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Franzen Feuerschutztüren GmbH
Zechenring 23
D-41836 Hückelhoven

phone +49(0)2433/93919‑0

Franzen acoustic performance doors

Single-leaf acoustic performance door SN-1

Franzen acoustic performance door SN-1 "System Schröders"
Single-leaf acoustic performance steel door
Acoustic performance * depending on size see
expert opinion SEII-16-0211-Hrd, TÜV Nord (de)

Performance characteristics combinable with further Franzen door types:

Thermal transmittance according to EN ISO 10077-1, UD-value ≥ 2.1
up to class 4 according to EN 12207
expert opinion 11-000082-PR01
Installation in external walls

according to DIN EN 14351-1 CE-Zeichen marked

Resistance to wind load
up to class C5 according to EN 12210
expert opinion 11-000082-PR01
up to class 8A according to EN 12208
expert opinion 11-000082-PR01
Resistance to positive and negative pressure
up to 5,000 Pa according to EN 12211
classification report 11-002512-PR01 (PB-C01-02-de-01)
Behavior between different climates according to EN 12219 (deflection) class 2 (d + e)
Ability to release
according to DIN EN 14351-1

proven for doors in escape and rescue routes

Flush with surface
available in flush-mounted version FLAT
Explosion protection
Logo ATEX 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 door types:

Fire resistance

tested EI290 (fire door EI290 Franzen TSN-11)
tested EI260 (fire door EI260 Franzen TSN-3)
tested EI230 (fire door EI230 Franzen TSN-1)

according to EN 1634-1

T90 (fire door T90 Franzen TSN-11)
T30 (fire door T30 Franzen TSN-1)

mit allgemeiner bauaufsichtlicher Zulassung (German approval)

Smoke control

Sa / S200 tested according to EN 1634-3

(e.g. smoke control door Franzen RSN-1 CE)

Burglar resistance

up to RC4 (z.B. burglar protection door Franzen ESN-1)

according to DIN EN 1627 ff

Technical data
(rough building dimension)
width from 600 mm up to 1,400 mm
height from 1,750 mm up to 3,050 mm
Dimensions flap
width von 600 mm up to 1,400 mm
height from 600 mm up to 3,050 mm
Door leaf

leaf thickness 69 mm - smooth double-walled
plate thickness 1.5 mm

  • thin rebate design
    • optional thick rebate design
    • sandwich insulating insert
      • optional insulation inlet full-face glued and pressed with cover plate
        thus particularly plane and smooth door leaf
  • frame-system "ZNG" with flush clipped in profile strips
  • or
  • frame-system "ZG"
  • (see installation variants)
  • corner frame
  • optional enclosing frame
  • optional block frame

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

Sealing system

see acoustic performance - measurement reports

Glass inset

glass dimensions and -form variable

  • sound insulation glass ≥ 44 dB
  • optional with intermediate glass inset bars
  • optional with port-hole (ø approx. 450 mm clear view)

glass inset bars with concealed screw connection (for rectangular glass inset)


2/3-part KO door hinges
with patented easy-running bearings as easy running doors

  • optional door hinge with 3D adjustment

various fittings possible

  • optional panic bar handle

single locking according to DIN 18250
three-latch lock for door heights above 2,500 mm
profile cylinder prepared (cylinder on-site)
securing pins

  • optional panic locking

door closer according to DIN EN 1154

  • optional spring hinge for smaller doors / flaps
  • optional hold-open device according to DIN EN 14637

wall according to acoustic performance requirements

  • optional blunt installation in soffit
  • optional installation on the wall plate
  • lock control
  • automated opening
  • motor locks ( also in 3-way locking)
  • powder coating in RAL colors
  • prison cell doors (special locking and food flap)
  • 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.