... Double actingSize: 1/4",1/2",3/4",1",1 1/4" ,8mm ... for heavy pollution conditions.6.Good substitution for solenoid or pneumatic valve ... .The power is cut off when the valve reaches the on/off position21.The ... mini motorised valve, actuated valve, motor operated valve, motor actuated valve, automatic valve, control valve, shut off valve, hydraulic valve, electric valve, electronic valve.electric valve for ...