The Fire Rated Centrifugal Ventilation Cabinet​ is a premium-grade enclosure engineered for high-temperature environments requiring both fire safety and efficient air movement. This unit integrates a heavy-duty centrifugal fan within a fully insulated, fire-resistant steel housing, making it an ideal solution for commercial kitchen exhaust, high-rise building smoke control, industrial HVAC systems, and critical infrastructure ventilation.

Construction & Materials:​ The cabinet is fabricated from heavy-gauge galvanized steel with a multi-layer ceramic fiber and mineral wool insulation core. This construction provides exceptional thermal resistance, allowing continuous operation at temperatures up to 400°C (752°F) and peak exposure up to 800°C (1472°F). The exterior is finished with a corrosion-resistant powder coating suitable for humid, coastal, or chemically aggressive environments. All seams are welded and sealed with intumescent firestop compounds to prevent flame and smoke penetration.

Performance & Certification:​ Designed to meet or exceed international fire safety standards including UL 181, NFPA 90A, EN 1363-1, and ASTM E119. The cabinet has been tested for structural integrity under fire conditions, maintaining its shape and function for up to 2 hours of direct flame exposure. The integrated centrifugal fan delivers consistent airflow performance with static pressure capabilities ranging from 0.5 to 4.0 inches w.g., depending on model configuration. Sound attenuation lining reduces operational noise to below 65 dB(A) at 3 meters, making it suitable for noise-sensitive environments such as hospitals, schools, and residential buildings.

Installation & Maintenance:​ The modular design features pre-drilled mounting flanges for quick wall or ceiling attachment. Removable access panels allow easy inspection and cleaning of the fan blades and interior surfaces. All electrical components are housed in a NEMA 4X rated junction box for moisture and dust protection. The unit requires no special tools for routine maintenance and is backed by a 10-year limited warranty against material defects and workmanship.

Applications:​ Ideal for restaurant kitchen hood exhaust ducts, smoke evacuation shafts in high-rise commercial and residential towers, data center cooling air plenums, marine vessel ventilation systems, laboratory fume exhaust containment, and industrial process ventilation where fire-rated separation is required between building compartments. Custom sizes and configurations are available upon request, including options for explosion-proof motors, stainless steel construction, and remote monitoring sensors.

🔥 Superior Fire Resistance: Meets or exceeds UL 181, NFPA 90A, and EN 1363-1 standards, providing up to 1.5 to 2 hours of fire resistance to ensure building safety.

🌡️ Extreme High-Temperature Tolerance: Heavy-duty galvanized steel housing combined with multi-layer ceramic fiber and mineral wool insulation, capable of withstanding continuous temperatures of 400°C and peak temperatures up to 800°C.

🔇 Ultra-Quiet Operation: Advanced aerodynamic design and sound-absorbing insulation materials keep operational noise levels below 65 dB(A) at a 3-meter distance, ensuring a quiet working environment.

⚙️ Integrated Motor & Robust Build: Equipped with high-efficiency, energy-saving motors and a thick-walled galvanized steel structure for maximum durability and stable performance in harsh environments.

🛠️ Quick & Easy Installation: Modular design featuring pre-punched flanges and lightweight construction allows for fast, hassle-free mounting on walls or ceilings without the need for specialized tools.

🔧 Low Maintenance & Serviceability: Removable service panels provide quick access to the impeller and internal components for routine cleaning and maintenance, significantly reducing downtime and operational costs.

🛡️ Weather & Corrosion Proof: NEMA 4X rated electrical enclosures and optional marine-grade or stainless steel coatings protect against moisture, dust, and corrosion, suitable for both indoor and outdoor applications.

🏢 Versatile Applications: Perfectly suited for commercial kitchens, high-rise smoke control, data centers, laboratories, pharmaceutical facilities, and industrial HVAC systems.

🎨 Customizable Solutions: We offer tailored sizes, explosion-proof motor options, and remote monitoring sensors to meet your specific project requirements.

📦 Reliable Warranty Assurance: Backed by a comprehensive 10-year limited warranty, reflecting our confidence in product quality and long-term reliability.