The DTZR series bidirectional reversible subway axial flow fan is not only suitable for ventilation coefficients in urban subways and rail transit projects, as well as fire and smoke exhaust systems in emergency situations, but also for ventilation systems in tunnels, power plants, airports and other places. The product utilizes advanced three-dimensional flow theory of turbomachinery and adopts integrated design and development of mechanical, electrical, and control systems. It has excellent aerodynamic performance, high efficiency, low vibration, low noise, consistent forward and reverse airflow, and high temperature resistance. This product has passed the inspection of the National Fire Testing Center and is domestically leading in terms of technical level and performance indicators.

Machine number: NO4-NO22;
Flow range: Q=10-135m ³/s
Full pressure range: Pst=40-1800pa
Level: 6, 8;
Rated voltage: 380v, 660v, 1140v;
Rated frequency: 50Hz (can meet the frequency conversion requirements of 5-60Hz);
Protection level: IP54
Insulation level: F level;
Environmental temperature: -25 ℃~+50 ℃ (in case of fire, it can meet the requirement of continuous safe operation at 280 ℃ for more than 0.5 hours);
Installation method: Horizontal installation in underground stations, tunnels, power plants, airports, and other places.