أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
it must take a signal to start from the detector even after the sprinkler glass is broken by fire
Pre-action sprinkler system works with double interlocking. After the check valve, there is air in the system to ensure that the area is water free in case of leaks. For sprinkler to operate, there must be both the detection of smoke by smoke detector and the open sprinkler head by the rise of heat in that area.