Concrete manhole DN.1000-1200 DIN 4034

Round shafts diameter 1000 and 1200 mm, with Forscheda fitting produced in compliance with standards DIN 4034 and prepared for the insertion of ladders in pig-iron DIN 1212 and or MSU ladders in polyethylene-coated steel extension height 250 - 500 - 1000 mm. Truncated cone element height 600 mm. Base elements diameter 1000 and 1200 mm, with internal coating in fibreglass (PRFV - GFK system) with slope and angles at 360 degrees and joints designed for pipes in: concrete - PVC - fabekun - gres - pig-iron - polyethylene - fibreglass etc. Monolith: Round shaft DN 1200 with conic reduction of height varying from 600 to 2000 mm a single monobloc.