EF - ventilation grille | S.A. TROX Belgium/TROX Belgium N.V.

EF – VENTILATION GRILLE

Installation subframe for the fitting of filter media, for the fast and simple installation of ventilation grilles with filtering function

Installation subframe for the simple and precise installation of ventilation grilles, can be mortared into the wall opening with fixing tabs

Suitable for ventilation grilles of Types AT, VAT, AH, SL, TR, TRS
Angle sections made of galvanised steel
Preformed fixing tabs
Filter medium is kept in place by wires

Application

Application

For the installation of ventilation grilles in walls and sills
Simplified installation
The installation subframe allows for the fast, simple and precise installation of ventilation grilles
For the protection of components in systems with heavily dust laden extract air
Coarse dust filter according to EN 779, class G4
For ventilation grilles without any attachments and for ventilation grilles with hit and miss damper (attachment)

Description

Parts and characteristics

Installation subframe consisting of angle sections
Groove for spring clip fixing of the grille face
Support wires
Filter medium FMP-G4-C11

Materials and surfaces

Installation subframes, made of formed sheet steel, with fixing tabs
Filter medium made of chemical fibres
Installation subframe dip coated RAL 9005, jet black

Standards and guidelines

Testing of coarse and fine dust filters to EN 779 (Particulate air filters for general ventilation): European standard for the test procedure and the test rig for the determination of filter performance

Maintenance

Maintenance-free as construction and materials are not subject to wear
Inspection and cleaning to VDI 6022

Technical information

Variants

Any accessories are defined with the order code of the ventilation grille.

Installation subframe and casing for the fitting of filter media for ventilation grilles

Type of ventilation grille	Installation subframe
Type of ventilation grille	EF
Type of ventilation grille	Width of ventilation grille border
Type of ventilation grille	mm
Installation into walls, sills or rectangular ducts
AT	27
VAT	27
AH	28
SL	28
TR	27
TRS	27

The weight table shows the available nominal sizes

Installation details

Installation dimensions of installation subframe with filter element (EF)

① Installation subframe
② Fixing tab

Installation and commissioning

Before mortaring in the installation subframe

Bend the preformed fixing tabs

After mortaring in the installation subframe

Position the ventilation grille in the installation subframe and fasten it
EF-AS: Before you install a ventilation grille with a hit and miss damper you need to remove the support wires

These are only schematic diagrams to illustrate installation details.

Downloads

product information

Product data sheet Type EF

Product data sheet 530 KB pdf

operation manuals

Installation manual Lüftungsgitter

Installation manual 1,2 MB pdf

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