WSD - Grille


可水平供风,同时也可用于排气。 水平叶片可调。




  • 可水平供风,同时也可用于排气
  • 水平叶片可调
  • 采用铝制结构,外观雅致
  • 格栅可拆卸,便于清洁格栅和管道


  • 流量调节阀
  • 可选配具备测量和调节功能的静压箱
  • 安装架

该格栅由挤制铝材制成,并经过阳极氧化处理或白色 (RAL9010) 标准色彩环氧喷漆处理。
WSD 格栅的水平叶片可调,并具有一个半径为 25 mm 的外框(配有密封垫片)。


方案 1


方案 2



Halton WSD - terminated as of 1 August 2018
-> replaced with Halton WDD


  • Horisontal air supply, suitable also for exhaust
  • Adjustable horizontal vanes
  • Aluminium construction with elegant outlook
  • Detachable grille enables cleaning of the grille and ductwork


LxH  L1  L2  H1  H2 
200x100  226 176 126 76
250x100  276 226 126 76
300x100  326 276 126 76
300x150  326 276 176 126
400x150  426 376 176 126
400x200  426 376 226 176
500x200  526 476 226 176
600x200  626 576 226 176
800x200  826 776 226 176
1000x200  1026 976 226 176
600x300  626 576 326 276
800x300  826 776 326 276
1000x300  1026 976 326 276
1000x400  1026 976 426 376
1200x400  1226 1176 426 376

With OD (airflow adjustment damper) total depth = 32 mm + 45 mm.

Special dimensions

In addition to these standard sizes, other dimensions are available by special order. The maximum size is 1500mm x 600mm (LxH).


 Part  Material  Finishing  Note
 Frame  Aluminium  Polyester-painted as
 white (RAL9010/50% gloss),
 anodised or
 mill finished
 Special colours available
 Fixed vanes  Aluminium  Polyester-painted as
 white (RAL9010/50% gloss),
 anodised or
 mill finished
 Special colours available
 Installation frame  Galvanised steel    
 Plenum box/spigot  Galvanised steel    


 Accessory Code  Description
 Balancing plenum PRL  For balancing & equalising the airflow
 and attenuating the duct noise
 Plenum BDR  Plenum for duct connection
 (with or without attenuation material)
 Airflow measurement and
 adjustment unit
MSM  For supply installation
 Airflow measurement and
 adjustment unit
MEM  For exhaust installation
 Sound attenuation IN  Mineral wool for the BDR plenum box.
 Mineral wool and  polyester fibre
 for the PRL plenum box
 Flow adjustment damper OD  Aluminium opposite blade damper
 for airflow adjustment
 Installation frame IF  For installation without plenum
 Visible screw fastening SF  Screw fastening
 Concealed screw fastening CC  For installation with BDR plenum or IF frame


Supply air is supplied with possible deflection through the horizontal vanes into the space. The supply air mixes with the room air in front of the grille. The supply air is directed with the horizontal adjustable vanes.

In wall installations, the recommended distance from the ceiling is 200 mm, when the supply air is directed to the ceiling.

The Halton WSD grille can also be used as an exhaust unit.


The grille is connected to the duct either directly using the IF/WTS installation frame, or using a Halton PRL balancing plenum or Halton BDR plenum.

Installation frame, IF/WSD              Balancing plenum, PRL         Plenum box, BDR

Clips fastening (standard)

The grilles are delivered with spring fastening as standard.
Spring fastening is used with Halton PRL, Halton BDR and IF/WSD.

Concealed screw fastening


Concealed screw fastening is possible when the grille is installed with an installation frame (IF/WSD) or with a Halton BDR plenum; not with a Halton PRL balancing plenum. Holes are provided for screws in BDR.

Visible screw fastening

For large grilles, we recommend using visible screw fastening. The auto screws, 4.2x25 (bevel headed screw) are supplied.

The dimensions of the installation holes are LxH when an installation frame is used, and (L-5) x (H-5) without installation frame.



In order to enable airflow adjustment and measurement of airflow rate we recommend connecting the diffuser to a Halton BDR plenum or Halton PRL balancing plenum equipped with the MSM module.
The supply flow rate is determined by using the measurement and adjustment module MSM.
Detach the grille and pass the tubes and control spindle through the grille.
Measure the differential pressure with a manometer. The flow rate is calculated using the formula below.

Adjust the airflow rate by rotating the control spindle until the desired setting is achieved.
Lock the damper position with a screw.
Replace the tubes and spindle into the plenum and replace the grille.

The k-factor for installations with different safety distances
(D= duct diameter)

BDR >6xD min 3xD
100 6 7
125 10 12
160 19 22
200 28 32
250 49 51
315 77 83



The airflow rate is selected by measuring the pressure difference between the measurement tap on the Halton PRL balancing plenum or Halton BDR plenum and the room air.
The corresponding airflow rate is calculated and can be adjusted by turning the control spindle of the adjustment unit MEM.

Airflow adjustment damper OD

The airflow rate can also be adjusted by turning the damper blades behind the grille with a screwdriver. The measurement is carried out when grille is installed.


Remove the grille by gently drawing it out by the frame. Use a screwdriver if necessary.
Clean the parts by wiping them with a damp cloth.
Push the grille back into place until the springs lock (or fix by screwing on the concealed screws).

With balancing plenum Halton PRL + MEM or Halton BDR + MEM

Remove the measurement and adjustment module by gently pulling the shaft (NB not the control spindle)
Wipe the parts with a damp cloth, instead of immersing in water.
Remount the measurement and adjustment module by pushing in the shaft until the module meets the stopper.
Push the grille back into place until the springs lock.


The grille is made of extruded aluminium, with an anodised or epoxy-painted with a white (RAL9010) standard colour.
The bevel angles of the outer frame are welded so that the joints are almost invisible.
The Halton WSD grille has horizontal adjustable vanes and a 25 mm wide radius frame (which shall incorporate a sealing gasket).

Alternative 1

The grille can be connected to the ductwork using a plenum, with mineral wool as sound insulation material.

Alternative 2

The grille can be connected to the ductwork using a balancing plenum, which comprises sound attenuation material made of polyester fibre with a washable surface.

The plenum comprises an airflow measurement and adjustment unit.
The grille is removable in order to provide access to the measurement and adjustment module in the plenum.

Order Code


L = Length
   200, +1, .., 1500

H = Height
      100, +1, .., 600

Other options and accessories

FS  = Fastening
         CL     Clips
         SF     Screw fastening
         CC     Concealed screw fastening

FI  = Finishing
        PN     Painted
        AN     Anodised
        MF     Mill finished

CO = Colour
         W      White, as standard (RAL 9010)
         X       Special colour
         N       No painting

ZT = Tailored Product
         N        No
         Y        Yes

Sub products

         BDR     Plenum
         PRL     Plenum
         IF        Installation frame (Grilles)
         OD      Opposed blade damper (Grilles)

Code example

        WSD-200-100, FS=CL, FI=AN, CO=N, ZT=N

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