If the input air quality is poor, can cause electromagneticvalve, the valve core oil pollution within the open mouth can't completely, the difficult open.
如果输入空气质量差，会造成电磁阀内产生油污，阀芯开启困难，阀口不能完全打开。
2
The wholw machine is driven by compressed air and air cylinder is controlled by electromagneticvalve by finishing multiple functions.
设备动力用压缩空气，执行元件用电磁阀控制气缸以完成多项功能；
3
For KFR type air-conditioner, if refrigeration normal, not heating, its fault mainly in four electromagneticvalve or its control circuit.