The Wall Opensky is an attractive economical low profile wall mounted louvred ventilator.It has been specifically designed for both smoke and heat exhaust and natural ventilation applications and can m=be manually or automatically operated.
Wall Opensky is suitable for installation into any wall or glazed construction. It can be fixed directly into the wall fabric or supplied with wither of the following optional extras.
- Glazing Adapters – To seamlessly fit into glazing systems.
- Rear Fixing Flange – For mounting external onto the wall.
- Front Fixing Flange – For mounting the vent flush with the wall.
Closure flashings can also be provided allowing for a neat finish to wall openings.
Louvre Blade U-Values
The wall Opensky can be supplied with insulated louvre blades to assist in ensuring the building is adequately insulated.
The comparative values for the available louvre blades options are as follows:
|Single Skin Aluminium (1.5mm)||6|
|Insulated Blades (25mm PIR)||0.66|
Translucent polycarbonate louvre blades provide excellent daylighting using a durable UV stabilised material. When closed it can provide an average diffused light transmission in excess of 80%, enabling saving on sarifical lighting. Pile weather seals are also fitted to the louvre blade edges and sides to minimise heat loss.
The following control options are tested to the below standards.
|Control Options||Tested To|
|24v Electric Drive Open / Drive Close||EN-12101|
|Electric 230v Drive Open / Drive Close||BS-7346|
|Electric 24v and 230v Spring Return||BS-7346|
|Pneumatic Air to Open||EN-12101|
|Pneumatic Air to Close||EN-12101|
The Wall Opensky has been tested to BS EN 12101 – Part 2: 2003: Specification for natural and heat exhaust ventilators. When closed the ventilator is weatherproof and is tested to BS 5368 Parts 1 and 2.
|Temp (Low)||T (-5°C)|