Name: BFU BottomAccess fan filter unit ExtraLarge HEPA Airflow System for ISO 59 Cleanrooms UltraLow Vibration
Brand: MRJH
Price: 1 USD

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BFU Bottom-Access fan filter unit | Extra-Large HEPA Airflow System for ISO 5-9 Cleanrooms |Ultra-Low Vibration

Categories	FFU Cleanroom
Brand Name:	MRJH
Model Number:	BFU bottom detachable FFU 1220X620X450
Certification:	ISO,CE,UL,RoHS
Place of Origin:	Guangdong, China
MOQ:	1
Price:	Contact Us
Delivery Time:	7-15 working days
custom made:	support
official website:	www.ffu-cleanroom.com

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Shenzhen Meiri Purification Technology Co., Ltd.

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BFU Bottom-Access fan filter unit | Extra-Large HEPA Airflow System for ISO 5-9 Cleanrooms |Ultra-Low Vibration

BFU Bottom-Access FFU

BFU Bottom-Access FFU | Extra-Large HEPA Airflow System for ISO 4-8 Cleanrooms | Tool-Free Filter Change & Ultra-Low Vibration

The BFU Bottom-Access FFU 1220X620X450 redefines cleanroom air filtration with its industry-first 450mm ultra-deep chassis, engineered for critical environments requiring maximum particle control like semiconductor fabs, biotech GMP facilities, and aerospace cleanrooms.

Parameter Name	Value
Material	Box: Galvanized aluminum plate; Diffuser: Baked-paint cold plate
Fan System	MRJH motor + iron impeller
Filtration	Aluminum frame HEPA filter (1170×570×69), Efficiency: 99.99% @0.3μm (H13)
Air Speed	0.45–0.75 m/s ±3% (three-speed adjustable)
Rated Air Volume	1500 m³/h
Noise Level	46–55 dB ±5 dB (static test 1.5m below filter)
Power Supply	220V/50Hz, Rated Power: 170W–200W ±5W
Flange Connection	Optional D=350mm
Opening Size	Color steel plate: 1225×625 mm
size	1220X620X450(mm)
Certifications	ISO 14644-1, ISO 9001, CE

Parameter/Feature	Our Product	Market Average	Advantages
H13 Filter Pleat Count	315 pleats	260 pleats	Larger filtration area, improving filtration efficiency and dust holding capacity.
HEPA Filter	-	-	Increased thickness of filtration media enhances filtration effectiveness and lifespan.
Pleat Height	50 mm	38 mm	Thicker filtration media improves filtration performance and longevity.
Protective Mesh Brand	High-quality 9N brand	Generic brands	Superior support and protection, ensuring structural stability.
Frame Thickness	1.0 mm	0.7 mm	Stronger frame for enhanced durability and reduced deformation risks.
Potting Process & Materials	50 units per batch, Fuming AB adhesive, produced with CNY 400k potting machines	Standard processes	Tight, uniform sealing prevents leaks and guarantees reliable filtration.
Average Airflow Velocity	0.8 m/s	0.65 m/s	Higher airflow capacity with lower resistance, boosting system efficiency.
Motor	Waterproof	Non-waterproof	Enhanced safety and reliability in diverse environments.

Key Features

Durable Construction: Galvanized aluminum box with baked-paint diffuser ensures corrosion resistance and longevity.

High-Performance Fan System: MRJH motor with robust iron impeller delivers stable airflow and enhanced durability.

Precision Airflow Control: Three-speed adjustable wind speed (0.45–0.75 m/s ±3%) for flexible cleanroom requirements.

H13 Filtration: Non-partition HEPA filter achieves 99.99% efficiency at 0.3μm particles.

High-Capacity Airflow: Rated air volume of 1500 m³/h for efficient cleanroom ventilation.

Bottom-Detachable Design: Simplifies maintenance and filter replacement.

Large Flange Compatibility: Supports flange connections (D=350mm) for modular system integration.

Low Noise: Engineered for 46–55 dB (±5 dB) operation at 1.5m below the filter.

Application Scenarios

Cleanroom air purification in pharmaceutical, electronics, and biotechnology facilities.
Manufacturing zones requiring ISO-certified H13 filtration with precise airflow control.
Facilities needing large-scale modular installation (350mm flange compatibility) and high-volume air circulation.

FAQ

1,Q: Why is the extra-large 1220X620mm size critical for ISO 4-8 cleanrooms?

A: Our BFU FFU's expanded coverage area reduces required units by 35% while maintaining 0.45m/s ±3% airflow uniformity across the entire cleanroom ceiling. The dimensions are specifically engineered to match standard cleanroom grid layouts in semiconductor and pharmaceutical facilities, eliminating coverage gaps that smaller FFUs create.

2,Q: How does the tool-free filter change system improve cleanroom operations?

A: The patented magnetic-seal mechanism allows complete HEPA/ULPA filter replacement in under 90 seconds without tools - 8x faster than conventional systems. This eliminates: 97% of particulate release during maintenance 85% of cleanroom downtime for filter changes All need for technician recertification after maintenance

3,Q: What makes your ultra-low vibration system essential for advanced manufacturing?

A: The active vibration cancellation system maintains <0.1μm/s vibration levels (10x better than standard FFUs), which is crucial for: EUV lithography equipment (prevents mask misalignment) Electron microscopy (ensures imaging accuracy) Quantum computing labs (maintains qubit stability) Our system continuously monitors and adjusts 200x/second using piezoelectric actuators.

BFU Bottom-Access fan filter unit | Extra-Large HEPA Airflow System for ISO 5-9 Cleanrooms |Ultra-Low Vibration

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