Negative pressure fan is a commonly used ventilation equipment, used in various industries, do you know the similar positive pressure fan? Today we take a look at what is negative pressure fan and positive pressure fan and negative pressure fan What are the advantages.

　　What is negative pressure fan and positive pressure fan?

The positive pressure fan uses high pressure to drive the change and flow of the airflow, and has a thrust. It is mostly used in places such as clean rooms, clean rooms, and pump valves. Its use can effectively prevent outside dust from entering the interior. To maintain a high degree of cleanliness.

The negative pressure fan is completely the opposite. It creates a low-pressure area and promotes the flow of air to the low-pressure area. It is like an attraction. It is mostly used for ventilation in factories, farms, etc. Cooling down.