Patent ID: 7690625
Filing Date: 2010-04-06
Classification: F16K

Abstract:
1. A valve comprising: a valve body; a chamber provided in said valve body, said chamber having an end with an outlet and a seat; a shutter provided in said chamber; a plug-forming part provided on said shutter, the plug-forming part configured to rest against the seat to close the outlet in a closed position of the valve and configured to be remote from the seat in an open position of the valve; and a magnetic control device including: wherein said magnetically driven member engages said shutter such that said shutter is driven to the open position or to the closed position by the magnetically driven member when said magnetically driven member is moved by said external magnetic driving means; wherein the shutter is configured to allow the at least one ball to freely rotate and roll along an inside surface of the valve body, thereby preventing the shutter from contacting a side wall of the valve body.