Type FKR-EU

For large diameters, with or without a flange

Large circular fire damper for the isolation of duct penetrations between fire compartments, available in nine nominal sizes

  • Nominal sizes: 315 – 800 mm
  • For mortar-based installation in solid walls, ceiling slabs and lightweight partition walls
  • Dry mortarless installation into lightweight partition walls
  • Low differential pressure and sound power level
  • Flanges as an option
  • Explosion-proof construction (ATEX) as an option
  • Optional stainless steel casing or powder-coated casing for increased corrosion protection
  • Integration into the central BMS with TROXNETCOM


Optional equipment and accessories

  • Electric actuator 24 V/230 V
  • Release temperature 72/95 °C
  • Duct smoke detectors

Fire damper Type FKR-EU 00137501_0
  • Application
  • Description

Application

  • Fire dampers of Type FKR-EU, with CE marking and declaration of performance, for the isolation of duct penetrations between fire compartments in the event of a fire
  • To prevent the propagation of fire and smoke through ductwork to adjacent designated fire compartments

Special characteristics

  • Declaration of performance according to Construction Products Regulation
  • Classification to EN 13501-3, up to EI 120 (ve, ho, i ↔ o) S
  • Building inspectorate licence Z-56.4212-991 for fire resistance properties
  • Complies with the requirements of EN 15650
  • Tested to EN 1366-2 for fire resistance properties
  • Hygiene complies with VDI 6022 part 1 (07/2011), VDI 3803 (10/2002), DIN 1946 part 4 (12/2008), and EN 13779 (09/2007)
  • Corrosion protection according to EN 15650 in connection with EN 60068-2-52
  • Closed blade air leakage to EN 1751, class 4
  • Casing air leakage to EN 1751, class C
  • Low differential pressure and sound power level
  • Any airflow direction
  • Integration into the central BMS with TROXNETCOM
  • Explosion-proof constructions for zones 1, 2, 21, 22

Classification

  • Class of performance to EN 13501-3, up to EI 120 (ve, ho, i ↔ o) S

Nominal sizes

  • 315, 355, 400, 450, 500, 560, 630, 710, 800
  • L: 495 mm or 550 mm (depending on casing construction)

Variants

  • With fusible link
  • With fusible link for use in potentially explosive atmospheres
  • With spring return actuator
  • With spring return actuator for use in potentially explosive atmospheres

Parts and characteristics

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

Attachments

  • Limit switch for damper blade position indication
  • Limit switch for damper blade position indication for use in potentially explosive atmospheres
  • Spring return actuator for 24 V AC/DC or 230 V AC supply voltage
  • Spring return actuator for 24 – 230 V supply voltage, for use in potentially explosive atmospheres
  • Network module for the integration with AS-i or LON networks

Accessories

  • Flexible connectors
  • Cover grille
  • Extension piece
  • Installation kit TQ

Useful additions

  • Duct smoke detector RM-O-3-D
  • Duct smoke detector with airflow monitor RM-O-VS-D

Construction features

  • Rigid, circular casing with spigot connections suitable for circular ducts. Spigots with lip seal on both ends, suitable for commercially available circular ducts to EN 1506 or EN 13180; alternatively with flanges on both ends. Flanges, to EN 12220
  • The release mechanism is accessible and can be tested from the outside
  • Suitable for the connection of ducts, flexible connectors or a cover grille
  • Remote control with spring return actuator

Materials and surfaces

Casing:

  • Galvanised sheet steel
  • Galvanised sheet steel, powder-coated RAL 7001
  • Stainless steel 1.4301


Damper blade:

  • Special insulation material
  • Special insulation material with coating


Other components:

  • Damper blade shaft in stainless steel
  • Plastic bearings
  • Seals of elastomer


The construction variants with stainless steel or powder-coated casing meet even more critical requirements for corrosion protection. Detailed listing on request.

Standards and guidelines

  • Construction Products Regulation
  • EN 15650:2010 Ventilation for buildings – Fire dampers
  • EN 1366-2:1999 Fire resistance tests for service installations – Fire dampers
  • EN 13501-3:2010 Fire classification of construction products and building elements
  • EN 1751:1999 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

FKR-EU-
Conversion from manual operation to a BFN actuator


FKR-EU- Conversion
to an explosion-proof limit switch


FKR-EU Mounting
limit switch


FKR-EU conversion
from manual operation to operation with explosion-proof actuator

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Tel.: +39 029829741 | Fax: +39 029829760