Product details:
Manufacturer:
Colt International Limited
New Lane, Havant, Hampshire. PO9 2LY
Tel. 023 9245 1111
Fax. 023 9245 4220
Product Reference
Coltlite LWT32 Glass Louvred Ventilator
Description
Extruded aluminium outer frame with framed controllable double glazed louvres with thermal breaks to both outer and internal sections. Tested to and in compliance with EN 12101-2.
Glass and Louvre Type
32mm overall clear toughened, float or laminated glass thickness. Visible width of horizontal louvre frame 44mm when looking from the outside.
Or 32mm overall insulated metal skinned panel infill. Glazing seals comprise double weather strips with a nylon lip between, and the horizontal glass edges of the louvres are enclosed with aluminium sections which have two overlapping weather seals for excellent air-tightness.
Size Range
250mm to 1800mm wide x 200mm to 3000mm high as a module
Blade pitch
110 - 350mm (depending on overall size of complete unit) with central pivot point. Blade frame to be a maximum of 44mm between glass surfaces.
Fixing Options
- Fixing to curtain walling using 32mm thermally broken glazing frame adaptor.
- Fixing to structural opening using either through frame or strap fixings.
Controls Options
- Hand - Lever or crank handle operation.
- Motorised - Frame mounted motor (hidden behind side frame profile) to be positioned at top or bottom on either side frame, with a 230 volt AC or 24 volt DC motor and with a typical operation time to be 15-30 seconds.
Decorative Finish
- Polyester powder paint (RAL colour) with inner and outer sections being different colours.
- Natural (Silver) anodised finish AA20
Technical Data
Thermal performance 2.3 W/m2/0C
Aerodynamic coefficient (Cv): 0.56
Air permeability 5.09m3/m2/hr @ 50Pa = 0.85m3/hr m of seal
Watertightness at 150Pa.
Maximum acoustic rating to 38dB (Rw).
NOTE - suitable for vertical application only.
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