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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 125 kN (12,5 tons), conforming to the load class B125 as set out by norm EN 124:2015
FRAME It is produced in one unique casting, without gasket, assuring its stability through a metal coupling.
The support zone is realized with a double groove channel shape so that it is possible to obtain a watertight system.
In the external part of the item, it has a specific structure which is able to optimize the cement mortar capacity and the inserting of anchoring items.
COVER
It is square shaped and it ensures stability thanks to external edge height and joint depth. The double groove guarantees a good closing and it is predisposed to the GRP plate.
On its surface there are two blind holes useful to insert lifting handles and to facilitate the opening.
All the covers are interchangeable.
Their surface is antiskid and it is specifically shaped to ensure the complete outflow of the water avoiding the ice formation.
