Product features
1. Fire resistance function: anti-knock wall (door) has fire-resistant integrity > 3h.
2. Anti-knock function: anti-explosion wall (door) has anti-explosion function, and the explosion impact force is 200KPa.
3. Sealing function: anti-knock door sealing performance requirements: when the pressure difference between the inside and outside of the door is 10Pa, the air permeability of each meter gap is less than or equal to 6.0 cubic meters /m. H, (GB13686 Ⅴ level)
4. Automatic closing function: anti-knock door has automatic closing function.
5. Escape function: the anti-explosion door has the function of escape, the body pushes the door after the escape lock, and evacuates in the evacuation direction.
6. Door opening Angle: greater than or equal to 90 degrees.
Applicable scope: railway across mountain tunnel.
Type and performance metrics.
1. Setting position of the rescue cross channel protection wall (door) : at both ends of the transverse channel, open to the inside of the transverse channel.
2. Effective passage size of the rescue cross channel protection door:
A width of 1500 mm or more
A height of 2200 mm or more
Protective wall section
1. The main tendon of the skeleton is galvanized rectangular tube, and the thickness of zinc layer is 200g/m2.
2. The anti-knock board adopts double-layer galvanized sheet, with fiber and cement inside.
3. The fire prevention board adopts the high quality perlite, which has good fireproof and insulating effect.
4. The ribs are bent with high quality galvanized sheet.
