Patent ID: 9470337
Filing Date: 2016-10-18
CPC Classification: F16K

Claim Text:
1. A control member assembly for a control valve, the control member assembly comprising: a control member; a retainer secured to one end of the control member, the retainer having a body portion, the body portion having a longitudinal axis, a top surface, and a bottom surface, the bottom surface having a first portion that extends parallel to the longitudinal axis and a second portion that extends away from the first portion, the second portion being angled more than 60 degrees, but less than 90 degrees, with respect to the longitudinal axis, the second portion directly intersecting the first portion; a sealing element disposed between the top surface of the retainer and the control member; and a valve seat wherein the control member is longitudinally movable to bring the sealing element into contact with the valve seat in the closed position; and wherein the body portion includes a balance cavity extending therethrough.