B125 C250 Coperchio di tombino a doppia guarnizione
Breve descrizione: Basic Info Tipo: Argilla Sabbia Secca Metodo di fusione: cristallizzazione direzionale Tipo di anima di sabbia: anima di sabbia di resina Materiale: ferro Certification: SGS, ISO 9001:2008 Size: As Per Drawing
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. NORMA EN 124 CLASSIFICAZIONE E UBICAZIONE I chiusini, i tombini e le griglie possono essere suddivisi nelle seguenti classi: A15, B125, C250, D400, E600 e F900 Group 3 (Class C 250 minimum), Group 2 (Class B125 minimum): for gullies installed in kerbside channels of the pavement which , extends to 0.5 m in the road and to 0.2 m top on the pavement, when measured from the edge.
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