Apartment fire door fitting

Apartment fire door fitting
in H-technology with roses according to DIN 18255 and EN 1906 made of stainless steel, Matt jet black, powder-coated, consisting of:
Knob model 276X in stainless steel and lever handle Model 272X... with U-shape in stainless steel (1.4301), Matt jet black, powder-coated, neck diameter 21.3 mm, with stepped shoulder guide and groove, with M5 grub screw as additional fixing of lever and spindle for optimal transfer of force to door leaf.
The lever handle meets the standards of EN 179.
Installed by simply latching the lever handle into the base parts pre-mounted on the door. The latching can be released using the dismantling tool.
Rose substructure in plastic-steel composite construction with black zinc/nickel surface for optimum corrosion protection, integrated spring-assisted restraining "hold-up" module, can be used for left or right-hand opening doors, supporting the lock for longer durability. Fixed rotating bearing of the lever handle with automatically latching all-round locking and 5 mm journal as maintenance-free plain bearing with elastic compensating area to eliminate any possible installation inaccuracies. Concealed, Concealed, non-loosening screwed joint with M5 stainless steel screw and sleeve combination as well as lug disappearing into the door leaf.
Rose cap, round, made of stainless steel (1.3401), Diameter 55 mm, 10.5 mm high, 1.5 mm wall thickness.
Matt jet black, powder-coated
Designed and tested for projects, Category of use according to DIN EN 1906 - Class 4 Fire protection set with square spindle 9 mm, acc. to DIN 18273
usage category: Class 4
Durability: Class 7
Door weight: No classification specified
fire resistance: class B1
Safety: Class 1
Corrosion resistance: Class 4
Burglary protection: Class 0
Design type: A