DU III Steel doors

Product description

Gas-tight doors with explosion resistance 4.4 BAR. They offer basic protection against explosions and gases. The door frame is designed to be filled with concrete, which further increases its stability. The door frame is welded to the old frame, installed in the existing opening.

Technical Specification: Steel doors with reinforced inner structure, covered with front and rear steel plates. Explosion resistance: up to 4.4 bars (optional configuration up to 9 bars) Special gear locking mechanism with lower and upper locking bar. Gasket to ensure gas tightness. Door dimensions (mm): 900/1200 x 2000 mm (non-standard sizes available on request) The door frame is designed to be embedded in concrete, which further increases its stability.