Two-piece trim for use with fluid regulators

摘要

The present invention discloses an apparatus for use with a fluid regulator, comprising a cage for controlling a flow of fluid through the fluid regulator, and a seat ring to be mounted within the fluid regulator and defining a fluid orifice, wherein the seat ring includes a first shoulder to removably couple the seat ring to the cage and second shoulder between the first shoulder and a sealing surface of the seat ring adjacent to the fluid orifice.