Flame supervision device

For gas appliances, a flame supervision device (FSD) – alternative name: flame failure device (FFD) – is a general term for any device designed to stop flammable gas going to the burner of a gas appliance if the flame is extinguished. This is to prevent a dangerous buildup of gas within the appliance, its chimney or the room. Causes of flame failure include chimney downdraught, temporary interruption of the gas supply, gas under-pressure, liquid overspill on cooker hotplates or the draught from an oven door being opened and closed.

单词	Flame failure device
释义	Flame failure device 英语百科 Flame supervision device For gas appliances, a flame supervision device (FSD) – alternative name: flame failure device (FFD) – is a general term for any device designed to stop flammable gas going to the burner of a gas appliance if the flame is extinguished. This is to prevent a dangerous buildup of gas within the appliance, its chimney or the room. Causes of flame failure include chimney downdraught, temporary interruption of the gas supply, gas under-pressure, liquid overspill on cooker hotplates or the draught from an oven door being opened and closed.
随便看	controller institute of america controller interruption controller interrupt logic controller lag controllerless controller library controller lock controller mechanism controller merchant cruiser controller module controller name controller nierarchy controller node controller notch controller of accounts controller of ballot controller of currency controller of filter controller operational environment controller output controller output variable controller overheat warning device controller panel controller parameter controller parameter modification

Flame failure device

Flame supervision device