Telescopic adapter PP 850x600, with a seal, for a cast iron manhole, black (Diamir 600 manhole) 2589140090

Diamir sewage manholes are intended for the construction of gravity sewage systems (sanitary, rainwater, combined, industrial) and drainage. The series of types includes three types of chambers: 1. non-hatch inspection chambers - allowing access to the rainwater or sanitary sewage system using inspection or cleaning equipment, 2. manhole inspection chambers - allowing personnel access to the rainwater or sanitary sewage system, 3rd well with a sedimentation basin -used in rainwater drainage (rain inlets) and drainage, in the case of using "blind" kinets, the wells are used, for example, as reservoirs or sewage pumping stations.