Fan Filter Unit LFFU-T2011

Introduction

Fan Filter Unit features an efficiency of 99.99% at 0.3µm for ensuring high-performance air filtration in demanding cleanrooms and critical environments. The unit has an adjustable speed control mode, providing precise airflow settings. It allows users to set parameters such as airflow velocity, timer settings, and filter status monitoring. Our fan filter unit delivers stable air flow with direct‑drive centrifugal EC motors for a scalable cleanroom environment.

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

We are the manufacturer of Fan Filter Unit, and our fan filter unit has an air volume of 600 m³/h, delivering effective laminar airflow performance by incorporating high-efficiency components and smart airflow management.

Specifications

Air Volume (m³/h)	600
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)	615 × 615 × 230mm
Dimension (W×L×H)	610 × 610 × 69mm
Weight	23.5 kg

Features

Low Operational Noise

Filtration System

Digital Speed Regulation

Minimal Vibration Levels

Low Power Consumption

FAQs

1. What motor types and control systems are available for Fan Filter Unit ?

It Fan Filter Unit typically use (fixed or stepped), (variable speed), or no motor (ducted connection). motors are cost effective but less flexible, while motors enable precise airflow control, energy savings, and integration with digital control systems (e.g., Modbus, BACnet). Motorless FFUs rely on central air handling, reducing weight and noise but lacking independent control.

2. What materials and finishes are best for Fan Filter Unit construction?

Fan Filter Unit housings are usually stainless steel or powder coated steel; stainless wards off corrosion, resists chemicals, and enables easy cleaning—ideal for biotech and semiconductor use coated units offer a cost effective alternative with good durability and aesthetics. Material choice depends on cleanroom classification, chemical exposure, and budget considerations, with stainless recommended for ?3–4 environments

3. What safety and testing protocols ensure Fan Filter Unit reliability?

It supplies premium models of Fan Filter Unit .Manufacturers perform a battery of tests before shipment, including visual inspection, motor functionality, power draw, noise levels, and filter efficiently with leak checks. Many offer built in challenge ports for in situ leak testing to comply with , UL 900, and ?797/800 standard. Regular semi annual re testing ensures continued compliance and cleanroom integrity—crucial for pharmaceutical and medical device environments

4. How often should be Fan Filter Unit replaced and why?

It supplies advanced models of Fan Filter Unit .Pre filters should be inspected every 2–6 months, especially in gowning areas where contamination rates are higher; replacements at six month intervals or sooner preserve airflow efficiency, / filters should be replaced when their pressure drop doubles from baseline, as clogged filters force fans to work harder, increasing energy costs and reducing system performance. While medical or pharmaceutical deep clean environments may let filters last five or more years, proactive replacements minimize long term maintenance and energy overheads

5. What are best practices for Fan Filter Unit installation and airflow layout?

It supplies advanced models of Fan Filter Unit .Simulations like help strategically locate FFUs to reduce dead zones and ensure uniform vertical airflow in critical zones. Pre installation planning should assess ceiling structure, airlock configurations, and supports; final placement must align with airflow design and contamination control objectives. Sealing units properly, using appropriate gaskets and sealants, and verifying level and alignment during mounting minimize air leaks and guarantee cleanroom 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.