Plastic membrane flange with integrated gasket, mounting without tools using locking gear, for line diameters 2 x 6 - 32.5 mm, 2 x 6 - 25 mm, 4 x 6 - 19 mm, 10 x 6 - 15 mm, 2 x 6 - 12 mm, 31 x 6 - 11 mm, 1 x 6 - 7 mm, suitable for TwinLine-G (SZ) meter cabinets and TwinLine wall and standing cabinets.