Type WGF

Specifically for façade installation

 

External weather louvres – specifically for façade installation – as a protection of air conditioning systems against the direct ingress of rain, leaves and birds into fresh air and exhaust air openings

  • Maximum width of 2000 mm, maximum height of 2500 mm per section
  • For the installation into façades or for the construction of enclosures for machinery or electrical equipment
  • Low differential pressure due to aerofoil blades
  • Low air-regenerated noise
  • All aerodynamic data is measured in aerodynamics and acoustics laboratories
  • Variants made of galvanised sheet steel or aluminium
  • Flexible arrangement of sections for covering large areas (should then be fixed on a support structure which is to be provided by others)


Optional equipment and accessories

  • Corner section
  • Insect screen
  • Powder-coated or anodised
small_tab1_Serie WGF
  • Application
  • Description

Application

  • External weather louvres of Type WGF for the fresh air and exhaust air openings of air conditioning systems
  • Protection against the direct ingress of rain as well as against leaves and birds
  • Recommended face velocity for fresh air openings: 2 – 2.5 m/s max.

Special characteristics

  • Low differential pressure and low noise due to aerofoil blades
  • Large-size covering of complete façades, or of air intake and discharge openings on external walls; uniform look with regular blades, without distracting flanges
  • Robust construction
  • Very large dimensions (height and width) are available since any number of sections can be fitted side by side or on top of each other (support structure required)
  • Free area of approx. 50 %, based on B × (H – 0.125 m)

Variants

  • WGF-T: Façade weather louvre made of galvanised sheet steel, middle section
  • WGF-E: Façade weather louvre made of galvanised sheet steel, corner section
  • WGF-AL-T: Façade weather louvre made of aluminium, middle section
  • WGF-AL-E: Façade weather louvre made of aluminium, corner section

Construction

  • Wire mesh made of galvanised steel
  • 2: Wire mesh, stainless steel (only WGF-AL)

Parts and characteristics

  • Serrated angle sections (left and right)
  • Regular blades and bottom blade
  • Wire mesh
  • Optional insect screen
  • Fixing elements for the blades, serrated angle section (if B > 2000 mm: combination of several serrated angle sections) and wire mesh

Construction features

  • Blades, material thickness of 1.25 mm for steel, 2 mm for aluminium
  • Free area of approx. 50 %, based on B × (H – 0.125 m)
  • Serrated angle section, with fixing holes on side and rear, material thickness 3 mm
  • Wire mesh at the rear, mesh aperture 20 × 20 × 1.8 mm
  • Optional insect screen at the rear, mesh aperture 1.25 × 1.25 × 0.4 mm

Materials and surfaces

WGF (steel)

  • Blades and serrated angle sections made of formed galvanised sheet steel, material no. DX51D+Z150-200-NAC
  • Wire mesh made of galvanised steel
  • Serrated angle sections, powder-coated black (RAL 9005)
  • P1: Powder-coated, RAL CLASSIC colour
  • PS: Powder-coated, NCS or DB colour


WGF-AL (aluminium)

  • Aluminium blades, material no. EN AW-6060 T66
  • Serrated angle sections made of formed galvanised sheet steel, material no. DX51D+Z150-200-NAC
  • Wire mesh made of galvanised steel
  • Serrated angle sections, powder-coated black (RAL 9005)
  • P1: Powder-coated, RAL CLASSIC colour
  • PS: Powder-coated, NCS or DB colour
  • S2: Anodised to EURAS standard, E6-C-31...35
  • S3: Anodised to EURAS standard, E6-C-0

Technical information

  • Function
  • Technical data
  • Quick sizing
  • Specification text
  • Order code
wgf

Functional description

External weather louvres are externally mounted air transfer devices for the fresh air and exhaust air of air conditioning systems. They are installed in external walls and façades. Their narrowly arranged blades give good protection against the direct ingress of rain as well as against leaves and birds.

Under certain unfavourable conditions, such as heavy rain, and depending on the airflow velocity it might happen that slight quantities of water enter together with the air.

This is why the airflow velocity in fresh air openings should not exceed 2 – 2.5 m/s.

wgf
wgf

 

Rectangular external weather louvres for façade installation, as a protection of air conditioning systems against the direct ingress of rain, leaves and birds into fresh air and exhaust air openings. Ready-to-install component which consists of a rain resistant border and aerofoil blades, and a wire mesh at the rear.

Special characteristics

  • Low differential pressure and low noise due to aerofoil blades
  • Large-size covering of complete façades, or of air intake and discharge openings on external walls; uniform look with regular blades, without distracting flanges
  • Robust construction
  • Very large dimensions (height and width) are available since any number of sections can be fitted side by side or on top of each other (support structure required)
  • Free area of approx. 50 %, based on B × (H – 0.125 m)

Materials and surfaces

WGF (steel)

  • Blades and serrated angle sections made of formed galvanised sheet steel, material no. DX51D+Z150-200-NAC
  • Wire mesh made of galvanised steel
  • Serrated angle sections, powder-coated black (RAL 9005)
  • P1: Powder-coated, RAL CLASSIC colour
  • PS: Powder-coated, NCS or DB colour


WGF-AL (aluminium)

  • Aluminium blades, material no. EN AW-6060 T66
  • Serrated angle sections made of formed galvanised sheet steel, material no. DX51D+Z150-200-NAC
  • Wire mesh made of galvanised steel
  • Serrated angle sections, powder-coated black (RAL 9005)
  • P1: Powder-coated, RAL CLASSIC colour
  • PS: Powder-coated, NCS or DB colour
  • S2: Anodised to EURAS standard, E6-C-31...35
  • S3: Anodised to EURAS standard, E6-C-0

Construction

  • Wire mesh made of galvanised steel
  • 2: Wire mesh, stainless steel (only WGF-AL)

Technical data

  • Nominal sizes (middle section): 1000 × 500 – 2000 × 2500 mm
  • Volume flow rate range (middle section): 940 – 11880 l/s
  • Volume flow rate range (middle section): 3384 – 42768 m³/h
  • Free area: approx. 50 %
  • Total differential pressure – exhaust air: 50 Pa at 2.5 m/s (façade installation)
  • Total differential pressure – fresh air: 60 Pa at 2.5 m/s (façade installation)
wgf

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Contact

Thank you for your message!

Visual contact Visual contact

Your message is send and will be processed shortly.
Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +43 1 250 43-0| Fax: +43 1 250 43 34