Free floating diaphragm flow control valve

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

Patent

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F16K 31/00 (2006.01)

Patent

CA 2583929

A free floating diaphragm flow control valve includes concentric inner and outer bodies, where a partition plate divides the inner body into two equal inlet and outlet chambers. A cylindrical cavity, concentric with the inner and outer cylindrical bodies, provides space for a sheet diaphragm looping around a seat provided by the inner cylindrical body. The doubled up ends of the sheet diaphragm are held together by a tie assembly which has an integral bolt stem held that is shared with an actuator, which actuator, working in tandem with the pipe line's pressurized fluid around the diaphragm, can actuate the diaphragm's tied up ends, to open or close the diaphragm around its seat to control the fluid flow through the valve.

L~invention concerne une vanne de régulation de débit à membrane flottante, comportant des corps cylindriques intérieur et extérieur concentriques, une plaque de séparation divisant le corps intérieur en deux chambres d~entrée et de sortie égales. Une cavité cylindrique, concentrique avec les corps cylindriques intérieur et extérieur, fournit l~espace nécessaire à une membrane en feuille enroulée en boucle autour d~un siège formé par le corps cylindrique intérieur. Les extrémités réunies de la membrane en feuille sont maintenues par un ensemble d~attache comportant une tige de boulon intégrée partagée par un actionneur, lequel actionneur, en association avec le fluide sous pression entourant la membrane qui s~écoule dans une canalisation, est capable d~actionner les extrémités attachées de la membrane pour ouvrir et fermer celle-ci autour de son siège et réguler ainsi le débit de fluide la traversant.

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