What is FFU and what are its features and advantages?

1. What is FFU? 2. Structure and composition of it 3. Advantages of FFUs

 

The FFU fan filter unit can be connected and used in a modular manner (of course it can also be used alone.) The FFU is widely used in clean rooms, clean workbenches, clean production lines, assembled clean rooms and local level 100 applications.

 

Structure And Composition:

1. Casing: used to protect fans, filters, control systems, etc. to avoid entry of external impurities and cross-contamination. Commonly adopted casing materials include galvanized steel, stainless steel, and painted steel plate. Among them, galvanized plate is more common, and stainless steel plate is more expensive and can be used in clean rooms in the chemical industry.

2. Fan motor: Responsible for providing power for circulating air. DC fans are usually used, which have the characteristics of low noise, high efficiency and adjustable speed. Except, Roter can provide the EC plug fan for our fan filter units. 

3. Static pressure: that is, the static pressure of the FFU. The static pressure determines the wind energy consumption of the FFU and the resistance to wind flow transmission. The static pressure box can reduce the dynamic pressure, increase the static pressure, stabilize the air flow, allow the air flow to pass evenly, and also reduce the sound propagation.

4. Air filter: Used to filter particulate matter in the air. FFU is usually equipped with high-efficiency air filter (such as HEPA filter or ULPA filter), which has reliable filtration effect and long service life. In addition, you can choose to configure or not configure a primary filter according to the external environment.

5. Control system: The FFU has a manual speed switch, which can also be connected to the intelligent control system through the terminal block to control the operation and monitoring of the FFU.

 

 

Why your project need the FFU system? The following advantages of FFU itself make it quickly applied: 

 

1. It is flexible and easy to replace, install and move.

FFU is self-powered and self-contained and modular. The supporting filter is easy to replace, so it is not restricted by area; In the clean factory, it can be controlled by zones and replaced and moved as needed.

2. Negative pressure ventilation.

This is a unique feature of FFU. Because it can provide static pressure itself, the clean room is at a positive pressure relative to the outdoor. In this way, external particles will not leak into the clean area, making sealing very simple and safe.

3. Shorten the construction period.

Using FFU eliminates the need for the production and installation of air ducts, shortening the construction period.

4. Reduce operating costs.

Although the initial investment when choosing FFU is higher than using duct ventilation, it has outstanding features such as energy saving and maintenance-free in later operations.

5. Space saving

Compared with other systems, the FFU system occupies less floor height in the air supply static pressure box and basically does not occupy clean indoor space.