Type AH

Ventilation grilles, made of aluminium, with fixed horizontal blades – also for horizontal runs

Single ventilation grilles and horizontal run sections with special profiled blades

  • Nominal sizes 225 × 75 – 1225 × 425 mm and horizontal run sections
  • Volume flow rate range 10 – 1235 l/s or 36 – 4446 m³/h
  • Grille face made of aluminium with anodised finish
  • Front border, 20 mm or 28 mm wide
  • Straight (0°) or angled (15°) air discharge
  • Concealed screw fixing


Optional equipment and accessories

  • Grille face in RAL CLASSIC colours
  • Installation subframe
  • Installation subframe for fitting filter media
  • Attachments for volume flow rate balancing and air direction control
  • Spring clip fixing or countersunk holes (only for 28 mm wide front border)

AH-0-A/825×225 00137411_0
  • Application
  • Description

Application

  • Ventilation grille of Type AH as supply air or extract air variant for comfort zones and industrial zones
  • Directed supply air discharge for mixed flow ventilation
  • Blades for straight (0°) or angled (15°) air discharge to meet different local requirements
  • For variable and constant volume flows
  • For supply air to room air temperature differences from –12 to +4 K
  • For installation in walls, sills and rectangular ducts

Special characteristics

  • Fixed blades
  • Front border in two widths
  • Concealed screw fixing, spring clip fixing or countersunk holes
  • Also for continuous horizontal runs
  • Optional installation subframe and casing for the fitting of filter media

Nominal sizes

Single grille

  • Nominal length: 225, 325, 425, 525, 625, 825, 1025, 1225 mm
  • Nominal height: 75, 125, 225, 325, 425, 525 mm


Horizontal run section

  • Nominal length of end section: 960, 1130, 1310, 1490, 1670, 1850 mm
  • Nominal length of middle section: 2000 mm
  • Nominal height: 75, 125, 225, 325 mm


Other dimensions upon request

Variants

  • AH: Single grille
  • E-AH, M-AH: Horizontal run section


Border

  • 28 mm wide
  • 20 mm wide


Mounting

  • Concealed screw fixing
  • E11: Concealed screw fixing (20 mm)
  • A11: Countersunk holes (only 28 mm)
  • B11: Spring clip fixing (28 mm)
  • F11: Spring clip fixing (20 mm)

Parts and characteristics

  • Rectangular profile border sections
  • Fixed horizontal blades
  • Vertical lateral mullions
  • Factory fitted perimeter seal
  • Vertical centre mullion for nominal lengths over 625 mm

Attachments

  • AG, AS, D, DG: For volume flow rate balancing and for air direction control

Accessories

  • Installation subframe: For the fast and simple installation of ventilation grilles
  • Filter casing: Frame with filter element and spring clip fixing (only with 28 mm wide front border)

Construction features

  • 20 mm or 28 mm wide border
  • Blades for straight (0°) or angled (15°) air discharge

Materials and surfaces

  • Border and blades made of aluminium
  • Border and blades anodised, E6-C-0, natural colour
  • P1: Border and blades powder-coated, RAL CLASSIC colour

Standards and guidelines

  • Sound power level of the air-regenerated noise measured according to EN ISO 5135

Maintenance

  • Maintenance-free as construction and materials are not subject to wear
  • Inspection and cleaning to VDI 6022

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For general question regarding products or services you can also call:
Tel.: +43 1 250 43-0| Fax: +43 1 250 43 34