Swiss made, gas-sealed ballistic door is specifically designed for fortified installations, secure rooms, and underground bunkers where top-level protection is vital. Engineered to deliver triple-layer defense—resisting blast forces, blocking toxic gas penetration, and withstanding ballistic impacts—it serves as a key element in any well-rounded emergency protection strategy.

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Engineered in Switzerland to meet the strict standards of the Swiss Federal Office of Civil Protection, this high-efficiency air filtration system ensures clean, breathable air in underground bunkers, panic rooms, and protected spaces, guarding against nuclear, biological, and chemical (NBC) threats.

Key Features

• Advanced Multi-Stage Filtration
  Combines a HEPA filter and activated carbon layer to remove radioactive dust, toxic gases, and pathogens.

• Positive Air Pressure
  Maintains an internal overpressure of 50–250 pascals, preventing contaminated air from entering the safe zone.

• Blast-Resistant Valves
  Integrated explosion-proof and overpressure valves protect the system during nearby detonations.

• Manual Backup
  Can be hand-operated during power outages for uninterrupted air purification.

Model Overview

ModelSpaceAirflowCapacity

VA-40up to 15 m²40–80 m³/hup to 13 people

VA-75up to 25 m²75–150 m³/h14–25 people

VA-150up to 50 m²150–300 m³/h26–100 people

VA-300large shelters300–600 m³/h101–200 people

VA-40 Dimensions & Weight

• Weight: ~68 kg

• Size: 120 cm (L) × 79 cm (W) × 91 cm (H)

A crucial addition to any secure space, this system ensures clean air and safety when it matters most.

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