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First, use
The valve is a pilot direct acting solenoid valve, a wider scope of its universal medium, can be used separately in water, light oil, heavy oil, steam and other non-corrosive gases and fluids,

Such as power exhaust pipe drainage system and evaporator exhaust system, mainly in the pipeline media double automatic adjustment and remote control.
Second, the principle
Solenoid is energized, the rod is lifted, with the shaft begins to rotate, which act on the motion to open the pilot valve and main valve; power, the weight and the armature return spring for

With the next, closed pilot valve, the pilot valve is closed, turn off the main valve by the pressure.



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