Patent ID: 8215340

Claim:
An orifice plate carrier comprising: a rectangular body having an opening therethrough and an inner surface surrounding the opening, wherein the inner surface has a length; a plurality of flow ports through the body, each flow port proximate a different corner of the body; a lip extending radially from the inner surface into the opening and along the full length of the inner surface, the lip having a thickness less than a thickness of the inner surface; and an annular recess created by the inner surface and the lip; wherein the annular recess is configured to receive an orifice plate assembly inserted through the opening to engage the lip; wherein each flow port has a rectangular shape with a beveled corner proximate the opening; wherein each flow port is configured to allow fluid therethrough and to reduce a pressure differential between fluid on one side of the body and fluid on another side of the body during installation and extraction of the body.