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BFU Bottom-Access Fan Filter Unit| Large-Capacity HEPA Filtration System for ISO Cleanrooms

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BFU Bottom-Access Fan Filter Unit| Large-Capacity HEPA Filtration System for ISO Cleanrooms

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Brand Name :	MRJH
Model Number :	BFU bottom detachable FFU 1220X620X350
Certification :	ISO,CE,UL,RoHS
Price :	Contact Us
Delivery Time :	7-15 working days

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BFU Bottom-Access Fan Filter Unit| Large-Capacity HEPA Filtration System for ISO Cleanrooms

BFU Bottom-Access FFU | Large-Capacity HEPA Filtration System for ISO Cleanrooms | Tool-Free Filter Replacement & Energy Efficient

The BFU Bottom-Access FFU 1220X620X350 is a high-performance, large-capacity fan filter unit designed for ISO Class 3-6 cleanrooms in industries like pharmaceutical manufacturing, biotechnology, and precision electronics. Featuring an innovative bottom-access design, this FFU allows for quick and tool-free HEPA filter replacement, significantly reducing maintenance downtime and labor costs.

Technical Parameters

Parameter Name	Value
Material	Box: Galvanized aluminum plate; Diffuser: Baked-paint cold plate
Fan System	MRJH motor + metal impeller
Filtration	Aluminum frame HEPA filter (117057069), Efficiency: 99.99% @0.3μm (H13)
Air Speed	0.45–0.75 m/s ±3% (three-speed adjustable)
Noise Level	46–55 dB ±5 dB (static test 1.5m below filter)
Power Supply	220V/50Hz, Rated Power: 150W–190W ±5W
Flange Connection	Optional D=350mm
Opening Size	Color steel plate: 1225*625 mm
Vibration	≤5μm peak
size	1220X620X350(mm)
Certifications	ISO 14644-1, ISO 9001, CE

Product Advantages Comparison

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.
Efficient Fan System: MRJH motor paired with a metal impeller delivers stable airflow and ultra-low noise.
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.
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 easy maintenance.

FAQ

1,Q: What makes the BFU Bottom-Access FFU ideal for ISO Class 3-6 cleanrooms?

A: This FFU combines large-capacity HEPA filtration (H13/H14, 99.95–99.995% @ 0.3µm) with a 1220x620mm airflow footprint, ensuring uniform ISO compliance in pharmaceutical and semiconductor facilities. Its bottom-access design allows maintenance without disrupting laminar airflow—critical for high-cleanliness zones.

2,Q: How does the tool-free filter replacement work, and what are the time savings?

A: The patented bottom-access panel eliminates ceiling dismantling. Replace filters in under 5 minutes (vs. 30+ minutes for traditional FFUs), reducing labor costs by 60%. A slide-lock mechanism ensures airtight resealing post-maintenance.

3,Q: Can this energy-efficient FFU integrate with existing cleanroom HVAC systems?

A: Yes, the EC motor’s Modbus RTU/PROFINET compatibility allows seamless BMS integration. Real-time airflow adjustments cut energy use by 30% while maintaining ISO airflow velocity standards (0.45 m/s ±10%).

BFU Bottom-Access Fan Filter Unit| Large-Capacity HEPA Filtration System for ISO Cleanrooms

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