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CR60-1S+MFUS • Surface mounted circular fire dampers EI60S

  • Surface mounted fire dampers
  • Circular
  • EI60S
  • With fuse 72°C
  • EN1366-2

Surface mounted circular fire dampers with a fire resistance of 1 hours. The surface mounting ensures a fast (dry) installation. When the temperature in the damper rises above 72 °C the fusible link will break and the damper will close. When closed, the expanding material around the fireblade will swell and assure a fire and air-tight seal against hot air and smoke. The tunnel is made out of galvanized steel. The CR60-1S+MFUS fire dampers have a manual operating mechanism with indication of the blade position. Optionally, an end and begin of range switch FDCU MFUS can be added to the mechanism. The operating mechanism can be removed easily, for inspection purposes or for replacing the fusible link.

Application

  • Fire compartimentation
  • To close and seal off ventilation ducts in case of fire
  • For air temperatures of -10°C up to temperature of fusible link
  • Range of Ø100 up to Ø315 mm
  • To be mounted horizontally or vertically
  • For indoor use

Construction

Composition

  • Galvanized steel tunnel with rubber duct sealing
  • Plaster mounting collar
  • Fibersilicate fireproof blade
  • Intumescent strip
  • Manual control mechanism MFUS with fusible link 72 °C

  • 1. fire damper
  • 2. upper mounting collar
  • 3. lower mounting collar
  • 4. graphite strip
  • 5. sealing cold smoke
  • 6. tape

Mounting

  • Suitable for surface-mount in rigid wall, rigid floor and light wall (metal stud gypsum plasterboard wall) and to be fixed according to the mounting instruction delivered with the valves.
  • To be connected with round air ducts

Certification

  • Classified EI60(ve,ho i<->o)S at 500Pa according EN 13501-3 in ridid wall and rigid floor.
  • Classified EI60(ve i<->o)S at 500Pa according EN 13501-3 in flexible wall.
  • Certified with classification report
  • Airtight EN 1751 class C
  • CE marked

Accessories

  • End- and begin of range switch, type FDCU MFUS

Text for tender

Copy
  • The fire dampers shall be of the round type with a fire resistance of 60 minutes, certified according to EN13501-3 . They will consist of a galvanized steel tunnel with mounting collar for fast (dry) installation and fireproof fiber silicate valve. The control mechanism will be manually operated and shall have a blade position indicator and fusible link of 72 °C
  • CAIROX type CR60 + MFUS

Order example

  • CR60 + MFUS, 160

Explanation

CR60 = Round fire damper

MFUS = Mechanism

160 = Connection diameter

Quick selection

Dia v 345678
100Q85113141170198226
Vk56.78.31011.713.4
Ps5813192633
Lw(A)414547505254
125Q132177221265309353
Vk4.567.5910.512
Ps4711162128
Lw(A)384346485152
160Q217289362434506579
Vk45.46.78.19.410.8
Ps358121622
Lw(A)374144464951
200Q339452565678791904
Vk3.85.16.37.68.910.1
Ps24691216
Lw(A)374143464850
250Q530707883106012361413
Vk3.64.867.28.49.6
Ps2346911
Lw364043454749
315Q84111221402168219632243
Vk3.54.65.878.19.3
Ps123457
Lw(A)353943444647

Symbols and specifications

  • v = Air velocity in the duct in m/s
  • Q = Air volume in m³/h
  • Vk = Effective velocity through the damper in m/s
  • Ps = Static pressure in Pa
  • Lw(A) = Acoustic power in dB(A)
  • Dia = Duct diameter in mm

Dimensions

CR60-1S +MFUS□ 1S [mm]Ød [mm]Ød +20 [mm]y [mm]Ak [m²]
10027916018000.0047
12529918020000.0082
16033922024000.0149
20037425527500.0248
25041930032000.0407
315474355375250.0672
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