DYF series low-noise fire smoke exhaust fanDetailed product description：

The DYF series fire smoke exhaust fan is a new generation of low-noise fire smoke exhaust fan. This machine has high efficiency and energy saving, smooth operation, low noise, high temperature resistance, and high strength. It can run continuously for more than 30 minutes at ≥ 280 ℃ and for a long time at ≤ 150 ℃; At the same time, it also has the characteristics of small size, light weight, simple structure, easy installation, and can be lifted, which is suitable for fire smoke exhaust and ventilation in high-rise buildings and public entertainment venues.

There are two installation methods for this machine, horizontal and vertical. Horizontal is represented by the letter... Z, while vertical is represented by the letter "L"
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There are three types of fans in this series:
DYF-1 type is a single speed ordinary type;
The DYF-2 type is a single speed low-noise type, which uses a low-speed motor instead of a high-speed motor, resulting in low noise;
DYF-3 type is a dual speed low-noise type. It uses a dual speed motor.