RAV – Raccordo Autostradale Valle d’Aosta
Aosta-Mont Blanc Tunnel Bypass
Year of installation: 2019/20
BS 99 REI 120 Design Line Hinged fire doors.
Made entirely of AISI 316L stainless steel.
Two-tone enamel paint, colours on request.
Application of warning signs.
Overpressure resistance.
High resistance to corrosion from combusted hydrocarbons in humid environments.