• Air Movement Equipment

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  • Access Panels

    Fast installation & speedy and simple access!

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    Supplied in 10m compressed lenghts!

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    Big range of grilles

  • DVP Series

    DVP Smart Air Disc Valve

  • Connectors

    Flexible Duct Connectors

Return air Grilles - RA 

   
  • These grilles feature a light weight extruded aluminium with or without damper attached. 
  • The standard grilles are available with fixed horizontal blades spaced at 21 mm apart.  

GENERAL SPECIFICATIONS

  • Different spacing can be offered as a special request.
  • The frame is constructed of 1.3mm thickness extruded aluminium with curved fins of extruded aluminium of 1.2 to 1.6mm thickness. 
  • The damper is constructed from extruded aluminium blades and frame.
  • Grille can be finished with powder coated white finish preceded by a five stage preparation process of cleaning, phosphatising and drying.
  • Other colours are available on request.
  • Grilles can also be supplied as natural anodised.
  • For outside weatherproof applications the Return Air Ribbed Blade (RARB) can be offered.  This type is particularly suited to grilles for console air conditioners. 
   
This grille my be mounted vertically or horizontally.
TYPE RA (45deg. Deflection):
Return Air Grille manufactured of extruded type anodising grade aluminium with fixed curved blade profile giving low see through characteristics.
This grille may be mounted vertically or horizontally.
Optional Accessories OBD = Opposed Blade Damper
  PC = Punched counter sunk holes
  CF = Concealed Fixing
  FS = Rear Fixing Straps
Frame Options 30mm Standard
  20mm
   
  50mm    
Finish Options NA = Natural Anodised
  EPC = Epoxy Powder Coating
Blade Spacings 13mm    
  21mm Standard
  26mm    
Ordering Procedure: Example
REF QTY SIZE (LxH) TYPE ACCESS FRAME FINISH SPECIAL INSTRUCTIONS
1 15 1195 x 595 RA - 30 NA "OS"

Note:
(1)  Dimensions given are for over flange size
(2)  If 13mm, 19mm, 26mm Blade Spacing required, enter under SPECIAL INSTRUCTIONS

 EXAMPLE

 0,4m3/s AT 4M/S
 USE 350mm x 350mm
PRESSURE DROP IS 10N/m2
GRILLE + OBD PRESSURE DROP 
IS 15N/m2 BY PIVOTING
ON LINE A-A ALTERNATIVE
DIMENSIONS ARE OBTAINED.
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