linear bearings

The role of electromagnetic valve

by:AIRWOLF     2020-06-10
Electromagnetic valve for step-by-step actions directly guiding type solenoid valve, but according to power outages, in condition of different, can be divided into often closed electromagnetic valves and often open the electromagnetic valve. Normally closed electromagnetic valves, after electrify coil, armature under the effect of electromagnetic force to drive the deputy valve plug valve, main valve of the fluid by the deputy valve in the valve cup run, reduce the pressure effect on the main valve valve cup, when the main valve cup of valve pressure was reduced to a certain value, the armature drives the main valve valve cup, and by using pressure difference and make the main valve open valve cup, medium circulation. Coil after power, the electromagnetic force disappears, armature due to falling weight reduction. Depend on medium pressure at the same time, the main valve to close shut down. Normally open solenoid valve and coil electricity due to the suction effect, after moving iron core down, the vice pressure valve plug valve, the deputy valve closed, the pressure in the main valve valve cup, when the pressure rises to a certain value, the main valve cup of fluctuation pressure differential valve, due to the electromagnetic effect, promote the main valve valve cup of moving iron core, the pressure main valve valve seat, valve door closed. Coil power, electromagnetic suction is zero, the deputy valve valve plug and due to the spring action of moving iron core lift, vice valve is opened, the main valve of the fluid by the deputy valve in the valve cup run, reduce the pressure effect on the main valve valve cup, when the main valve cup of valve pressure is reduced to a certain value, using the differential pushed the main valve valve cup, the main valve opens, medium circulation.
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