Shelter gastight door - DU-IV
DU-IV 250 single / double leaf shelter doors are designed for >250 (2.5 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-IV 250 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: <20 kPa (0.2 bar)
Gas tightness: Yes
Splinter protection: no
Leaf: reinforced beams with steel panels
Installation options: casting / retrofit, right/left
Locking mechanism: 1x levers with multiple locking points
Special seal for gas tightness
Contact Form
Why We Collect Your Contact Information
We use your contact information only to respond to your inquiry and provide the requested information, products, services, or support.
To ensure the best possible assistance, your inquiry and contact details may be shared with an authorized Atmas Group distributor, partner, or representative responsible for your country or region. We do not sell your personal information or share it with unrelated third parties.
By submitting this form, you acknowledge that Atmas Group Oy may process your personal data for the purposes described above. For more information about how we collect, use, share, store, and protect your personal data, including your privacy rights under applicable data protection laws, please see our Privacy Policy.




