Apparatus for controlling a stationary fire-extinguishing system having a rising line which can be aerated

摘要

In an apparatus for controlling a stationary fire-extinguishing system having a rising line (3) which can be aerated, the extinguishing agent removal points (4) connected to the said line are preceded by a shutting-off and aerating device (2) which can be controlled from each of them. This apparatus (2) has a pipe separator (6), a back-flow preventer (7), arranged between pipe separator (6) and rising line (3), as well as a throttling line (8), bypassing the back-flow preventer (7). The throttling line (8) is integrated in the housing (70) of the back-flow preventer (7) and is designed as a bore (80) in the closure element (74) of the back-flow preventer (7). The closure element (74) is acted upon in the opening direction by a spring (76). <IMAGE>