110X138 Hole Cutter, Universal 5191202100

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 systems (rain inlets) and drainage, in the case of using "blind" bases, the wells are used, for example, as reservoirs or sewage pumping stations.