Patent ID: 6230736
Filing Date: 2001-05-15
Classification: F16K,Y10S,Y10T

Abstract:
A valve for controlling the flow of fluid products, the valve comprising:a valve housing;at least one movable valve body cooperating with a valve seat associated with the valve housing;the valve body comprising at least one sealing groove open towards the valve seat for receiving a corresponding sealing body adapted for sealing the valve body against the valve seat;the sealing groove having a cross-section which is at least one of convexly curved and circular along the entire circumference of the sealing groove; andthe sealing body being placeable in the sealing groove having a cross-section which is at least one of convexly curved and substantially circular along the entire circumference of the sealing groove and being adapted to the cross-section of the associated sealing groove such that in a contact area between the sealing body and the sealing groove receiving the sealing body no voids are formed; andwherein the sealing groove is connected in fluid-conducting manner to the environment of the valve by at least one fluid leakage channel leading from the sealing groove through the valve body to the environment when fluid leaks from said sealing groove for receiving said corresponding sealing body.