The doors for tunnels of Padilla Doors are a type of doors that, due to their technical characteristics, are prepared for environments subjected to conditions of pressure changes that occur when trains or vehicles pass through at high speed.
They are doors with EI2 120 resistance that are characterized by having a greater sheet thickness, a series of additional internal reinforcements in the frame and leaf, 4 stainless steel hinges per leaf, etc. In addition, it has elements for its fixation.
Our tunnel doors are able to maintain their operability after 600,000 cycles, and 2.5KPa of pressure and suction.