The pressure sealing flange with bolts and screws made of stainless steel is used for the clamping or welding of bitumen and polymer bitumen sheets as well as for polymer and elastomer sealing sheets. Only membranes tested by the manufacturer may be used for watertight seals. The outlet socket is suitable for connection to SML cast iron pipes. Separate equipotential bonding is not necessary. The recyclable composite material Ecoguss fulfils the highest sound protection requirements, is resistant to aggressive media, temperature resistant and has a permanently corrosion-free surface. It can be exposed to flames for short periods, 100 up to 400 degrees Celsius. Including fixing clips for permanently fixed connection of the pressure sealing flange to the drain body. Article is not compatible with The Ultraflat 79 drain body.