| 摘要 |
<p>The invention relates to an installation comprising a high pressure drive unit for extinguishing liquid. When a fire has broken out in a fire section (A), a low pressure liquid source is connected (9, 10) to the respective fire section and the pressure of this liquid is utilized both for establishing a connection (11, 12) through a pilot valve means from the respective fire section to the outgoing line (5) of the high pressure drive unit, before this drive unit is activated, and for closing the connections from other fire sections to said outgoing line (5). The invention makes it possible to use cheap low pressure valves (9) in the pilot valve means.</p> |
