DU-III - Blast & gastight door (4,4 bar)
DU-III single / double leaf shelter doors are designed for >440 (4.4 bar) blast pressure according to existing technical norms for civil defence shelters. The door leaf is made from reinforced beams with cover plates. The doors can be upgraded with armor plates for splinter / ballistic protection and special materials for fire resistance. DU-III doors have a multipoint locking system with levers, providing improved protection against blast wave pressure and equipped with rubber seal for gas tightness.
Main Specifications:
- Blast rating: >440 kPa (4.4 bar)
- Sizes: 800x1800 mm, 900x2000 mm and 1200x2000 mm
- Gas tightness: Yes
- Splinter protection: optional
- Leaf: Reinforced beams with steel panels (optionally armor)
- Installation options: casting / retrofit, right/left
- Locking mechanism: 1x wheel with multiple locking points
- Special seal for gas tightness
- Anticorrosion primer






















