Technical Data

1. Filter Type and Efficiency

• HEPA (High-Efficiency Particulate Air) Filter: HEPA filters can remove at least 99.97% of particles that are 0.3 microns or larger. FFUs typically use HEPA filters to provide high particle removal efficiency.
• ULPA (Ultra-Low Penetration Air) Filter: ULPA filters have an even higher efficiency, removing at least 99.999% of particles that are 0.12 microns or larger, and are used in environments where stricter air quality is required.
• Filter Efficiency Rating: FFU efficiency is generally rated based on the efficiency of the filter used. Common standards for evaluating filter efficiency include EN 1822 (European standard) or ASHRAE 52.2 (U.S. standard), which measure the particle removal capability of various filters.

2. Fan Performance

• Airflow: Airflow is an important indicator of FFU performance, usually expressed in cubic meters per hour (m³/h) or cubic feet per minute (CFM). A higher airflow means the FFU can filter more air in a given time, usually resulting in higher air purification capacity.
• Air Pressure: Air pressure determines the speed at which air passes through the filter and the efficiency of the filtration process. FFU must maintain sufficient air pressure to ensure effective air passage through the filter while maintaining high filtration efficiency.

3. Filter Lifespan

• Over time, filters accumulate particles and become clogged, leading to decreased filtration efficiency. The efficiency of an FFU will decline as the filter becomes more saturated with dust and contaminants. Regular inspection and filter replacement are key to maintaining high performance.

4. Uniformity of Airflow

• FFU designs ensure that air flows through the filter in a laminar flow manner, which guarantees even airflow across the entire surface of the filter. Uneven airflow can reduce FFU efficiency, so proper design and installation are important to maintain optimal performance.

5. FFU Equipment Maintenance

• Regular Cleaning and Maintenance: FFU fans and filters need regular maintenance to prevent dust and pollutants from clogging the unit. Poor maintenance can lead to reduced efficiency and potential system failure.
• Monitoring Systems: Many modern FFUs are equipped with sensors or smart control systems that continuously monitor air quality and operational status. If efficiency drops or air quality fails to meet standards, the system can trigger alerts or adjustments.

How to Assess FFU Efficiency:

• Particle Counter: A particle counter can directly measure the particle concentration in the air during FFU operation, allowing for the evaluation of its filtration efficiency.
• Airflow Test: A velocity meter or airflow meter can be used to test the FFU's airflow to ensure it meets the design requirements.
• Pressure Differential Test: By measuring the pressure difference between the FFU's intake and exhaust, the filter’s clogging level and the overall performance of the FFU can be assessed.

Conclusion

FFU efficiency is determined by a combination of factors including filter performance, fan capability, filter lifespan, airflow uniformity, and the maintenance of the equipment. To maintain high FFU performance, it is crucial to regularly inspect, clean, and replace filters, ensure the system's design is appropriate, and conduct performance testing on a routine basis.

Shenzhen ZhongJian South Environment Co., Ltd was founded in 2003.

Which is the only high-tech technology company in Southern China with CNAS certification

We are mainly engaged in Designing Manufacturing, Testing & Verification, Manufacturing Processes and Quality Control, Engineering & Installation and After-Sale Service of clean room and devotes to control and treatment of air PM2.5, formaldehyde, benzene, VOC and other toxic and hazardous substances.

Our main clean room products and equipment include air filter, air shower/cargo shower room, high efficiency air outlet, FFU, AMC chemical filter.

We serve chip microelectronics, data centers, chemical laboratories, new energy, medical devices, pharmaceutical manufacturing, food and beverage, cosmetics, biotechnology, precision instruments, aerospace and other industries. The business fields involve clean room products and equipment, air micro-pollution services, clean design and installation, including household fields, commercial fields, industrial fields and animal husbandry fields.

We won good reputation in this industry. Products and services are highly acknowledged and recommended by customers, we hold strong influence and competitiveness in the market as well. With the mission of being the leading enterprise in Control and Treatment of Air Micro-Pollution, We strive for the leapfrog development of products, technologies and services in Spirit of The Pioneering, Innovative, Combatant and Progressive. We would constantly bring forth new ideas in the innovation and development with protection and sustainable China's environment.