Module for supporting a vertical plunger

摘要

An apparatus for supporting a plurality of vertical plungers comprises a plurality of modules (60). Each module (60) comprises a fixed frame (64), and movable frame (82), a servo motor (92) and a linear actuator for moving the movable frame (82) vertically. A supporting arm (62) is connected to the movable frame (82) and carries an assigned-to plunger (P).