Improved end connector for high pressure reinforced rubber hose

F - Mech Eng,Light,Heat,Weapons – 16 – L

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Details

F16L 33/22 (2006.01) F16L 35/00 (2006.01)

Patent

CA 2753530

An improved swage fitted end connector for high pressure large diameter reinforced flexible rubber hose utilizing sine-wave locking of the reinforcement and particularly suited to the petrochemical and drilling industries. Two embodiments of the improved connector for use with wire reinforced thin internal tube hose are disclosed: one with a diameter of 3- inches and for burst pressures up to 20, 000 psi and the other for a diameter of 5-inches and for burst pressures up to 18,000 psi. All of the improved connectors will withstand the rated burst pressure of the hose without pumping off or leaking thus any hose that utilizes the improved device will fail before the connector pops off the hose. The improved connectors are designed to meet or exceed the new API temperature ranges and new API flexible specification levels which became effective in October 2006.

La présente invention porte sur un raccord d'extrémité amélioré ajusté par sertissage pour tuyau de caoutchouc souple renforcé de grand diamètre à haute pression utilisant un verrouillage sinusoïdal du renfort et particulièrement approprié pour les industries pétrochimiques et pétrolières. Deux modes de réalisation de raccord amélioré sont destinés à être utilisés avec un tuyau à tube intérieur mince renforcé par câbles : l'un avec un diamètre de 76 mm et pour des pressions de rupture atteignant 138 MPa et l'autre pour un diamètre de 127 mm et pour des pressions de rupture atteignant 124 MPa. Tous les raccords améliorés pourront supporter la pression de rupture du tuyau sans pomper les fuites vers l'extérieur ; ainsi, n'importe quel tuyau utilisant le dispositif amélioré sera défaillant avant que le raccord ne fasse éclater le tuyau. Les raccords améliorés sont conçus pour satisfaire aux nouvelles plages de température API ou les dépasser, et satisfaire aux nouveaux niveaux de spécification souples API entrés en vigueur à compter d'octobre 2006, ou les dépasser.

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