Thermal triggering device for sprinklers for stationary fire-ext

Details Thermal triggering device for sprinklers for stationary fire-ext Thermal triggering device for sprinklers for stationary fire-ext

1989-05-16

1991-01-01

Peters, Jr., Joseph F.

Fire extinguishers

Sprinkler heads

Collapsible strut

169 37, A62C 3714

Patent

active

049811797

ABSTRACT:
A thermal triggering device for sprinklers for stationary fire-extinguishing systems. The demands made on sprinklers for stationary fire-extinguishing systems are to the effect that increasingly shorter triggering times are demanded in order to be able to fight fire more quickly and more effectively. The novel triggering device should therefore have such a short triggering time that the response thereof in case of fire takes place as extactly as possible at the predetermined triggering temperature. The triggering element which is constructed as a glass bulb is at least supported on the sealing member of the sprinkler via a heat-insulating component, made from a corrosion-resistant material of high strength and low heat conductivity and also great heat absorption but low heat storage capacities, the component having a low mass and a large surface area and a small cross-section in the direction of the flow of heat.

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