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A DC Fan Filter Unit (FFU) is an air filtration device designed for cleanroom and controlled environment applications. It combines a DC motor fan and high-efficiency filters (HEPA or ULPA) in a compact housing to maintain air cleanliness by removing particles from the air.
Fan:100 - 1000 CFM
Noise Level: Low (typically < 40 dB)
Filter Type: HEPA or ULPA
Filter Efficiency: ≥ 99.97% for 0.3 micron particles
Dimensions: Standard sizes (e.g., 24"x24", 12"x24")
Housing Material: Powder-coated steel or aluminum
Controls Type: Integrated digital control panel
Features: Adjustable speed settings, filter monitoring alerts
Power Supply: 24V DC input
Min. Order:1 Set
At Deiiang, we specialize in designing and manufacturing high-quality DC Fan Filter Units (FFUs) that meet the rigorous demands of cleanroom and controlled environment applications. Our FFUs are equipped with energy-efficient DC brushless motors, ensuring optimal performance while minimizing energy consumption. With advanced filtration technology, including HEPA and ULPA filters, our products effectively remove airborne particles, providing a clean and safe environment for various industries, including pharmaceuticals, electronics, and biotechnology.
As a trusted manufacturer, Deiiang is committed to delivering solutions that prioritize reliability, efficiency, and innovation. Our state-of-the-art production facilities and stringent quality control processes ensure that each DC Fan FFU meets international standards. We work closely with our clients to customize solutions that meet their specific needs, providing exceptional customer service and support throughout the entire process. Choose Deiiang for your DC Fan FFU needs, and experience the difference in quality and performance.
A DC Fan Filter Unit (FFU) is an air filtration system used in clean rooms and other controlled environments. An FFU consists of a DC motor fan and filters (e.g. HEPA or ULPA filters) to capture airborne particles and contaminants. An FFU is typically suspended from a ceiling grid and provides a continuous supply of clean air to the environment.
What makes a DC fan motor unique is that it is a more energy efficient motor compared to an AC motor. In addition, a DC motor provides variable speed control, which allows the FFU to manage the flow of air through the filtration system in response to the conditions within the environment.
A DC Fan FFU draws in ambient air through its filters in a manner that creates a pressure differential. With negative pressure created by the DC motor, air is forced to flow through the FFU. Pre-filters capture larger particles and help to protect the main HEPA/ULPA filters.
After filtration, the air is evenly distributed throughout the cleanroom. The FFU is designed to create a laminar flow of clean air. This flow helps to eliminate contamination and helps to maintain a protected environment for sensitive processes.
Airflow rates are adjustable to suit various cleanroom conditions and to help achieve optimum performance of the FFU.
Energy Efficiency: DC fans use less power than AC motors, leading to lower operational costs.
Variable Speed Control: Allows for airflow adjustment to match the needs of your cleanroom.
Low Noise Levels: Quieter operation makes it suitable for noise-sensitive environments.
Compact Design: Easily fits into existing cleanroom structures.
High Filtration Efficiency: Removes 99.97% of particles 0.3 microns and larger.
Long Filter Life: Features a pre-filter to improve the life of the main filter.
Easy Installation: Designed for easy mounting to cleanrooms of all types.
Customizable Options: Available in multiple sizes to fit a variety of uses.
Durability: High quality materials used for construction.
Compliance: Meets cleanroom standards.
The lifespan of a DC Fan Filter Unit (FFU) depends on how it is used and the conditions it is exposed to. The main HEPA or ULPA filters can last 2-5 years with the proper use, and pre-filters can last 3-6 months, but the unit can operate at peak performance and clean air can be maintained with the regular replacement of filters.
Beyond filters, the FFU unit itself can last for more than 10 years with routine inspections and use within prescribed limits. This makes DC Fan FFUs a good choice for cleanroom applications.
Maintaining efficiency and longevity of your DC Fan Filter Unit (FFU) requires regular maintenance. Pre-filters capture large particles and help keep the main filters clean. To keep pre-filters working effectively, they need to be inspected monthly, and replaced every 3-6 months on average.
Main HEPA or ULPA filters need to be monitored for signs of saturation and reduced airflow. For the given filter media and in the given environment, these filters can last 2-5 years. Keeping a filter change log can help determine when a filter saturates and a replacement is needed.
The FFU can be dusty and in need of a pre-filter replacement. Cleaning the exterior of the FFU and ensuring the fan is dust and debris free helps maintain good airflow through the unit and prevents the unit from overheating.
Class 1: Yes, DC Fan FFUs are able to be used in Class 1 cleanrooms.
Class 10: DC Fan FFUs can be used in Class 10 cleanrooms.
Class 100: DC Fan FFUs can be used in Class 100 cleanrooms.
Class 1000 and Above: DC Fan FFUs can be used in Class 1000 and above cleanrooms.
