Type FKS-EU

Compact dimensions, ideal for restricted spaces

Small rectangular fire damper for the isolation of duct penetrations between fire compartments, available in many sizes

  • Nominal sizes 200 × 100 to 800 × 200 mm
  • Low differential pressure and sound power level
  • Optional stainless steel casing or powder-coated casing for increased corrosion protection
  • Can also be used as an air transfer damper or air transfer unit
  • Integration into the central BMS with TROXNETCOM
  • Universal installation options


Optional equipment and accessories

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

FKS-EU with spring return actuator 00130543_0
  • Application
  • Description

Application

  • Fire dampers of Type FKS-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 2
  • 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

Classification

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

Nominal sizes

  • B × H: 200 × 100 – 800 × 200 mm (width in increments of 50 mm)
  • L: 300 mm

Variants

  • With fusible link
  • With spring return actuator
  • With cover grilles both ends as air transfer unit with general building inspectorate licence: Z-19.18-2127
  • With spring return actuator and duct smoke detector
  • With spring return actuator, duct smoke detector and cover grilles on both ends for use as an air transfer opening, with general building inspectorate licence Z-6.50-2231

Parts and characteristics

  • Easy dry mortarless installation into solid walls and ceiling slabs, lightweight partition walls, fire walls and shaft walls using an installation block
  • 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 AC/DC or 230 V AC supply voltage
  • Network module for the integration with AS-i or LON networks
  • Spring return actuator and pre-wired duct smoke detector, 24 V or 230 V supply voltage

Accessories

  • Cover plate (to keep the fire damper stable and hence facilitate mortaring)
  • Cover grille
  • Flexible connectors
  • Extension piece
  • Rectangular installation block E

Useful additions

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

Construction features

  • Rectangular or square construction, rigid casing, both flanges with fixing holes (System 30)
  • Suitable for the connection of ducts, flexible connectors or a cover grille
  • The release mechanism is accessible and can be tested from the outside
  • Two inspection access panels
  • Intermediate dimensions in 50 mm increments for width
  • 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

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