Patent ID: 9097364
Filing Date: 2015-08-04
Classification: F16K,Y10T

Abstract:
1. A seat ring for a control valve having a valve body, a valve cage, and a control member disposed within the valve body for controlling the flow of fluid through the valve body, the valve body defining an inlet, an outlet, a gallery, and a flow path extending from the inlet to the outlet via the gallery, and the control member comprising a stem and a valve plug coupled to the stem, the seat ring comprising: an annular body adapted to be disposed in the gallery of the valve body, the annular body including a retaining portion and an interior sidewall, the retaining portion for being fixed to the valve body, the retaining portion adapted to be directly contacted by the valve cage to assist with maintaining the annular body in the gallery of the valve body, the interior sidewall defining a port for accommodating fluid flow through the gallery, and the interior sidewall defining a seating surface, the seating surface adapted to be directly contacted by the valve plug when the control member is in a closed position; and a flow separator disposed within at least a portion of the port of the annular body, the flow separator including a flow straightening portion defining a plurality of separate passageways, each of the plurality of separate passageways having a hydraulic diameter and a length that is larger than the hydraulic diameter, thereby separating the flow of fluid through the port into a plurality of separate flow paths to interrupt turbulence in the port.