| 摘要 |
The invention relates to an overpressure safety device (1) for pipeline networks, comprising an inlet pipe leading from the pipeline network to be secured to the overpressure safety device (1), at least one safety valve, and a discharge pipe. According to the invention, at least two safety valves (2, 3) are provided, and both safety valves comprise an inlet side and an outlet side, wherein the first safety valve (2) is connected to a pipe of the pipeline network, and the first is connected to the second safety valve (3) by a connecting pipeline (4). The connecting pipe (4) thereby has an inlet pipe and a discharge pipe, by means of which a liquid or gaseous purge, cleaning, and/or sterilization agent can be fed in and discharged. |
