Floor drain with air trap for buildings

摘要

The device consists of a drain housing (1) with a drainage aperture (4). The aperture is surrounded by a sealing surface (7) of the flat sealing ring (15) for the air trap part (10). The part has a clamping part (17) to compress the flat seal in direction towards the sealing surface.The lowest point of the drainage aperture is located on the level of the housing base (6), which forms part of the sealing surface. The air trap part has a flange (13) to cover the sealing ring, on the pipe section (14) projecting into the drainage aperture. The clamping part consists of a pivoted clamp clip, born on two hinge pins (18) of the drain housing.