Tag the Valve that is removed with an "unserviceable-repairable" tag in which the "reason for removal" field filled out with "Remove the Valve to work shop for restoration".
在拆下来的活门上挂上“不可用-待修”标牌，并在其中的“拆卸原因”一栏中填写“送车间恢复活门”。
2
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。
3
Cleaning, demolition or maintenance for the former, turn off the air and spray material input valve, pull the trigger removal of the air and liquid pressure.