Nozzle device for fire-extinguishing system for cargo in airplane, has intumescent material layer arranged for facing cargo space in installed state such that layer is extractable into cargo space upon activation of extinguishing system

摘要

The device (200) has an exhaust nozzle (201) made of aluminum and/or aluminum alloy, and an exhaust nozzle support (203) made of carbon fiber material. An intumescent material layer is arranged for facing a cargo space of an airplane in an installed state such that the layer is extractable into the cargo space by the device upon activation of a fire extinguishing system of the airplane. Material thickness of the nozzle support is in a range of 0.75-1.5 mm. Thickness of the layer is larger than 150 micrometer. The device is made of aluminum and/or aluminum alloy, and/or carbon fiber material.