The safetyclamp prevents the tool string from being dropped downhole accidentally if the slips or elevators securing the string lose their grip.
如果卡紧管柱的卡瓦或吊卡失去了其抓力，则安全卡瓦可防止工具管柱意外地掉落井下。
2
Safety light is mainly used in different translation automatic door and electric retractable door, automatic rolling gate safetyclamp auxiliary function.
安全光线主要应用在不同的平移自动门以及电动伸缩门，自动卷闸门的安全防夹辅助功能。
3
Connect the hose of the assembly (2) to the filter housing (1) and safety it with the upper clamp (5).