SVA - ALUMINUM SMOKE VENTS

Cover & Liner: 11 gauge aluminum cover is stiffened to withstand a live load of 40 psf with a max deflection of 1/150 of the span. Cover withstands a max. wind uplift of 30psf. Max degree of opening is 78 degrees.

Curb: 11 gauge aluminum with 12" self-flashing curb.
Optional: Double wall curb at exterior. Curb height is 12" on all single door applications and 13" on all double door applications.

Hinge: Heavy-duty aluminum with non-removable pins.

Latch: Positive hold release mechanism designed to hold the covers closed against 30 lbs./sq. ft. uplift force. Released by manual pull cables or by fusible melt-out link. Optional: Electronic/thermal resettable link.
Single Door: Automatic latching mechanism standard.
Double Door: UL listed 165 degree fusible link with inside and outside manual releases.

Springs: Heavy-duty steel compression springs designed to open vent covers automatically against 10 psf wind or snow load when released.

Hardware: Heavy-duty shock absorbers, continuous extruded thermal EPDM gasketing, inside and outside manual release cables..

Insulation: 1" thick rigid fiberboard at curb perimeter and 1" polystyrene in cover..

Mounting Flange: 3 1/2"" on single wall curb; 2 1/2" on double wall curb.

UL Listing: The fusible melt-out link is UL listed. See size chart for UL/FM listed models.

Finish: Mill.