PP invert channel 400x200+P200 right inlet 225st. type 4 through, for smooth riser pipe DN/OD 400mm and smooth inlet pipes 200+200mm, with seal, orange color (Diamir 400 smooth) 2544133300

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.