Fan Filter Unit LFFU-T2013

Introduction

Fan Filter Unit offers an air volume of 1000 m³/h, delivering effective laminar airflow performance by incorporating high-efficiency components and smart airflow management. It allows users to set parameters such as airflow velocity, timer settings, and filter status monitoring. The unit has low operational noise, enabling ultra-quiet performance at reduced fan speed. Our fan filter unit reduces reliance on central systems, cutting installation time, cost, and system complexity.

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 overcomes filter resistance via an internal fan, ensuring consistent, contaminant-free air delivery. It is widely used in semiconductor, electron, flat-panel display, disc-drive, manufacture and optics to prevent contamination.

Specifications

Air Volume (m³/h)	1000
Fan Model	400
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)	1175 × 575 × 230mm
Dimension (W×L×H)	1170× 570× 69mm
Weight	37 kg

Features

Integrated Test Ports

Motor Status Indicators

High Filtration Efficiency

Round Duct Interface

Multiple Size Options

FAQs

1. What sensors and control systems enhance Fan Filter Unit performance?

can include pressure sensors, airflow meters, smoke, and fire alarms to preserve environmental integrity and alert operators early to deviations. Smart units integrate with or IoT, using protocols like BACnet, Modbus, or to log performance data, schedule predictive maintenance, and handle zoning control across rooms. Remote monitoring, touchscreen dashboards, and mobile apps offer intuitive user control and compliance logging, improving efficiency and lowering downtime

2. How in Fan Filter Unit noise and vibration be minimized?

Fan Filter Unit with precision-balanced airfoil blades, acoustic insulation, and vibration-dampening mounts can operate under 50?dB(A)—ideal for sensitive environments like labs and medical facilities. Additional noise reduction can be achieved via exhaust silencers, reduced fan speeds, or selecting lower-speed DC motors; operations above class threshold (55–65?dB) may impair focus and staff comfort. Lowering fan speed not only cuts acoustic emissions, but extends motor and filter lifespan through reduced wear.

3. How should Fan Filter Unit characteristics be matched?

It supplies premium models of Fan Filter Unit .Proper configuration requires matching fan PQ curves with filter resistance curves to ensure optimal airflow and consistent pressure drop throughout the filter lifecycle. Operational points should ideally lie at the intersection of both curves—e.g. fan delivering where filter’s full-load resistance lies. Variable-speed EC fans accommodate resistance changes over time, maintaining performance more reliably than fixed-speed units

4. What emerging Fan Filter Unit applications and features are shaping the industry?

Fan Filter Unit are expanding beyond traditional cleanrooms into sectors like battery manufacturing, aerospace, food processing, operating theaters, and even public spaces—demanding features like antimicrobial filters, removal, washdown compatibility, UV sterilization, and corrosion-resistant finishes. These units are now offered in tiered models, from basic energy-efficient ventilation to fully featured, digitally monitored systems tailored to sector-specific standards and budgets.

5. What are key installation and maintenance considerations to avoid future issues?

Plan for maintenance early: ensure adjacent ceiling access hatches that enable motor or filter replacement without disturbing multiple units or requiring full cleanroom shutdowns. Install test ports above (before ceiling grid placement) to allow certification technicians to conduct smoke or particle measurements without disassembling units—essential under or ?797/800 guidelines. Coordinating these infrastructure elements during design avoids costly retrofits and regulatory non-compliance

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.