The safety switch controlling the ignition circuit in gas engine and flameout magnetic valve in diesel engine is used in air brake system to realize the automatic protect.
为保证车辆的安全运行，在气压制动系统中施加安全保护开关，控制发动机的点火电路(汽油机)或熄火电磁阀电路(柴油机)，可实现低气压时的自动保护。
Charging test and safety valve and automatic device adjusting for main compressor (auxiliary compressor).
主气压缩机的充气试验、全阀和自动装置的调整。
Automatic IC removal of the high pressure in the internal cavity when the valve is about to close see the working principle diagram for the details so as to ensure safety.
阀门关闭时能自动卸掉内腔高压(详见工作原理图)，保证使用安全。
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