Moving Core Down的意思|示意

动铁芯下移 Normally open solenoid valve, the suction after the coil is energized, moving core down, the Vice-pressure valve plug, the Deputy valve closed, the main valve pressure rise inside the cup, when the pressure rose to a certain value, the main valve cup As the upper and lower pressure, due to electromagnetic force, the moving core to promote the main valve cup, the clamping main valve seat, the valve closed.