US Patent 10371266 Flexible sealing ring for valves

A sealing ring is usable in a valve, and has an inner diameter defining a shape of the sealing ring. The shape may be configured to match the shape of a flow bore of the valve. A first side of the sealing ring is configured to abut a body wall of the valve. A profiled face is on a second side opposite the first side, and the profiled face is configured to match a closure member. An outer radial groove cutout is on an outer side between the first side and the second side, and an inner radial groove cutout is on an inner side between the first side and the second side. The outer radial groove cutout and the inner radial groove cutout are configured to elastically deform.