Automatic Acoustical Smoke Vent
Type ACDSV
Standard Features and Benefits
Guide Specifications
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Material: Cover is 14 gauge (2 mm) galvannealed steel.
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Covers: Brakeformed, hollow-metal design with 4" (100 mm) mineral wool insulation, 5-3/4" (146 mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195 kg/m2) live load.
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Curb: 12" (305mm) in height with integral capflashing, 4" (100 mm) fiberboard insulation, fully welded at corners, and 6-7/8" (175mm) mounting flange with 7/16" holes (11mm) provided for securing frame to the roof deck.
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Gasket: Extruded PVC gaskets permanently adhered to the underside of the cover and the top of the curb.
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Hinges: Heavy-duty pintle hinges with 3/8" (9 mm) type 316 stainless steel hinge pins.
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Latch: Positive hold/release mechanism controlled by a single UL-listed 165°F (74°C) fusible link with a separate latching point for each cover. Designed to hold the covers closed against a 90 psf (438kg/m2) wind uplift force. Provided with interior and exterior pull release cables to manually open vent covers.
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Operation: When acoustical smoke vent is released, high performance gas springs open covers against a 10 psf (49kg/m2) snow/wind load and lock covers in the open position. Gas springs have integral dampers to assure a controlled rate of cover opening and have a cyclic durability of 50,000 cycles.
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Performance Ratings: STC-50, OITC 46, and ISO 140-18 (rain fall - 37.5 db) sound ratings. UL-listed.
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Comply with UL 793 and UL 790 Class A (burning brand test).
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Finish: Alkyd base red oxide primer.
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Hardware: Corrosion-resistant gas springs and hot dip galvanized steel stop cables. All other hardware is zinc plated/chromate sealed.
U.S. Patents 5,927,012 5,960,596 6,347,818