Single and two-leaf tunnel operating doors

Pressure- and suction-stable door

Specially manufactured for road tunnels

Use for operating rooms


Pressure and suction-stable door for use in company buildings, technical rooms etc. Design according to Directive 2004/54/EC, RABT, RVS, ZTV-ING part 5 and TL/TP TTT. The design considers the special requirements for technical equipment used in the operation of road tunnels.

Stainless steel lever handle set

Adjustable stainless steel hinges


  • Fire resistance 90 minutes: fire-resistant
  • T 90 classification
  • Smoke-tight and tested for continuous operation
  • Protection rating in accordance with IP 54
  • Stable against pressure / suction up to 1000 Pa


  • Single and double-leaf fire-resisting closure
  • Solid door leaf with stainless steel surface on the inside and outside
  • Circumferential block frame on three or four sides with stainless steel surface
  • Adjustable stainless steel hinges
  • EN-standard door handle set in stainless steel
  • Rain protection flap for profile half cylinder
  • Locking with three bolt lock
  • Self-closing via adjustable overhead door closers (active leaf)
  • Fixed-leaf with gate espagnolettes
  • Multistage fire protection seal, autonomously expands in case of fire
  • Monitorable door status by inductive proximity switch
  • Equipotential bonding

Grounding strap


Material characteristic

  • Non-combustible board, classification A2 – s1, d0
  • Building material is solid, stable and moisture-resistant
  • Surface on both sides in stainless steel 1.4571, material characteristic according to ZTV-ING Part 5, requirement class I,
  • Door hinges in stainless steel 1.4571
  • Door handle set in stainless steel

Dimension drawing

Scope of delivery

  • Mounting material

Assembly details

PRIODOOR FSA TUN – Flush installation

PRIODOOR FSA TUN – Staggered installation

PRIODOOR FSA TUN – Installation on the wall

Detail: Equipotential bonding

File name
Catalogue excerpt .pdf
Text for tender PRIODOOR FSA TUN .pdf

  • Monitorable bolt contact
  • Special sizes on request
  • Emergency release