Ductile iron manhole cover RECESSED D400

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Inspection manhole cover in ductile iron EN- GJS-500-7 conforming to norm EN 1563:2018 with load bearing capacity over 400 kN (40 tons), conforming to the load class D400 as set out by norm EN 124:2015 FRAME It is obtained from a single cast, its stability is guaranteed through a double throat supporting area, creating a metal to metal coupling thanks to the interposition of an EPDM gasket, this is studied to obtain a watertight/ waterproof sealing. COVER It is square in shape, it ensures a high stability due to the depth of insertion over 50 mm, the EPDM gasket inserted in the throat, which is located in the supporting area, and the locking system with stainless steel screws. The opening is obtained through the insertion of specific handles in the blind holes of the surface. The filling basin has a height of 70 mm and it can host any kind of filling material. All the covers are interchangeable. ACCESSORIES Lifting Key 06 Hexagonal Key Elastomer gasket Stainless steel screws diam. 10