| 摘要 |
The invention relates, inter alia, to a plumbing trap device (10), in particular a drain trap, comprising a liquid chamber (30); when liquid (F) in the liquid chamber (30) is at a sufficiently high fill level (FS), same forms a plumbing trap between an inlet (21) and a discharge port (60) of the plumbing trap device (10). According to the invention, the plumbing trap device (10) includes a water hammer reducing device (100) which dampens positive pressure-induced or negative pressure-induced water hammer (D1, D2) at the discharge port (60) or at the inlet (21) by increasing or reducing the volume of the liquid chamber (30). |
