External pipe testing tool and testing method using same

Details External pipe testing tool and testing method using same External pipe testing tool and testing method using same

G - Physics

01

M

G01M 3/28 (2006.01) F16L 55/00 (2006.01)

Patent

CA 2670034

An apparatus for testing the integrity of pipe welds includes a sleeve for circumferentially surrounding the pipe, the sleeve having an inner diameter greater than the outer diameter of the pipe. The sleeve having end walls extending radially inwards towards the pipe wall. The apparatus including at least two seals to form a sealed annular space between the pipe, the sleeve and the sleeve end walls. A filling and pressurizing means pressurizes the annular space. The test procedure comprises monitoring of the pressure within the space.

L'invention porte sur un appareil permettant d'évaluer l'intégrité de soudures de tubes comportant: un manchon entourant le tube et d'un diamètre intérieur plus grand que le diamètre extérieur du tube, le manchon présentant des parois d'extrémité s'étendant radialement de l'intérieur vers la paroi du tube, et l'appareil incluant au moins deux joints d'étanchéité de manière à former un espace annulaire étanche entre la le tube, le manchon et ses parois d'extrémité; et un moyen de remplissage et mise sous pression de l'espace annulaire. La procédure de vérification consiste à suivre la pression dans l'espace annulaire.

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