Type KU-K30

For diffusers in suspended F30 ceilings

Square fire damper for installation in suspended fire-resistant F30 ceilings For the isolation of duct penetrations between fire compartments, available in five nominal nominal sizes

  • Nominal sizes for diffusers sized 300 × 300 – 625 × 625 mm
  • Satisfies high ventilation requirements when combined with a diffuser
  • Coated construction meets high hygiene requirements
  • Integration into the central BMS with TROXNETCOM


Optional equipment and accessories

  • Ceiling diffusers/swirl diffusers
  • External fusible link, 72 °C
  • Electric actuator
  • Release temperature 72/95 °C

KU-K30 00136694_0
  • Application
  • Description

Application

  • Fire dampers of Type KU-K30 for the isolation of air terminal devices in self supporting fire-resistant suspended ceilings in the event of a fire
  • To prevent the propagation of fire and smoke through ductwork to adjacent designated fire compartments

Special characteristics

  • Licence Z-41.3-320
  • Tested to DIN 4102-6 for fire resistance properties
  • Classification to DIN 4102, K30-U
  • Low differential pressure and sound power level
  • For use with supply air or extract air systems (for supply air systems with perforated sheet metal)
  • Integration into the central BMS with TROXNETCOM

Classification

  • Fire resistance class K30-U to DIN 4102-6

Nominal sizes

  • Fire damper: 300 × 300, 400 × 400, 500 × 500, 600 × 600, 625 × 625 mm
  • Spigot Ø (depending on the nominal size): 160, 200, 250, 315 mm

Variants

  • With fusible link
  • With spring return actuator

Parts and characteristics

  • Release temperature 72 °C or 95 °C (for use in warm air ventilation systems)

Attachments

  • Limit switch for damper blade position indication
  • Spring return actuator for 24 V or 230 V supply voltage
  • External fusible link

Useful additions

  • Diffuser: FD, TDF-SilentAir, DLQ or ADLQ

Construction features

  • Casing made of calcium silicate
  • Damper blade made of special insulation material

Materials and surfaces

Plenum box:

  • Special insulation material
  • Special insulation material with RAL 7001 coating on the inside


Damper blade:

  • Special insulation material
  • Special insulation material with RAL 7001 coating
  • Seal made of neoprene


Other components:

  • Spigot and attachments made of galvanised sheet steel
  • Fixing elements made of galvanised steel

Standards and guidelines

  • DIN 4102-6, standard fire resistance test
  • EN 1751 Ventilation for buildings – Air terminal devices

Maintenance

  • The functional reliability of the fire damper must be tested at least every six months; this has to be arranged by the owner of the ventilation system; functional tests must be carried out in compliance with the basic maintenance principles stated in EN 13306 and DIN 31051. If two consecutive tests, one 6 months after the other, are successful, the next test can be conducted one year later
  • A functional test involves closing the damper blade and opening it again; with a spring return actuator this can be done via remote control
  • Fire dampers must be included in the regular cleaning schedule of the ventilation system.
  • For details on maintenance and inspection refer to the installation and operating manual

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