Low noise ball valve assembly

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

Patent

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Details

F16K 47/02 (2006.01) F16K 5/08 (2006.01) F16K 5/12 (2006.01) F16K 47/04 (2006.01)

Patent

CA 2214171

A ball valve assembly and method in which a ball valve is rotatable in a conduit section to and from an open position in which at least a portion of a bore in the valve registers with the inlet and the outlet of the conduit section to permit the flow of the fluid through the conduit section. An insert is disposed in the bore and has a plurality of through passages formed therein for reducing the noise caused by the fluid flow though the ball valve and is operable over a relatively wide range of pressure drops and flow rates.

Robinet à tournant sphérique et méthode de rotation du robinet à tournant sphérique dans une section de canalisation vers la position ouverte et à partir de cette position dans laquelle au moins une partie du diamètre de soupape coïncide avec l'entrée et la sortie de la section de canalisation pour y permettre l'écoulement du fluide. Un insert est placé dans le diamètre du robinet; il comporte un certain nombre de passages de part en part afin de réduire le bruit du fluide qui s'écoule par le robinet à tournant sphérique et il est utilisable pour une gamme relativement étendue de baisses de pression et de débits.

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