The lead part of the valve cannot be put under stress.
阀的先导部位是不能受力的， ， 在安装吊装时应特别留意。
2
If electromagnetic pulse valve is not always magnetized, it must be checked if the connection outside of the terminal of common lead of the valve is correct and reliable.
若电磁脉冲阀全部不吸，应检查阀用公共线端子外的接线是否正确可靠。
3
The function of relief valve on valve regulated lead acid batteries and influential factor for determining opening pressure was discussed.