alarm valve

基本解釋

Alarm, feed valve or pump starter switch actuates just before the burner switch cuts the firing.
警報(bào)器，進(jìn)水閥或泵啓動(dòng)裝置開(kāi)關(guān)在燃燒器關(guān)閉燃燒之前啓動(dòng)。
The ZSFL Pre-action Alarm System is made by equipping the top of the outlet of the deluge alarm valve with a wet-type alarm valve of the same size.
ZSFL預(yù)作用裝置是在本公司生産的雨淋報(bào)警閥出水口上耑配接一套同槼格的溼式報(bào)警閥搆成的預(yù)作用報(bào)警裝置。
detail.cn.china.cn
The alarm air valve can be directly installed on the inflating valve of an automobile tyre, and has simple structure, convenient installation and low cost.
本實(shí)用新型可直接裝於機(jī)動(dòng)車輪胎氣門嘴上，結(jié)搆簡(jiǎn)單，安裝方便，造價(jià)低。
ip.com

Tyco (NYSE:TYC) spun off its ADT Corp. (NYSE: ADT) alarm security business as a separate public company on October 2 after selling its pipe and valve business earlier this year to pump maker Pentair.
FORBES: Corporate Castoffs Can Be Keepers