SPRAYING HEAD, SPRAYING APPARATUS AND METHOD FOR FIRE EXTINGUISHING

摘要

A spraying head, especially a spraying head intended for fire extinguishing, which comprises a frame part, an inlet for extinguishing medium and at least two nozzles. At least one first nozzle (9) is arranged in a spraying head part (2), for which first nozzle (9) the medium passage from the inlet of the spraying head is always open and that at least one second nozzle (4) is arranged in a sprinkler part (1) which comprises a triggering means (5), whereby the passage of medium from the inlet to at least one second nozzle (4) is closed when the triggering means (5) is non-activated, and that the passage of medium for at least one second nozzle (4) is open when the triggering means (5) is activated. The invention also relates to a method.