Patent ID: 7252115

Claim:
A coupling solenoid valve of which both side faces in the valve-width direction correspond to a first coupling face and a second coupling face for being coupled with another solenoid valve, said coupling solenoid valve comprising: a main valve unit including multiple coupling communication holes passing through in the valve-width direction, a valve hole through which said coupling communication holes mutually communicate, and a spool for switching a channel accommodated within said valve hole; and a solenoid operating unit connected with said main valve unit; wherein said main valve unit includes an engaging hook on said first coupling face side, also includes a hook-engaging portion on said second coupling face side, said hook is formed on a movable binding member assembled so as to operate said main valve unit from the top face, and said binding member is capable of moving between the binding position where said hook is engaged with said engaging portion of the adjacent solenoid valve and the separating position where said hook disengages from said engaging portion.