The Zeta flame proof gong bell is an explosion proof gong bell with a terminal chamber. A highly reliable electric circuit is housed inside to control the frequency of the gong operating spindle. The operating spindle and dish are made out of stainless steel thereby ensuring a long life.
The electric circuits are connected to terminals in the terminal chamber through nipple. The covers are provided with neoprene gaskets for weatherproof protection.
Fire control panel FS4000 is designed to operate with conventional automatic fire detectors and manual call points. The panel has outputs provided for external executive devices.