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Product Descriptions
Class 100 Laminar Flow Hood for Local Clean Protection
A laminar flow hood is designed to create a high-cleanliness local micro-environment for critical process points. It provides ISO Class 5, also known as Class 100, clean air protection at lower cost and with higher flexibility than upgrading the entire cleanroom.
It is widely used in pharmaceutical production, medical device manufacturing, laboratories, electronics assembly, precision inspection, filling lines, packaging processes, and other operations requiring localized clean protection.
1. Core Functions
| Function | Working Principle | Customer Value |
|---|---|---|
| Local Class 100 Clean Environment | A built-in fan draws in air and filters it through HEPA or ULPA filters, then supplies stable unidirectional airflow to the work area. | Creates an ISO Class 5 clean zone for critical products, tools, or process interfaces. |
| Flexible Process Protection | Can be ceiling-suspended, stanchion-mounted, or placed on a workbench according to process layout. | Provides point-to-point protection without upgrading the whole workshop cleanliness level. |
| Product and Operator Protection | Vertical or horizontal laminar airflow removes particles from the operation area and forms a clean air barrier. | Reduces contamination caused by personnel operations and improves process reliability. |
2. Materials and Performance
| Component | Materials / Characteristics | Core Advantages |
|---|---|---|
| Cabinet | SUS 304 stainless steel or quality powder-coated carbon steel. | Corrosion-resistant, easy to clean, durable, and suitable for cleanroom operation. |
| Air Diffuser Panel | Stainless steel or anodized aluminum perforated panel with airflow equalization design. | Improves airflow uniformity and supports stable unidirectional flow. |
| Fan System | Backward-inclined centrifugal fan with EC motor or AC motor. | Provides stable air volume, low noise operation, and optional intelligent speed control. |
| Filter | H14 HEPA filter or U15 ULPA filter for high-efficiency particle removal. | Ensures clean air supply for ISO Class 5 local protection. |
| Lighting System | Sealed LED lighting panel with adjustable illumination. | Provides uniform lighting with low heat generation and long service life. |
3. Key Performance Characteristics
| Feature | Description |
|---|---|
| High Cleanliness | The work zone can be maintained at ISO Class 5, also known as Class 100, for critical operations. |
| Low Noise | Optimized fan and air passage design helps keep operation noise at a low level. |
| Low Vibration | Balanced fan operation helps protect delicate processes and sensitive products. |
| Easy Maintenance | Filter replacement and fan module servicing can be designed for convenient access. |
4. Common Specifications and Configurations
| Parameter | Common Specifications |
|---|---|
| Coverage Dimensions | Customizable. Common sizes include 600 × 600 mm, 1200 × 600 mm, 1500 × 800 mm, and other work-surface dimensions. |
| Airflow Pattern | Vertical laminar flow or horizontal laminar flow. |
| Rated Air Velocity | Typically 0.45 m/s, adjustable within the required process range. |
| Noise Level | Usually ≤58-65 dB(A), depending on size and static pressure. |
| Filtration Efficiency | H13/H14 HEPA or ULPA filtration options according to cleanliness requirements. |
| Control Method | Local speed control panel, remote control box, or integration with central management system. |
| Optional Features | Differential pressure gauge, UV germicidal lamp, adjustable air volume system, and transparent side panels. |
5. Typical Applications
Laminar flow hoods are suitable for localized clean protection in pharmaceutical production, medical device assembly, electronics manufacturing, precision inspection, laboratory operations, filling lines, packaging lines, optical assembly, and other critical process points.
6. Customization Options
The laminar flow hood can be customized according to process layout, work area size, airflow direction, cleanliness level, filtration grade, installation method, lighting requirements, control system, and integration needs.
For critical operations requiring Class 100 local protection, a customized laminar flow hood can provide stable clean airflow while reducing the cost and complexity of upgrading the entire cleanroom.
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