SPRING GASKET FOR VALVE HOUSING Russian patent published in 2018 - IPC F16K5/06 

FIELD: valves industry.

SUBSTANCE: invention relates to valves and methods for producing a valve for regulating fluid flow. Valve consists of a valve housing with a central part and with two connection ends, the connection ends extending away from the central part, thus indicating a flow direction for the fluid, wherein internally of the central part there is arranged a valve body including at least a shutoff part and a through-flow part. Valve seat is arranged in the valve housing and resiliently bearing against the valve body, the valve seat including a resilient structural part, where the spring action from the resilient structural part acts in a direction which is substantially in parallel with the flow direction of the valve, and where the resilient structural part includes at least one annular flange part adapted for direct or indirect bearing on the valve body. Resilient valve seat or seats include a fixing member for mechanical fixing of the valve seat in a valve housing, the fixing member including means, for example a flange part, fixed in a valve housing by plastic deformation of the valve housing and/or by plastic deformation of the means.

EFFECT: invention is aimed at the reliability of fixing the seal of a valve housing.

11 cl, 9 dwg