Williaam Cox Brakel Optima
The Williaam Cox Brakel Optima is the most energy-efficient louvred ventilator for both smoke and heat exhaustion and ventilation. The Optima offers an optimum contribution to the fire safety, comfort and energy management of a property and is perfect for use in sustainable buildings. In contrast to other louvred ventilators, the Optima is completely thermally separated. Not only the louvres, but also the base gutter construction is thermally insulated, thereby combining the advantages of a louvred ventilator and the unique performance of a double flap ventilator. The Optima delivers a remarkable performance, it is extremely airtight and with a pressure of 600 Pa, the system more than meets the requirements for Class 4 in accordance under EN 12207. The air leakage at 50 Pa is 0.21m3/hour/m2 is unparalleled. The Optima also performs well in other areas; the louvred ventilator achieves high insulation values from 1.0 W/(m2·K), depending on the type and version. Water tightness testing up to 1050 Pa in accordance with EN 12208 – comparable to hurricane-strength speeds of 144 km/hour – is a clear indication that this louvred ventilator has the best air and water tightness on the market.
Williaam Cox Brakel Eura
The Williaam Cox Brakel Eura is the most cost competitive installation solution for both smoke and day-to-day ventilation. The Eura extracts large volumes of smoke, utilizing the buoyancy of hot gases in the rising plume. Natural day-to-day ventilation is driven by pressure differences to move fresh air through the building. Pressure differences are caused by wind or the buoyancy effect created by temperature differences commonly known as the “stack effect”.
The Eura is a very versatile ventilator that can be installed at any angle from horizontal through to 90° vertical, making the product widely used in a variety of building types, typically large commercial application, industrial and commercial buildings.
The Eura is available with various louvre types including glass, insulated aluminium, clear and opaque polycarbonate. It can be operated either electrically or pneumatically with base options for fixing onto roof sheeting, upstand or vertically into brickwork, glazing or wall cladding.
Williaam Cox Eura Excellent
The Williaam Cox Brakel Eura Excellent, with its strongly improved insulation value, is based on the Williaam Cox Brakel Eura louvred ventilator which has already been applied for decades. This ongoing development is done in the context of enhancing the thermal insulation values. Using new materials and techniques helps achieve a U-value improvement of up to 56%. The Eura Excellent is perfectly capable of extracting large amounts of air and heat in a short time and is suitable for both air supply (facade) and air extraction (facade and roof). The impact resistant, EN 12101-2 certified Eura Excellent can be supplied in two base versions with various high-insulating louvre types.
Williaam Cox Brakel Estra
The Williaam Cox Brakel Estra is a louvre system which is fitted vertically and is suitable for both daily ventilation and smoke and heat extraction. The Estra’s aesthetic and sleek design means that it really comes into its own in projects featuring substantial amounts of glass. The Estra has thermally separated profile sections and is available with either single or double glazing. The choice of louvres available includes point-fixed, circumferentially framed and (semi-)structural glazing.
Williaam Cox Eura – R
The Williaam Cox Brakel Eura-R is the ideal solution when there is a requirement for permanent ventilation during all-weather types within industrial buildings and carparks. This is a variation of the standard Williaam Cox Brakel Eura with the addition of side dampers. The Eura-R extracts large volumes of smoke, utilizing the buoyancy of hot gases in the rising plume.
The Eura-R is available with a variety of louvre types including glass, insulated aluminium, clear and opaque polycarbonate, either electrically or pneumatically operated and different base options for fixing onto roof sheeting or upstand.
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