Bespoke design & installation
Armored door RC3 RC4, fire rated EI30 EI60 EI120
Armored door “SDx Tungsten” with forced entry resistance in level CR3-CR4 and fire rated EI30 to EI120
Specializing in security doors, Bünkl designs, manufactures and markets a complete range of forced entry and fire rated doors (according to EN 1627-1630 and EN 14351-1).
This range called “SDx Tungsten”, is designed with a leaf and frame made of double 30/10 EZ steel sheet, and special inner insulation to withstand high temperatures. It will effectively protect your technical areas and sensitive premises. It can be equipped with a choice of a multi-point mechanical lock with automatic bolt ejection or a motorized lock for access control.
With its expertise in manufacturing, Bünkl offers this ram door in standard or custom sizes. We sell the SDx Tungsten door range with mechanical and electric locks from the following brands:
- Assa Abloy
- Dény Security
- Fuhr
- Iseo
Security doors must be installed in a masonry structure or in armored wall panels of the same resistance level.
Ideally designed for:
- Public facilities
- Schools
- Hospitals
- Electrical premises
- Data center
- Archives


Technical specifications
Door Frame
- Made of 30/10 EZ folded sheet metal
- Ω stiffening reinforcements
- Insulated filling
- Four-sided closed frame + seals
- Integrated flat threshold
- Tunnel-anchored fixing
Opening
- 2 sides of 30/10 EZ folded sheet metal
- Ω reinforcements + insulation
- Anti-lift pins
- 4 welded hinges adapted to the weight
- Leaf thickness depending on fire resistance level
Hardware
- Exterior pull handle
- Interior exit handle
- Automatic closer
Locking
- Mechanical o motorized lock
- Temporay lock cylinder or security cylinder with 3 keys
- Finish: Epoxy primer + RAL powder coating
- Door weight: depending on fire resistance level
Options
- Door peephole
- Motorized lock
- Anti-rust coating Polyzinc
- Drip bar
- Fixation kit
- Frame finishing kit
Technical datasheet