FFU: Modular design + high-efficiency filtration, creating a new choice for ultra-clean spaces.
I. Definition and Working Principle
Definition: An FFU (Fan-Full Unit) is an air purification device with a built-in fan and filter. It draws in air through the top, filters it through a pre-filter and a high-efficiency particulate air (HEPA/ULPA) filter, and then delivers clean air at a uniform airflow rate.
Working Principle: The FFU's built-in fan generates suction, drawing air in from the top. After the pre-filter removes large dust particles, the HEPA filter further removes fine particles such as bacteria and viruses, ultimately outputting clean air.
II. Structure and Features
Structure:
An FFU mainly consists of a housing, fan, pre-filter, and HEPA filter. The housing is typically made of corrosion-resistant materials such as stainless steel or galvanized steel, resulting in a lightweight yet robust structure. The fan uses a high-efficiency centrifugal fan, characterized by low noise, long lifespan, and maintenance-free operation.
Features:
Modular Design: FFUs can be modularly connected for convenient and flexible use, suitable for cleanrooms of various structures and classifications.
High-efficiency filtration: Equipped with both pre-filter and high-efficiency filter stages, achieving a filtration efficiency of over 99.99% for 0.3μm particles.
Low noise: Utilizes a low-noise centrifugal fan, resulting in low operating noise and minimal interference with the cleanroom environment.
Energy saving and environmental protection: Some FFUs incorporate energy-saving designs, such as variable frequency speed control and intelligent control, effectively reducing energy consumption and operating costs.
Easy installation and maintenance: FFU installation and maintenance are relatively simple, saving significant time and labor costs.
III. Application Areas
FFUs are widely used in applications requiring high cleanliness, such as:
Semiconductor manufacturing: In semiconductor manufacturing processes, extremely high air cleanliness is required. FFUs provide high-quality clean air, ensuring product quality.
Biomedicine: In the biomedical field, such as laboratories and operating rooms, FFUs prevent microbial contamination, protecting personnel health and safety.
Electronics industry: During the production of electronic products, FFUs prevent damage to products from dust and other fine particles, improving product yield.
Other applications: FFUs can also be used in food processing, precision instrument manufacturing, and other fields to provide a clean production environment.