Analysis of the principle of steam solenoid valve structure
Steam solenoid valve applicable to steam as heat medium, automatic temperature control of actuators.
For steam heater, radiator, dryer steam equipment and all kinds of temperature control instrument, such as steam setting machine, steam engine, damping machine such as complete sets of equipment of boiler steam pipelines for two type automatic control and remote control.
Widely used in dyeing, textile, printing and dyeing, food, medicine, * *, cement products, petroleum chemical industry, metallurgy and other departments of homemade systems.
Steam solenoid valve is a valve and main valve two components comprise the guiding type of secondary open solenoid valve.
Is by the deputy valve to control the on and off of the main valve opening and closing.
Depending on the power of switch state, can be divided into the normally closed solenoid valve solenoid valve and it always open.
Normally closed electromagnetic valve, in the period of point often, vice valve closed, the main valve is open circuit, when the electric signal into the pilot valve coil, core activity by the electromagnetic effect on absorption vice valve to open the mouth, the main valve cup inside disappear pressure conduction speed, medium pressure on the main valve cup, open the main valve, working medium can flow.
But when signals disappear, activity core reset, vice valve mouth closed living, working medium self balancing hole into the valve, when the pressure into balance, rely on the main valve spring, valve cup of self-respect and medium pressure valve cup down, tightly sealed the main valve port, valve is closed.
Normally open solenoid valve, when the power is often a, has the effect that spring, vice valve mouth open, the main valve.
When signals into the deputy valve coil, activity should absorb the core by the electromagnetic, when pressure into balance, on the main valve spring, valve cup self-respect and medium pressure valve cup down, tightly sealed valve port, the valve is closed.
Disappeared when the main valve power, electromagnetic force, the deputy valve open, the pressure in the main valve cup is rapidly disappearing, medium pressure on the main valve cup, open the main valve mouth, medium circulation, the valve is open.
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No explosion-proof solenoid valve connection mode is how