Electromagnetic valve (solenoid valve) that opens, closes, and switches pneumatic circuits through electrical signals. Used for compressed air flow control in manufacturing line automation equipment, robots, press machines, injection molding machines, etc. Available in DC24V, AC100V, AC200V specifications and classified by number of connection ports such as 2-port, 3-port, 5-port. Enables remote operation through PLC control with fast response speed and excellent repeatability. Features automation through electrical control, unlike manual valves or mechanical valves. Includes products from major manufacturers such as SMC, CKD, Koganei, FESTO, etc.