Solenoid valve hi control unit a ni a, electrically energized emaw de-energized emaw a nih chuan shut off emaw fluid flow a awm theih nan. Energized a nih chuan magnetic field a lo awm a, chu chuan spring action lakah plunger a rawn chhuah tir thin. De-energized a nih chuan plunger emaw pivoted armature emaw chu spring action hmangin a awmna hmasa berah pek leh a ni. Actuator hian electromagnet angin a siam a.
