ITEM OF CONTRACT SPECIFICATIONS MANHOLE COVERS IN DUCTILE IRON
ROUND MANHOLE COVERS DN. 600 IN DUCTILE IRON GS 500-7 WITHOUT VENTILATION HOLES CLASS D WITH BREAKAGE LOAD OF 400 KN. WITH ANCHORING SYSTEM ON THE FRAME EQUIPPED WITH KNOCK-PROOF GASKET IN POLYETHYLENE, PRODUCED IN COMPLIANCE WITH EUROPEAN STANDARDS EN 124 WITH NF QUALITY TRADEMARK.
“BRIO” MODEL EQUIPPED WITH 120° HINGED OPENING.