Lorient LVH44 Air Transfer Grille – 300 x 300mm

Introducing the Lorient LVH44 High Performance Intumescent Air Transfer Grille, designed for superior airflow and exceptional durability. Manufactured from high-grade galvanised steel, this grille is perfect for external applications, with enhanced corrosion resistance at the fixing points for a long-lasting finish.

Key Benefits:

• Excellent Airflow: Designed for silent and efficient operation, accommodating normal to high air velocities.
• Versatile Fit: Easily fits into ducts, doors, or wall apertures.
• High Free Area: Up to 65% free area for optimal performance.
• Humidity Resistant: Tolerant of high humidity conditions.
• Durable Construction: Withstands harsh environmental conditions and is not prone to clogging.
• No Moving Parts: Ensures maintenance-free operation.
• Robust Build Quality.

Test Evidence:

Fire Compliance: Tested to BS 476-20 & 22:1987, BS EN 1634-1:2014, BS EN 1364-5:2017, and NEN 6069:2005+A1:2016.

Certifire Approved: CF564

Fire Resistance: Provides up to 120 minutes of fire resistance per BS 476 standards. Achieves an EI rating of 120 minutes when used with a cover grille.

Specifications:

Other sizes available (made to order)

Dimensions:

• Width: 100mm - 600mm (in 25mm increments)
• Height: 100mm - 600mm (in 25mm increments)
• Available in square and rectangular options. Larger apertures can be accommodated—please consult our Technical department.

Thickness: 44mm

Free Area: Approx. 65%

Application: Suitable for doors, walls, and ducts. Designed for external applications or areas prone to high levels of moisture.

Orientation: Can be installed in any orientation. Also available in circular diameters - LVHC44. Please contact the sales team for prices.

Positional Requirements (Certifire):

• Upper edge no higher than 3000mm from floor level.
• Lower edge no closer than 200mm to floor level.

Material & Finish:

Material: Z275 galvanised steel with metal slats featuring an intumescent core.

Finish: Silver as standard.

Installation Notes:

• Each grille is manufactured 2mm less than the nominal aperture size for an easy fit, e.g., a 198mm x 198mm grille suits a 200mm x 200mm aperture.
• Fix with screws and Lorient intumescent sealant.
• If you need further assistance in selecting the correct ATG for your installation - please get in touch with our sales team.

Optional Accessories:

Metal cover grille available. If the application is external or prone to high levels of humidity, we recommend using a Weather Louvre Please contact [email protected] for prices upon request.

Further Information:

• Installation guides and additional documentation are available upon request.
• For detailed fire test results, [View the LVH44 fire test.]