by means of a scraper 43, 143 at least almost - all the vein fluid contained in the deformable tubular portion 4, 4 ′ to a downstream zone 5, 9 ′ of the arm.