2 Flexible sealing diaphragm DN50

2 - Elastic sealing membrane for tight

sealing the hole between the pipeline (plastic, cast iron, stainless steel) d 40-50mm and building structures (outer walls of the basements). Multi-tongue gasket with bitumen collar made of high-quality material and with a plastic safety nut for a firm hold. Easy to put on on a smooth end of a pipe or socket, easy to install on uneven surfaces or in the corners of a building (thanks to a special design). Tested for water tightness (up to 6 m water column) - pipe axis deviation up to 10% from the mounting hole axis is allowed.