T4/600/Z

The T4/600/Z product with a seal (U/600/KWI) marked T4/600/ZU can be a tight bottom closure of single-wall, corrugated riser pipes for plastic manholes DN/ID 600 (creating e.g. a bottom of a settling tank) and also as a water- and odor-tight top closure of manholes. The seal is adapted to single-layer pipes of manholes: Diamir 600, Tegra 600, InCor 600. The non-drive-over plastic protective cover is an alternative and economical protection of the sewage system of manholes with an opening of ø 600 mm against contamination, inflow of rainwater and accidents. Placed directly above the manhole opening, on: a concrete cover plate, a plastic manhole stem pipe, compensation rings and load-relieving cones of the TVRT system. Resistant to erosion, weather conditions and operating environment factors. Plastic covers do not damage road mowing equipment. They do not contain any metal elements and are not susceptible to theft. Also used as temporary protection of manholes during construction and assembly works before the installation of the target operational top. For use in communication engineering in the road zone in the excluded area, not burdened with pedestrian and vehicular traffic of expressways, motorways, on slopes.