Shenzhen Meiri Purification Technology Co., Ltd.
MAKE ROOM JUST HYGIENIC
Add to Cart
BFU Bottom-Access FFU| Easy-Maintenance HEPA System for Hospital ORs & Microelectronics Labs | Compact & Vibration-Free Design
The BFU Bottom-Access FFU 620X620X350 revolutionizes cleanroom maintenance with its ground-breaking bottom-access panel design, specifically engineered for high-frequency filter replacement environments like hospital operating rooms, microelectronics assembly lines, and ISO Class 4-6 clean zones. Its 620x620x350mm compact footprint integrates seamlessly into space-constrained ceilings while delivering 360 m³/h airflow with ultra-low turbulence.
| Parameter Name | Value |
| Material | Box: Galvanized aluminum plate; Diffuser: Baked-paint cold plate |
| Fan System | MRJH® motor + metal impeller |
| Filtration | Aluminum frame HEPA filter (570×570×69), 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 |
| Vibration | ≤5μm peak |
| Flange Connection | Optional D=25mm |
| Opening Size | Color steel plate: 625×625 mm |
| size | 1175X1175X215(mm) |
| Certifications | ISO 14644-1,ISO 9001,CE |
Key Features
1. Durable Construction: Galvanized aluminum box with baked-paint diffuser ensures corrosion resistance and longevity.
2. Efficient Fan System: MRJH® motor paired with a metal impeller delivers stable airflow and ultra-low noise.
3. Precision Airflow Control: Three-speed adjustable wind speed (0.45–0.75 m/s ±3%) for flexible cleanroom requirements.
4. H13 Filtration: Non-partition HEPA filter achieves 99.99% efficiency at 0.3μm particles.
5. Bottom-Detachable Design: Simplifies maintenance and filter replacement.
6. Optional Connectivity: Supports flange connections (D=25mm) and group control modules for system integration.
7. 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 modular installation (flange compatibility) and easy maintenance.
FAQ :
1. How does the bottom-access design simplify HEPA filter maintenance in sterile environments like ORs?
The tool-free, bottom-loading mechanism allows single-person filter replacement without dismantling the unit or disrupting laminar airflow – critical for maintaining ISO Class 5 conditions during surgeries or microelectronics production.
2. What makes this FFU suitable for vibration-sensitive applications like semiconductor metrology?
Featuring a brushless DC motor with G2.5 dynamic balance and <3µm vibration levels, it eliminates interference with sensitive equipment (e.g., electron microscopes or lithography tools) while operating at <50dB.
3. Can the compact 575x575x250mm frame integrate with existing cleanroom grids?
Yes, it supports:
Drop-in installation for standard 2'x2' T-bar ceilings
Flange-less sealing to prevent particle leakage
Optional 1200x600mm adapters for ISO 14644-1 recertification