LVHC44 Air Transfer Grille

Verified by manufacturer 2 months ago

A high performance, standard vision intumescent air transfer grille for walls, doors and ventilation ducts. Can provide 120 minutes fire resistance.

Features and benefits:

• Exhibits excellent airflow characteristics and gives silent efficient operation with normal to high air velocities.
• Fits directly into ducts, doors or wall apertures.
• Good free area up to 60%.
• Tolerant of high humidity.
• Withstands harsh environments.
• Not prone to clogging.
• No moving parts.
• Robust construction.
• Available in a multitude of sizes.
• No maintenance.
• Use with metal cover grille (optional).
• Other non-standard sizes may be available - consult the manufacturer for details.
• Each air transfer grille is manufactured 2 mm less than a nominal aperture size to provide clearance when installed in a duct or other aperture of the same nominal dimensions. e.g. a 198 mm diameter nominal size air transfer grille will suit a 200 mm diameter aperture. Screwed and bedded in Lorient intumescent sealant.
• LVHC44 air transfer grilles can be installed in any orientation.
• The upper edge of the grille shall be no higher than 3000 mm from floor level. The lower edge of the grille shall be no closer than 200 mm to floor level.