Used for solenoid valve and operate solenoid valve working . Item No.: ALT204 Product Name: Solenoid Valve Tube Spec: 1,3 position 2 way 2,Normal Close ... 3,Mainly used for high frequency pneumatic solenoid valve (textile machinery) 4,The working voltage is AC/DC 5 ... or sample 3 Position 2 Way Normal Close Metallic Pneumatic Solenoid Valve Tube for Textile Machine