Lorient LVH44S Intumescent Air Transfer Grille Fire + smoke resistant
These products provide a unique solution to the problem of containing both fire + smoke in emergency conditions yet offering good air transfer through apertures in elements of building construction. Using the same intumescent configuration as the LVH44, but incorporating an electro mechanically operated smoke shutter mechanism. Can provide up to 120 minutes fire + smoke resistance.
Model and selection
Lorient LVH44S Intumescent Air Transfer Grille Fire + smoke resistant
Performance depends on the tested assembly, dimensions and installation. Review the current technical documents before specifying this product.
| Application | Suitable for walls |
|---|---|
| Min wall depth | 95mm |
| Free area | Approx 30% free area |
| Material | Z275 galvanised steel. Metal slats with an intumescent core. Electro mechanically operated smoke shutter mechanism |
| Finish | Silver as standard |
| Test evidence | Fire: BS 476-20 & 22: 1987, BS EN 1634-1: 2014 & BS EN 1364-5: 2017. Smoke: BS 476-31.1: 1983 (shutterplate) |
Technical documents
Hosted on this website. Original manufacturer and certification information is retained. Contact AODISI for sales enquiries.
PDF · Lorient Fire + Smoke Resisting Dampers / Air Transfer Grilles ↓PDF · ATG Product Selector ↓PDF · Lorient LVH44S datasheet ↓PDF · Talkback specification overview ↓PDF · LVH44S into rigid walls (Wall 18) ↓PDF · LVH44S into FR flexible walls (Wall 19) ↓PDF · Lorient Talkback wiring instructions ↓PDF · Lorient Free Area Characteristics ↓PDF · LVH44 S nomogram for wall mounted applications ↓Technical documents and related products
Use the Lorient LVH44S Intumescent Air Transfer Grille Fire + smoke resistant technical documents to check dimensions, installation and suitability. For fire-rated ventilation grilles and ventilation fire protection selection, compare the following products in the same material category; matching categories do not imply interchangeability.
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Lorient LVH44S Intumescent Air Transfer Grille Fire + smoke resistant technical data and downloads