Smoke Vent Windows, Surespan manufactured and supplied a SRHGE/AOV 140° opening, thermally broken, Aluminium, Glazed (split into 2 panes), single leaf smoke ventilator to a business in London. Designed to fit structural opening 2000 x 1200mm (hinged on the 2000mm side). It will provide 2.04m² free air flow.
This allows for a glass pane size of 1700 x 1200mm (split into 2 panes) with a central transverse member (100mm wide).
Operated by 2 CONCEALED 24v DC actuators, located at either end of the cover within the structural opening and features electro-magnetic locking.
Glass Specification
The 35.5mm sealed double glazed unit comprises Pilkington 6mm toughened K polished all round outer pane, 20mm Warm Edge silver spacer Bar argon filled, Pilkington 9.5mm toughened & laminated inner pane. This sealed glazed unit has a U-Value of 1.5 W/m²K.
The remaining parts of the upstand are filled with 50mm thick of ‘Superior’ insulation which offers a U-Value of 0.20W/m²K
This offers a high level of thermal insulation against heat loss and condensation, together with excellent sound absorption properties.
The lid is supported by heavy-duty stainless steel axle pins and features an integral ‘wrap over’ edge, incorporating double unbroken EPDM seals.
Upstand designed with a 5 degree pitch to allow water run off.
This unit is CE marked and certified to EN12101-02.
Extended Skirt
Extended skirt aperture liner 709mm deep from Aluminium sheet on sides without actuators, to ensure a consistent internal frame depth, taking into account the casing for the concealed actuators. Includes polyester powder coated finish to RAL 7021 ‘Park Grey’.
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Designed with options for manual gas spring assistance, featuring aluminium continuous hinges and an automatic hold-open safety stay to lock the lid in the open position to a 85° span.
For larger, heavier lids, consideration is to be given for powered assistance by 24v DC actuators, to ensure ease and safety of use is afforded to the operative.
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