Universal support under the manhole body 355/355
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Universal adapter for covering and supporting square telescopic manholes DN 315 with dimensions of 355 x 355 mm.
In bituminous pavement, the sloping side is the supporting side of the manhole, while in the pavement the manhole is embedded in the cover cavity of the adapter – square page. It is embedded on a cement foundation in a cobblestone pavement. In bituminous pavement, correct filling and compaction of the bituminous layer under the adapter is required.
Material: composition of thermoplastic polymers (PVC, PE, PEX)
Compressive strength: 400 kN in accordance with PN-EN 124-1:2015-07
Impregnability: 0,02% in accordance with PN-EN ISO 62:2008
Frost resistance in water: F150 (without changing the strength and surface structure)
Frost resistance in 2% NaCl solution: F50 (without changing the strength and surface structure)
Thermal resistance: from -30°C to +60°C (in continuous operation) and up to 180°C
during installation in asphalt surface
Certyficate: IBDiM-KOT-2017/0047
