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Bilco - Model Type SV -Automatic Smoke Vent
Automatic smoke vents aid Firefighters in bringing a fire under control by removing smoke, heat and gasses from a burning building. Type SV single leaf smoke vents are ideal for applications requiring smaller vent areas, such as elevator shafts or stair wells. Available in galvanized steel or aluminum construction and in a number of standard sizes. Polycarbonate dome covers are also available for natural daylighting. Type S-20SV, S-40SV, S-50SV, NB-20SV, NB-40SV, NB-50SV, L-20SV, L-40SV, L-50SV
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- Thermolatch® positive hold/release mechanism ensures reliable vent operation when a fire occurs. Automatically releases vent covers upon the melting of a UL-listed 165°F (74°C) fusible link. The curb-mounted fusible link housing allows the latch to be quickly and easily reset from the roof level.
- Engineered with powerful lifting mechanisms to open the covers in snow and wind conditions
- Heavy duty shock absorbers assure smooth opening and eliminate the possibility of operational, roofing or structural damage
- Fully insulated and gasketed for weather-tightnessConstructed with corrosion resistant materials to provide many years of trouble free, dependable service
- Material (select one):
- Steel: Cover and frame are 14 gauge (2 mm) galvannealed steel.
- Aluminum: Cover and frame are 11 gauge (2.3mm) aluminum
- Cover: Brakeformed, hollow-metal design with 1" (25mm) concealed fiberglass insulation, 3" (76mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195 kg/m2) live load.
- Curb: 12" (305mm) in height with integral capflashing, 1" (25 mm) fiberboard insulation, fully welded at corners, and 3-1/2" (89 mm) mounting flange with 7/16" holes (11 mm) provided for securing frame to the roof deck.
- Gasket: Extruded EPDM rubber gasket permanently adhered to the cover.
- Hinges: Heavy-duty pintle hinges with 3/8" (9 mm) type 316 stainless steel hinge pins.
- Latch: Positive hold/release mechanism controlled by a single UL-listed 165°F (74°C) fusible link. Designed to hold the cover closed against a 90 psf (438 kg/m2) uplift force. Provided with interior and exterior pull release cables to manually open vent cover.
- Operation: Compression springs enclosed in telescopic tubes open covers automatically against a 10 psf (49 kg/m2) snow/wind load when released. Automatic hold-open arms lock the cover in the full open position. Cover is supplied with a shock absorber to assure a controlled rate of opening.
- Performance Rating: UL-listed. Complies with UL 793 and UL 790 Class A (burning brand test).
- Finish:
- Steel: Alkyd base red oxide primer.
- Aluminum: Mill Finish
- Hardware:
- Steel: All hardware is zinc plated/chromate sealed.
- Aluminum: Type 316 stainless steel hinges. All other hardware is zinc plated/chromate sealed.