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LR Fire Smoke Damper

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Product Description

The Holyoake Series LR fire / combination fire and smoke damper is designed to impede the spread of fire and smoke between building compartments, whilst maintaining the barrier’s integrity. The low leakage damper blade assembly with blade tip sealing ring, forms a solid barrier against flame, smoke and hot gases.

Refer to page 330 of the product manual for further information.

Product Specification

Complying with AS/NZS 1682 – 2015, and tested in accordance with AS 1530.4 – 2014 and AS 1530.7 – 2007 with the damper holding integrity in excess of 4 hours and leakage below 50l/s, the LR damper is certified for a 4 hour rating in a masonry concrete wall / floor and a 2 hour rating in a plasterboard wall / timber framed floor. Available in five different diameters; 100, 125, 150, 200, and 250. Note: size 100 utilises LR 125 damper with 100 to 125 adaptor collars.

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