Franzen - multi purpose ceiling flaps

Multi purpose ceiling flap Franzen DKN-1 System Schröders

single-leaf multipurpose ceiling steel flap

CE-marking marked with declaration of performance

Installation in internal ceilings
(optional)

according to DIN ENV 14351-2

Installation in external ceilings
(optional)

according to DIN EN 14351-1


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

Acoustic performance
(optional)

up to RW (C;Ctr) = 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 RW (C;Ctr) = 45 (-1;-3) dB listed in the measurement report is reduced by 3dB to the above-mentioned value of RW (C;Ctr) = 42 (-1;-3) dB.
See expert opinion SEII-16-0211-Hrd, TÜV Nord

Thermal transmittance

UD-value ≥ 1.3 W/(m²K) according to EN ISO 10077-1

Air tightness
(optional)

up to class 4 according to EN 12207 (± 600 Pa)

expert opinion no. 11-000082-PR01
Resistance to wind load
(optional)

up to class C5 according to EN 12210 (± 2,000 Pa)
expert opinion no. 11-000082-PR01

Resistance to positive and negative pressure
(optional)

according to DIN EN 12211 (up to 5.000 Pa)

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) Logo ATEX

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

Technical data
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

deviating special sizes possible with corresponding individual proof
Flap leaf

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

  • thin rebate design

    • insulating insert
      • optional full-face glued and pressed with cover plate,
        thus particularly smooth and even door leaf
Frame

corner frame

frame-system "ZNG"
frame four-sided surrounding

  • 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)
Walkability
(optional)
  • with grating cover made of steel or aluminium
  • with checker plate 3 mm made of steel or aluminium
Opening assist

gas strut
- 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
Optional
  • lock control
  • powder coating in RAL colors
  • special solutions according to request and customer requirements

The information given refer to usual configurations. Subject to change without notice. No liability for incorrect information.

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-door-chart Franzen-door-chart