Ductile iron manhole cover SERIE RETTANGOLARE - CLASSE D400/C250/B125

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Rectangular Inspection manhole cover in ductile iron EN-GJS-500-7 conforming to norm EN 1563:2018 with load bearing capacity over 400 250 e 125 kN (40 t, 25 t e 12,5 t ), conforming to the load class D400, C250 and B125 as set out by norm EN 124:2015 FRAME It is realized from a single cast, without gasket, its stability is guaranteed through a metal to metal coupling system. The outside edge is realized with the shape of a channel in order to obtain a system of hydraulic closure if it comes filled up with sand, tar or other materials. Externally, the outside border is flanged to optimise its hold in the cement and the insertion of anchoring bolts. COVER IIt comes square in shape, it guarantees a good stability thanks to the height of the border and insertion depth not less than 50 mm, it comes with two dead holes, which allows the insertion of suitable handles to lift the cover (supplied on request). All the covers are interchangeable. The upper surface is non skid and has been designed to allow the complete flow of water and avoid the formation of ice. Accessories: Lifting Key 06