INSTALLATION STRUCTURE OF FEMALE SCREW STEM OF GATE VALVE VALVE ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide the installation structure of the female screw stem of a gate valve valve element which can mount a female screw stem for joining a valve rod with a valve element by a loose fitting to the valve element easily and prevent the damage of a valve element hanger. SOLUTION: A valve element hanger 31 is formed in a gate shape so as to slide-insert a female screw stem 32 horizontally and also has a notch 35 on a ceiling 34. The female screw stem 32 has a head 36 inserted in the notch 35 of the valve element hanger 31 and a shoulder 38 engaged with the ceiling 34 of the valve element hanger 31 in the axis center direction of the valve rod 37.