| 摘要 |
FIELD: fire-fighting equipment. ^ SUBSTANCE: system has spraying heads, pipeline for supplying spraying head with fire-extinguishing medium. Spraying head includes holder body having inlet channel for fire-extinguishing medium, at least one nozzle and cup secured in protective position in front of nozzle when system is installed in inactive position. After system actuation cup moves in releasing position by fixing member unblocking. In releasing position cup is free of nozzle so that nozzle may spray fire-extinguishing liquid when spray head is installed in active position. To provide system usage in conditions in which system is subjected to dirt and contaminants action and to prevent system actuation due to applying impacts or heat from fire to spraying heads spraying heads are provided with displacing means which may be moved relative holder body under the action of flowing medium and, thus, applies force to fixing member so that fixing member releases the cup. ^ EFFECT: increased efficiency. ^ 28 cl, 23 dwg |
