FLOW RESTRICTING SEAT RING FOR PRESSURE REGULATORS

摘要

A seat is disclosed which is adapted for sealing engagement with a control member and for controlling the flow of a fluid through a flow-path of a control device. The seat comprises a seating surface adapted for sealing engagement with the control member and at least one orifice disposed in the flow-path and contoured to prevent at least a portion of the fluid flowing through the flow-path from directly impacting at least a portion of the control member.