
FLU - Grille

Floor grille
Walkable grille. Same outlook as ALU.
- Vertical supply from floor, suitable also for exhaust
- Fixed front vanes, stable throw pattern, no deflection from the jet centerline
- Strong aluminium construction
- Detachable grille allows cleaning of the grille and ductwork
- Continuous grilles available with modular design
Prioduct models and Accessories
- Model with removable core vanes
- Airflow adjustment damper
- Installation frame
The floor grille has horisontal fixed vanes without deflection, and an 18 mm wide flat or 25 mm rounded frame, with an anodised standard finishing.
The floor grille can be used for both supply or exhaust air.
The bevel angles of the outer frame is welded so that the joints are almost invisible.
The floor grille is mechanically strong in order to bear external loads.
The floor grill is detachable in order to provide access to the duct.
Halton FLU
Floor Grille
- Vertical supply from floor, suitable also for exhaust
- Fixed front vanes, stable throw pattern, no deflection from the jet centreline
- Strong aluminium construction, class K3 according the standard NF-EN 1253-2
- Detachable grille allows cleaning of the grille and ductwork
- Continuous grilles available with modular design
Product models and Accessories
- Model with removable core vanes
- Airflow adjustment damper
- Installation frame
Dimensions ▲
Flat frame, 18 mm (S=A)
LxH | L1 | L2 | L3 | H1 | H2 | H3 |
300x100 | 312 | 276 | 18 | 112 | 76 | 18 |
600x100 | 612 | 576 | 18 | 112 | 76 | 18 |
1000x100 | 1012 | 976 | 18 | 112 | 76 | 18 |
300x150 | 312 | 276 | 18 | 162 | 126 | 18 |
400x150 | 412 | 376 | 18 | 162 | 126 | 18 |
600x150 | 612 | 576 | 18 | 162 | 126 | 18 |
800x150 | 812 | 776 | 18 | 162 | 126 | 18 |
1000x150 | 1012 | 976 | 18 | 162 | 126 | 18 |
1000x200 | 1012 | 976 | 18 | 212 | 176 | 18 |
Rounded frame, 25 mm (S=B)
LxH | L1 | L2 | L3 | H1 | H2 | H3 |
300x100 | 326 | 276 | 25 | 126 | 76 | 25 |
600x100 | 626 | 576 | 25 | 126 | 76 | 25 |
1000x100 | 1026 | 976 | 25 | 126 | 76 | 25 |
300x150 | 326 | 276 | 25 | 176 | 126 | 25 |
400x150 | 426 | 376 | 25 | 176 | 126 | 25 |
600x150 | 626 | 576 | 25 | 176 | 126 | 25 |
800x150 | 826 | 776 | 25 | 176 | 126 | 25 |
1000x150 | 1026 | 976 | 25 | 176 | 126 | 25 |
1000x200 | 1026 | 976 | 25 | 226 | 176 | 25 |
With flow control damper OD total depth = 48 mm + 45 mm.
Special dimensions
In addition to standard sizes, other sizes can be specially ordered. The maximum size is 1500x300 mm (LxH).
It is possible to have a continuous grille of modular design when the installation length is greater than 1500 mm. The maximum total length is 20 m.
Material ▲
Part | Material | Finishing |
Frame | Aluminium | Anodised or Mill finished |
Vanes | Aluminium | Anodised or Mill finished |
Installation frame | Galvanised steel |
The bevel angles of the outer frame have been welded so that the joints are almost invisible.
Accessories ▲
Product model | Code | Description |
Model with removable core vanes | AV | Vanes can be removed to allow access to plenum |
Accessory | Code | Description |
Flow adjustment damper | OD | Aluminium opposite blade damper for airflow adjustment |
Installation frame | IF | For the installation of the grille |
Concealed screw fastening | CC | For installation with IF frame |
Visible screw fastening | SF | Screw fastening with 25 mm wide frame |
Flat installation frame | A | 18 mm wide - 48 mm high frame |
Rounded installation frame | B | 25 mm wide - 48 mm high frame |
Function ▲
Supply air is supplied without deflection through the horizontal vanes into the space. Supply air mixes with room air in front of the grille. The Halton FLU grille can also be used as an exhaust unit.
The Halton FLU grille has a high load resistance, with a class K3 according the standard NF-EN 1253-2, (test report CSTB n°CAPE AT 16-009).
The class K3 is defined in the standard as: “Area without at the vehicle traffic, like common place, shopping centers, and some public buildings”
Installation ▲
The grille is connected to the floor plenum using the IF installation frame. (1).
Clips fastening (standard)
The grilles are supplied with clips fastening as standard with the IF installation frame.
Concealed screw fastening (option)
Concealed screw fastening is possible when the grille is installed with an installation frame (IF).
Visible screw fastening (option)
Visible screw fastening is possible with the 25 mm wide frame.
The auto screws, 4.2x25 (bevel headed screw) are supplied.
The size of the installation hole is LxH when an installation frame is used, and (L-5)x(H-5) without an installation frame.
Adjustment ▲
Airflow adjustment damper OD
The airflow rate is adjusted by turning the damper blades behind the grille with a screwdriver. The measurement is carried out when the grille is installed.
Servicing ▲
The grille can be removed for cleaning.
Remove from the floor, by gently pulling the grille from the outer frame. Use a screwdriver, if necessary.
Clean the components with a damp cloth. They must not be immersed in water.
Push the grille back into place, so that the springs lock.
Specification ▲
The floor grille has horisontal fixed vanes without deflection, and an 18 mm wide flat or 25 mm rounded frame, with an anodised standard finishing.
The floor grille can be used for both supply or exhaust air.
The bevel angles of the outer frame is welded so that the joints are almost invisible.
The floor grille is mechanically strong in order to bear external loads.
The floor grill is detachable in order to provide access to the duct.
Order code ▲
FLU/S-L-H; FS-FI-ZT
S = Frame option
A Frame 18 x 45
B Frame 25 x 45
L = Length
200, +1, .., 20000
H = Height
100, +1, .., 300
Other options and Accessories
FS = Fastening
CL Clips
CC Concealed screw fastening
SF Screw fastening
FI = Finishing
AN Anodised
MF Mill finished
ZT = Tailored product
N No
Y Yes
Sub products
BDR Plenum
PRL Plenum
IF Installation frame (Grilles)
OD Opposed blade damper (Grilles)
Code example
FLU/A-200-100, FS=CL, FI=AN, ZT=N
Downloads & Media
Halton FLE-FLU - se | Type Datasheet | Language Swedish (Sweden) | Size 773.1 kB |
Halton FLE-FLU - fi | Type Datasheet | Language Finnish (Finland) | Size 772.8 kB |
Halton FLE-FLU - ru | Type Datasheet | Language Russian (Russia) | Size 798.7 kB |
Halton FLE-FLU - nl | Type Datasheet | Language Dutch (Netherlands) | Size 773.4 kB |
Halton FLE-FLU - fr | Type Datasheet | Language French (France) | Size 645.6 kB |
Halton FLE-FLU - gb | Type Datasheet | Language English (United Kingdom) | Size 771.6 kB |