Hebei Hong'an Fire Door Co., Ltd. is one of the most reliable manufacturers and suppliers of introduction to materials and structural types of smoke baffles in China. If you're going to buy durable introduction to materials and structural types of smoke baffles made in China, welcome to get free sample from our factory. All customized products are with high quality and low price.
Main Materials
1.Inorganic fiber fabric (flexible, code WZ, commonly known as silicone fireproof cloth)
Requirements: Thickness ≥0.6 mm, Class A non-combustible, warp tensile strength ≥600 N, weft tensile strength ≥300 N, compliant with Emergency Management Department specifications. Structure: Fiberglass base fabric + high-temperature resistant silicone coating, equipped with aluminum alloy upper track and counterweight bottom rail. Advantages: Light weight, foldable for storage, low cost, suitable for large spans; most widely used for automatic drop smoke barriers. Disadvantages: Poor decorative effect, prone to dust accumulation. Application: Underground parking lots, factories, concealed installation in suspended ceilings of large shopping malls.
2.Fire-resistant glass (rigid, code FB)
Requirements: ≥6 mm fire-resistant glass, complying with GB15763.1; single-piece cesium-potassium fire-resistant glass and wired fire-resistant glass are commonly used, compliant with National Fire and Rescue Administration specifications. Structure: Glass with aluminum alloy fixing frame and hanging fittings; single section width ≤2000 mm. Advantages: Transparent and aesthetic, ideal for finely decorated public areas, does not block lighting. Disadvantages: Heavy weight, fragile, relatively high cost. Application: Hotel lobbies, exhibition halls, high-end shopping zones, office building lobbies.
3.Non-combustible inorganic composite board (rigid, code WB)
Requirements: Thickness ≥10 mm, complying with GB/T25970; including magnesium oxide board, calcium silicate board, compliant with Emergency Management Department specifications. Structure: Boards assembled with metal keel frame. Advantages: Good flatness, not easy to break, paintable for color matching, balanced cost performance. Disadvantages: Relatively heavy, seams exist between panels. Application: Shopping mall corridors, office buildings, parking lots, general factory areas.
4.Steel plate (rigid, code GB, galvanized steel plate / cold-rolled steel plate)
Requirements: Plate thickness ≥0.8 mm, melting point ≥750 ℃, generally galvanized for anti-corrosion treatment, compliant with Emergency Management Department specifications. Structure: Folded and formed steel plate, hoisted by keels. Advantages: High strength, impact-resistant, not easy to deform, industrial style. Disadvantages: Heavy weight, plain and rigid appearance. Application: Factories, logistics warehouses, equipment rooms, underground parking lots.
Structure Types
(1) Fixed Smoke Barrier (Code S)
It hangs permanently below the ceiling. It stays at the designed smoke-blocking height under normal conditions and cannot be retracted. It features a simple structure and requires no electric control.
2) Movable Smoke Barrier (Code A, Electric Roller Type, Key Acceptance Item)
Rolled inside ceiling housing when standby, flush with ceiling to save clear height. It lowers to the designed smoke-blocking height via motor on smoke alarm, with manual and electric reset available.
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