SU-III - Blast & gastight hatch (4.4 bar)

SU-III shelter hatches are designed for >440 kPa (4.4 bar) blast pressure (outward opening) according to existing technical norms for civil defence shelters. The hatch 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. SU-III hatches have a multipoint locking system with gear mechanism, providing improved protection against blast wave pressure and equipped with rubber seal for gas tightness.
 
Main Specifications:
Blast raring: 4 bar (400 kPa)
Sizes: 800x800 mm and 900x900 mm
Opening direction: outwards
Splinter/Ballistic Protection: optional with armor plate
Installation options: casting / retrofit, right/left
Locking mechanism: gear Equipped with seal for gas tightness