Centrifugal Fire Ventilation Fan Cabinet

Product Models and Types
HTFC-I and II Type Forward-Inclined Cabinet Centrifugal Fans: Divided into Type A and Type B. Type A has the motor mounted outside the cabinet for fire smoke extraction, capable of continuous operation for 30 minutes at 280°C high temperature; Type B has the motor inside the cabinet for ventilation and air exchange. Type I is single-speed, Type II is dual-speed, and can also be manufactured as explosion-proof fans.
HTFC-V Type Backward-Inclined Cabinet Centrifugal Fans: Also available in Type A and Type B. Type A has the motor mounted outside the cabinet for fire smoke extraction, capable of continuous operation for over 60 minutes at 300°C high temperature; Type B has the motor inside the cabinet for ventilation and air exchange, and can be equipped with silencers and explosion-proof devices.
GDF Type Centrifugal Duct Fans: The impeller adopts a forward-curved multi-wing centrifugal impeller, dynamically and statically balanced. The square inlet and outlet can be directly connected to the duct, featuring compact size, lightweight, and low noise.
Performance Characteristics
Excellent High-Temperature Resistance: Capable of continuous operation for over 30 minutes at 280°C high temperature and 20 hours/session at 100°C without damage.
High Efficiency: Can expel large amounts of smoke and toxic gases within a specified time, rapidly reducing indoor smoke concentration.
Low Noise: Generates low noise during operation, minimizing disturbance to the surrounding environment.
High Reliability: Offers high reliability and stability, ensuring normal operation during fire incidents.
Working Principle
The impeller rotates at high speed driven by the motor. Air or smoke enters the impeller axially from the inlet and is thrown to the periphery of the impeller under centrifugal force. It flows along the volute, where its velocity decreases and pressure increases before being discharged from the outlet.
Application Scenarios
Civil Buildings: Ventilation and air exchange, as well as fire smoke extraction in places such as office buildings, hotels, inns, theaters, auditoriums, basements, villas, shopping malls, and hospitals.
Industrial Sites: Used for ventilation, exhaust, and fire smoke extraction in industrial environments like factory workshops.
Other Fields: Also applicable in ovens, underground garages, tunnels, subways, and other similar scenarios.
Maintenance
Regular Cleaning: Periodically remove accumulated dust, dirt, and other impurities inside the fan to prevent corrosion.
Component Inspection: Check if the impeller is covered with oil, deformed, or if components are corroded. Ensure the impeller is balanced and all parts are functioning properly.
Performance Testing: Conduct regular performance tests, such as aerodynamic performance and high-temperature resistance, to ensure the fan complies with relevant standards.