Weather Louvres

Weather Louvres are designed to prevent wind driven water droplets from entering the HVAC system.

Mole HVAC Equipment Ltd offers single pass Weather Louvres (fixed and adjustable) designed to prevent wind driven water droplets from entering the HVAC system. These are mainly suitable for installation within ventilation systems inlets and exhausts.

Special framing systems can be provided if weather louvres are to be used as a wall panelling.

Weather louvres can be supplied with the following accessories:

• Welded wire mesh
• Earth boss

Material

Generally 2.0 or 3.0mm thick fully welded 316L St/St construction. Other materials and thicknesses are available to suit client requirements.

Available materials include:

– Stainless steel (304, 316 grade)

– Carbon steel (electro galvanised, pre-galvanised, painted or hot dipped galvanised (HDG) for thicker materials)

– Aluminum

Flanges

Flanges are formed from the parent material to provide a flange width of 50 or 75mm. The flanges are normally drilled to the pitches and diameters defined in BS EN ISO15138:2017 or to the Client specification. 1

Note: Weather louvre can be supplied with flanges on both ends if required;

Lifting

Where necessary or required lifting points are incorporated within the Louvre casing.

Sizes

Standard Weather Louvres sizes are between 100x100mm and 2000x2000mm with a depth of 100mm. Larger Weather Louvres sizes can be provided by combining multiple louvres.

Blades

1.5mm thk 316L St/Steel blades stitch welded to louvre casing;

Mesh

From 20-20 to 30x230mm (2-3mm thk wire) wire mesh screen be fitted to Weather Louvre rear face;

Nameplate

316L stainless steel nameplate containing agreed information is attached to the Louvre casing

Hazardous Area

Our Weather Louvres are also available in hazardous area execution (ATEX Zone 1 and Zone 2).