The utility model relates to a sewer siphon valve (10), in particular to a siphon, with a chamber (30) with a liquid, and the liquid (F) located in the chamber (30) with a liquid at a sufficient level (FS) of liquid forms a siphon between the inlet ( 21) and the drain connection (60) of the sewer siphon lock (10). According to the utility model, it is provided that the siphon drainage shutter (10) comprises a pressure shock reduction device (100) that dampens the overpressure (D1, D2) push (D1, D2) of the overpressure or underpressure at the drain connection (60) or at the inlet (21) by increasing or reducing the volume of the chamber (30) with the liquid. 5 of FIG.
展开▼
