Solenoid valve coil open circuit, short circuit or burn, heart valve can not pull, causing the slider does not move. Should be replaced.
Solenoid valve armature is stuck and can not move, causing heart valve slider is not action. Open a valve cleaning adjusted.
3. Supply voltage drops below the solenoid valve below the rated value, the solenoid valve outlet pressure difference exceeds the open valve capacity, "da da" is often issued when the valve noise, caused heart valve pull on. The power supply should be improved.steam solenoid valves
4 solenoid valve flows installed upside down, causing heart valve does not operate. Should be adjusted to the flow direction.
System temperature, high pressure and machine impurities, causing distortion in the slide, stuck. Should be replaced as well.
6. The remanence suck valve heart or heart valve is stuck solenoid valve can not be closed after power failure. Cleaning adjustments, such as the effect of replacement.flange solenoid valve
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