FBA_img_15psd.png
FBA-3

Deburred, black lacquered, visible side turned over

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FBA-3-*-SM

Adjustable dirt trap

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FBA-4-*-KF

Trim ring with spring clip fixing

FBA_img_05psd.png
FBA-1-VF

With swirl element to adjust the air flow

FBA_img_15psd.png
FBA_img_14psd.png
FBA_img_18psd.png
FBA_img_05psd.png

FBA  

Round aluminium air diffusers for installation in floors

The different attachments allow a wide range of applications with different air flows, installation conditions and several options for volume flow balancing.

  • Nominal sizes: 150, 200 mm
  • Volume flow range 1 - 59 l/s or 4 - 213 m³/h
  • Annular diffuser contour with different surface structures
  • For constant and variable volume flows
  • For all types of raised floors
  • Horizontal or vertical air flow
  • Reduction element adjustable on the front or rear side
  • Can be installed with and without trim ring
  • The trim ring allows quick and easy installation and removal of the grille inserts for cleaning purposes
  • High mechanical strength/breaking resistance > 17 kN
  • Ideal for comfort zones

Optional equipment and accessories

  • Swirl unit adjustable at the back for manual adjustment between vertical and horizontal air routing
  • Trim ring with spring clip fixing to cover the installation opening
  • Dirt trap can also be used as a reduction element
  • Plenum box

Allgemeine Informationen

Application

  • Floor diffusers as supply air diffusers for comfort areas
  • Installation in raised floors without plenum box if it is constructed as a pressurised floor
  • Installation in raised floors with plenum box to allow individual ventilation in rooms or zones
  • Vertical supply air flow, with adjustable swirl unit also horizontal air flow
  • Variants with adjustable swirl units can be manually set to vertical or horizontal air routing
  • Attractive design element with various types of surfaces, for building owners and architects with demanding aesthetic requirements
  • Comfortable and energy-efficient airflow through supporting convection currents in the occupied zone
  • Thermal loads are effectively dissipated
  • For constant and variable volume flows
  • For supply air temperature differences of –12 - +20 K


Special characteristics

  • Simple and quick assembly and covering of the installation opening when used with trim ring and spring clip fixing
  • Installation in hard flooring requires a spacing ring The spacing ring is included in the delivery if no trim ring has been selected
  • High crush resistance > 17 kN
  • The grille insert is torsion-proof and centred in combination with trim ring
  • With or without swirl unit to allow for various air patterns
  • A dirt trap reduces contamination of the floor and facilitates volume flow rate balancing. It can be adjusted from the diffuser front and back surface


Nominal sizes

  • 150, 200


Variants

Setting the air flow direction

  • -*: no entry: vertical air flow, inalterable
  • -V: preset vertical swirling airflow, the swirl vane is manually adjustable
  • -H: preset horizontal swirling airflow, the swirl vane is manually adjustable

Installation

  • -*-: Floor diffuser with spacing ring
  • -KF: Floor diffuser with trim ring and spring clip fixing

Dirt trap

  • -*: no entry: without dirt trap
  • -SM: with adjustable dirt trap Dirt trap adjustable on the back, the dirt trap can also serve as a reduction element for volume flow rate balancing
  • -SV: with adjustable dirt trap Dirt trap adjustable from the diffuser face front, the dirt trap can also serve as a reduction element for volume flow rate balancing

Plenum box

  • -*: no entry: without plenum box
  • -A: with plenum box for connection to the on-site air duct system


Construction

Surface floor diffuser (floor grille and trim ring)

  • -1: Deburred diffuser core
  • -3: Deburred diffuser core, painted black, exposed surface overtightened
  • -4: Deburred diffuser core, exposed surface overtigthened


Parts and characteristics

Grille insert Floor diffuser

  • Ring spacing: 6 mm
  • Height-adjustable dirt trap which serves as a reduction element for volume flow rate balancing
  • Adjustable swirl unit for vertical or horizontal swirling air flow or air routing

Trim ring with spring clip fixing

  • Rotation lock and centring grille insert
  • Covers the installation opening
  • Spring clip fixing enables different magnitude of the raised floor and the compensation of large cut-out tolerances when creating the installation openings. For the tightest possible fit of the trim ring, we recommend the minimum installation dimension
  • Balancing with soft flooring, e.g. carpetWorks well with soft flooring, e.g. carpet


Attachments

  • Spacing ring to hold the grille insert for variants without trim ring
  • Trim ring with spring clip fixing to accommodate the grille insert and to attach the installation opening
  • Adjustable swirl unit for vertical or horizontal swirling air flow
  • Fixed swirl unit for vertical air flow (only for nominal size 200)
  • Height-adjustable dirt trap which also serves as a reduction element for volume flow rate balancing


Accessories

Plenum box -A:

  • For direct connection to the on-site air duct system
  • With incorporated air distribution element for a steady flow to the floor diffuser
  • Plenum box suitable for all nominal sizes


Material

  • Grille insert and trim ring made of die-cast aluminium
  • Spring clips made of stainless steel
  • Adjustable swirl unit and dirt trap made of ABS plastic, UL94-V-0
  • Spacing ring made of plastic ABS UL 94-V-0
  • Dirt trap adjustment device and connective marterial made of galvanised steel
  • Plenum box made of galvanised sheet steel


Technical data

  • Nominal sizes: 150, 200 mm
  • Volume flow rate range: 1 – 59 l/s or 4 – 213 m³/h
  • Supply air temperature difference: -12 - +20 K
  • Crush resistance > 17 kN

Downloads

product information

certificates

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Thank you for your message!

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Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +27 33 3981006