Working principle of the electromagnetic valve of steam
Steam solenoid valve can be divided into steam boiler
Saturated steam, steam power plant
Two kinds of superheated steam.
Steam solenoid valve widely used for textile, printing, chemical, plastic, rubber, pharmaceutical, food, building materials, machinery, electrical appliances, surface treatment and scientific research departments and bathroom, dining room, air conditioning automatic control system, etc.
Steam solenoid valve working principle;
Steam solenoid 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 solenoid valve and often open the electromagnetic valve.
Solenoid valve, normally closed steam coil after electrify, armature vice valve under the effect of electromagnetic force to drive the valve plug, fluid by the deputy valve on the main valve cup run, reducing the role the stress on the main valve cup, when the main valve cup pressure was reduced to a certain value, the armature drives the main valve cup, and by using pressure difference and make the main valve cup opening, 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.
Normally open electromagnetic valves, steam coil electricity due to the suction effect, after moving iron core down, the deputy valve plug pressure, the deputy valve closed, pressure rise within the main valve cup, when the pressure rises to a certain value, the main valve cup of fluctuation pressure difference, due to the electromagnetic effect, moving iron core loss of the main valve cup, the pressure the main valve seat, the valve closed.
Coil power, electromagnetic suction is zero, the deputy valve plug and the core due to spring up and, vice valve is opened, the use of differential pressure push the main valve cup, the main valve opens, medium circulation.
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High pressure solenoid valve points direct acting and pilot operated principle of two kinds of structure