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BLR-GDA (RAL9006) • Circular external louvres in aluminium

  • Built-in
  • Circular
  • Aluminium
  • Alu-look, RAL 9006
  • With mesh

Circular air intake or exhaust louvres made of aluminium with fixed blades

Brand

  • Cairox

Application

  • For air exhaust or intake in ventilation systems

Material

  • Aluminium

Colour

  • Alu look RAL9006

Composition

  • Pressed body made of aluminium duct connector with clips
  • Insectscreen fitted behind the face of the louvre

Mounting

  • To be fitted in ducts or round openings in extrenal wall

Text for tender

Copy
  • The air louvres shall be circular for built-in mounting
  • Aluminium natural finish
  • Cairox Type BLR-GDA

Order example

  • BLR-GDA, 250


Explanation

BLR-GDA = Type grill

250 = Connection diameter in mm

Dimensions

BLR-GDAØA [mm]ØB [mm]ØC [mm]D [mm]Ak [m²]Ak [%]
200220195177400.014847
250270245227400.023147
300320295277400.034348
350370345327400.046348
400420395377400.061149

Selection graph

Symbols & specifications

  • Q = Air Volume in m³/h
  • Ps = Static pressure loss in Pa
  • Ak [m²] = Effective area in m²
  • Ak [%] = per cent free passage relative to duct diameter
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