Kolk and connecting piece arranged in front of a vortex.

摘要

The present invention relates to a churning, which comprises a space for collecting water and is provided with a connecting piece comprising a flow channel, wherein the connecting piece includes an upstand, which uprising located in such a manner extending from a bottom portion of the connecting piece, that a first flow channel member, that extends along the elevation, is separated from the space. Further, the invention relates arranged on a connecting piece for a sewage disposal, comprising a flow channel on a downstream side arranged a pipe stub for connection to a tube, such as a sewer pipe, and an upstream extending bottom portion, wherein the connecting piece from the pipe stub on an upstream side comprises an elevation, which uprising extending from the bottom part.