Franzen - ceiling flaps

Single-leaf multi purpose ceiling flap DKN-1

Franzen ceiling flap DKN-1
Single-leaf multipurpose ceiling flap
Installation in internal ceilings (optional)	according to DIN ENV 14351-2 marked
Installation in external ceilings (optional)	according to DIN EN 14351-1 marked
Combinable with additional performance characteristics:
Burglar resistance (optional)	RC4 - classification report no. 22-5/15.119, PIV-Velbert RC3 - classification report no. 22-4/15.117, PIV-Velbert according to DIN EN 1627 ff (fire ceiling flap T90 Franzen THF)
Acoustic performance (optional)	up to R_W (C;C_tr) = 42 (-1;-3) dB according to EN ISO 10140-1 / EN ISO 10140-2 / EN ISO 717 test report 81 16 48 52 29 -10, TÜV Nord *Due to the approved dimensional range of the ceiling flap, the maximum acoustic performance value of R_W (C;C_tr) = 45 (-1;-3) dB listed in the measurement report is reduced by 3dB to the above-mentioned value of R_W (C;C_tr) = 42 (-1;-3) dB. See expert opinion SEII-16-0211-Hrd, TÜV Nord (fire ceiling flap T90 Franzen THF)
Thermal transmittance	U_D-value ≥ 1.3 W/(m²K) according to EN ISO 10077-1
Air tightness (optional)	up to class 4 according to EN 12207 (up to 600 Pa) expert opinion no. 11-000082-PR01
Resistance to positive and negative pressure (optional)	up to 5.000 Pa according to DIN EN 12211 expert opinion no. 16-003037-PR01
Explosion protection (optional)	For installation in potentially explosive areas, please see confirmation letter Explosion protection ATEX for Franzen hinged doors (in German language) System Schröders (PDF)
Performance characteristics combinable with further Franzen ceiling flap types:
Fire resistance (optional)	T90 (fire ceiling flap T90 Franzen THF) Allgemeine bauaufsichtliche Zulassung Nr. Z-6.20-2061, DIBt Berlin
Smoke control (optional)	tested according to DIN 18095 RS-1 (fire ceiling flap T90 Franzen THF) Allgemeine bauaufsichtliche Zulassung Nr. Z-6.20-2061, DIBt Berlin

Technische Beschreibung

Dimensions
(rough building dimension)

for performance characteristic airtightness, resistance to wind load, watertightness or resistance to positive and negative pressure limited to
width		up to 1,350 mm
height		up to 2,500 mm

Flap leaf

leaf thickness 67 mm - smooth double-walled
plate thickness 1.0 mm

thin rebate design
- optional thick rebate design
- insulating insert
  - optional insulation inlet full-face glued and pressed with cover plate
    thus particularly plane and smooth door leaf

Frame

frame-system "ZNG" with flush clipped in profile strips
or
frame-system "ZG"
frame four-sided surrounding
(see installation variants)

corner frame
optional enclosing frame
optional block frame

with elastic rubber seal
(seal type depending on performance characteristic)

Hinges

concealed door hinges
thus smooth surface without tripping edge

Fittings

Top side: embedded folding ring shell
Lower side: handle

Locking

single locking according DIN 18250

optional profile cylinder prepared (cylinder on-site)

various locking systems possible

Walkability
(optional)

with grating cover made of steel or aluminium
with checker plate 3 mm made of steel or aluminium

Opening assist

gas spring
- adjusted to the flap weight
- easy opening

Installation

in concrete ceilings
in special ceilings on request

optional blunt installation in soffit
optional installation on the wall plate

Marking

external ceiling flaps marked according to EN 14351-1

Optional

lock control
powder coating in RAL colors
special solutions according to request and customer requirements

The information given refers to the usual configurations. Individual configurations may be required when combining different performance characteristics.

Our team will be happy to assist you with the individual planning of your requirements.

Franzen DKN-1single-leaf ceiling flap

DKN-1 Downloads

Brochure (pdf)
Report
Technical drawing
- pdf
- dxf

Franzen - ceiling flaps

Single-leaf multi purpose ceiling flap DKN-1

Combinable with additional performance characteristics:

Performance characteristics combinable with further Franzen ceiling flap types:

DKN-1 Downloads