Shelter blast & gastight door (4.4 bar) - DU-III
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 armour plates for splinter / ballistic protection and specal 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)
Gas tightness: Yes
Splinter protection: optional
Leaf: Reinforced beams with steel panels (optionally armour)
Installation options: casting / retrofit, right/left
Locking mechanism: 1x wheel with multiple locking points
Special seal for gas tightness
Anticorrosion primer
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