Fan Filter Units

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Certification:
ISO 9001:2015, ISO 14001:2015, ISO 45001:2018

LENGE Fan Filter Units (FFU) are ceiling module diffusers consisting of HEPA-filter, fan and control system. The module is designed to provide unidirectional vertical airflow of filtered, clean air over a cleanroom space by removing harmful airborne particles from recirculating air. FFU creates a positive room pressure that reduces the contamination risk from potential ceiling bypasses. FFU models will have three stickers located on the back of the plenum. For ease of troubleshooting assistance, replacement parts, and general factory assistance, it is recommended that the order number, and model line string be used as reference. This information can be found on the Factory Label.

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Technical Specifications & Parameters:

Material Overall size Upstream Rated air velocity Initial resistance(Pa) Noise Power
/ L×W×H (m³/h)(m/s) Efficiency(H14)@MPPS≥99.995% Efficiency(U15)0.1um≥99.9995% (dB) (kw)
LFFU10-117.57 1170×570×350 1000/0.45 100 160 57 0.18
LFFU15-117.87 1170×870×350 1500/0.45 100 160 60 0.25
LFFU20-117.117 1170×1170×350 2000/0.45 100 160 63 0.37

Engineering Drawing:

Working Area Control Mode Lighting Air Return Type Mounting Type Power Supply
Sterile core area Control panel,
touch screen,
remote control+conrol panel
Built-in LED light Side air,
ceiling air return
Ceiling type,
stand type
220V, 50Hz

Model No. Outer Size Inner Size Gross Weight
/ W×D×H (mm) W'×D'×H' (mm) (KG)
LUFH12-120060 1200×600×650 1200×600 100
LUFH16-100100 1000×1000×650 1000×1000 150
LUFH32-200100 2000×1000×650 2000×1000 300
LUFH35-180120 1800×1200×650 1800×1200 300
LUFH47-240120 2400×1200×650 2400×1200 350
LUFH49-200150 2000×1500×650 2000×1500 3501
LUFH65-200200 2000×2000×650 2000×2000 450

Features:

HEPA Efficiency

A01

HEPA (High-Efficiency Particulate Air) filters are rated 99.99% efficient at removing particles ≥ 0.3 microns.

Metal Face Screen

A02

Painted white, expanded metal face screen.

Low Noise Operation

A03

Low sound, low watts, low profile, and low operating costs.

Snap-In Prefilter

A04

Snap-in pre-filter allows for easy replacement and maintenance (must be removed when ducting directly to the unit).

Custom Configurations

A05

Custom sizes and configurations available.

Containment System:

A01

High Energy Efficiency

A02

High Airflow Capacity

A03

High Airflow Capacityminimizes Cleanroom Service Downtime with Room-Side-Replaceable Fan Filter Units