Valve with fluid pressure reduction device with integral guides

摘要: A fluid pressure reduction device (10) for use with a valve control member movable through the device. The is formed of plurality stacked disks (30) having an outer perimeter and inner defined by hollow center aligned along longitudinal axis. are in cage assembly receiving (24) within perimeter. include channels disk around Guide members (38) metal harder or at least greater wear resistant characteristics than provided each channels. guide adapted to guiding movements reducing on It preferred that comprise rods (52) inserted channel. Alternatively, weld bead strips can be welded