本实用新型与已有技术相比具有定压开阀喷放，无泄漏，不误喷的优点。
The utility model has advantages of constant pressure valve opening, no leakage and no error spraying, comparing to prior art.
气体灭火控制器主要具有各种故障报警及关闭风机、防火阀等联动功能，并实现建手动、自动、报警、故障、喷放等信号反馈至消防联动控制中心。
Gas fire controller has various functions such as failure alarm, closing blower fan and fire damper, and can feedback manual, automatic, alarming, failure and spray signals to the fire control centre.
当储罐喷放一次后，其中的压力迅速下降，使调压阀自动开启。
After one-time spraying of the tank, the pressure inside falls quickly and the pressure-adjusting valve starts automatically.
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