Polymer composite pad under the valve box
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Universal adapters supporting street boxes, used in water
and gas installations. Set on sand bed (min. 5 cm thick) or compact
foundation to ensure stable foundation of boxes and to protect them
against displacement and settlement.
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
