Fan Filter Unit LFFU-T2010

Introduction

Fan Filter Unit features an air volume of 500 m³/h, delivering effective laminar airflow performance. It has compact and adjustable FFUs that reduce dependence on central systems, installation costs, and time. The system provides a high-performance fan system, delivering stable air flow with direct‑drive centrifugal EC motors. Our fan filter unit offers optional test ports or indicator lights for improved maintenance and monitoring.

This fan filter unit is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Fan Filter Unit combines a fan and / filter to deliver controlled, laminar airflow. It plays a key role in semiconductor, electronics, flat-panel display, disc-drive, manufacturing, and optics to prevent contamination.

Specifications

Air Volume (m³/h)	500
Fan Model	315
Average Wind Speeding (m/s)	0.3 to 0.5
External Static Pressure	190 (10mm Aq)
Noise (dB)	55 to 63
Efficiency	99.99% at 0.3µm
Frame	High quality aluminium
Initial Pressure Loss	110 Pa at 0.45 m/s
Type	Aluminium turbofan
Vibration Coefficient (mm/s)	0.2 to 0.5
Material of Static Pressure Box	A3 cold plate spraying / galvanized steel plate / stainless steel
Power Supply	220 / 50 V/Hz
Power Consumption	100 to 300 W
Module Size (W×L×H)	615 × 615 × 230mm
Dimension (W×L×H)	570 × 570 × 69mm
Weight	21 kg

Features

High-Efficiency Centrifugal Fan

Stable Air Velocity

Filtration Efficiency

Uniform Air Supply

Adjustable Speed Control

FAQs

1. What maintenance and testing are required for Fan Filter Unit ?

It supplies fan filter unit .Routine maintenance includes cleaning or replacing prefilters every 3 to 6 months and replacing / filters per manufacturer recommendations. Motors and fans should be inspected for vibration and noise anomalies. Testing involves filter efficiency checks (often via leak testing), airflow measurements, pressure drop assessments, and noise level evaluation. Some models support room-side replaceability (), facilitating quicker repairs and minimizing cleanroom disruption.

2. Where are Fan Filter Unit commonly deployed and what customization is possible?

Fan Filter Unit are vital for semiconductor fabs, pharmaceutical cleanrooms, biotech labs, medical device manufacturing, and aseptic filling operations-anywhere environmental controls are needed. Custom options include stainless steel casings for corrosion resistance, -safe units for electronics, UV C sterilization modules, ionizers, reverse flow configurations for negative-pressure rooms, and explosion-proof variants. This versatility allows tailoring to specific process, safety, and compliance requirements.

3. What are the airflow design options in Fan Filter Unit and why choose one over another?

It supplies advanced models of Fan Filter Unit offer both positive pressure and negative pressure airflow configurations. Positive pressure units push filtered air downward to protect surroundings and maintain clean environments. Negative pressure models draw air through the cleanroom ceiling to protect operators from hazardous materials or bioaerosols. Selecting the appropriate design depends on whether the goal is product protection (positive flow) or personnel safety (negative flow), and on regulatory needs.

4. Which filter replacement design is best, top side or room side in Fan Filter Unit ?

Fan Filter Unit come in top side replaceable () or room side replaceable () designs. units require ceiling removal and often multiple technicians and shutdown operations. units allow / filter replacement from inside the cleanroom, minimizing downtime and improving safety, especially in low ceiling or environments. designs are ideal when frequent filter changes are needed or cleanroom disruption must be avoided.

5. How do accessories like UV sterilization or ionizers enhance Fan Filter Unit performance?

modern Fan Filter Unit can be enhanced with UV C modules, ionizers, lighting, removal stages, and backups. UV C helps reduce bioaerosols and microbial bioburdens, ionizers neutralize static and improve electronic assembly safety, and filters or heating modules serve specialized processes. Additional options like integrated lighting or systems ensure continuous operation and reduce contamination risks, making FFUs versatile for pharmaceutical or semiconductor applications

6. What is a Fan Filter Unit and how does it work in cleanrooms?

Fan Filter Unit () is a modular air-cleaning system that integrates a fan, pre-filter, and (or ) filter into a ceiling grid unit. It draws contaminated room air through the pre-filter, then pushes it through the high-efficiency filter, supplying downward laminar or turbulent airflow to maintain -class cleanliness. These units are essential in cleanrooms and microenvironments, enabling precise control of air supply directly above the workspace. FFUs operate either independently or as part of a larger system, often arranged in arrays to meet air change-per-hour requirements for classes.

7. What size and filter types are available?

FFUs are typically built in standard ceiling grid dimensions such as 2×2?ft, 2×3?ft, and 2×4?ft, though custom sizes are possible. These units come fitted with filters as standard—with 99.99% efficiency offer options to achieve up to 99.999% efficiency for ultra-critical applications Prefilter stages, extend the life of the primary filters. Some FFUs feature advanced designs like knife-edge filters or media to meet tight sealing and contamination control needs.

8. How do motor types affect performance and efficiency of Fan Filter Unit?

Fan Filter Units use either (permanent split capacitor) or (electronically commutated) motors. motors offer fixed or stepped speed control, providing reliable airflow at lower cost. motors, in contrast, enable variable-speed control, smoother airflow, more precise pressure maintenance, and significant energy reductions—often 30–50% savings over units. This not only reduces long-term operational costs but also mitigates noise and extends motor lifespan.

9. How many Fan Filter Units are required for class compliance?

The number of FFUs needed depends on room size, desired air changes per hour (), and cleanroom class. For example, 5 often requires hundreds of units operating together to maintain 500–750 , while lower classes need fewer. Each typically delivers 600–1,000 , so designers calculate unit count based on airflow volume and room volume. This ensures uniform air velocity across the ceiling to sustain laminar flow and positive pressure.

10. Can FFUs be automated and integrated into building systems?

Yes—advanced FFUs, especially models, support integration with building management systems () and can be controlled via protocols like Modbus or BACnet. They can feature auto-control cards and sensors to modulate fan speed and airflow in real time, based on pressure or particulate readings. This networked capability allows centralized monitoring and optimization of hundreds of units across cleanrooms, improving energy efficiency and ensuring environmental compliance.