Fire Exhaust Fans, Air-to-Air Exchangers, Smoke and Fire Dampers, Cabinet-Typ...
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Aluminum alloy louver air outlet
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Anti-dew air outlet
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Civil Defense Hand-Cranked Airtig
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Fan Housing, Cabinet-type Centrif
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Filter Absorber
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Stainless Steel Air Duct
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Roof Ventilator
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Underground water tank
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Square wall-mounted axial flow fa
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Civil Defense Equipment Manufactu
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Smoke and fire dampers are fire protection components commonly installed on the pipes of mechanical smoke extraction systems, remaining in an open state during normal operation. They open to exhaust smoke during a fire, close when the temperature inside the exhaust duct reaches 280 degrees Celsius, and maintain smoke leakage and fire resistance integrity for a certain period of time, thereby acting as a smoke and fire barrier. Main materials: carbon steel, galvanized plate.Stainless steel。
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