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Laminar Flow Hood

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High-Performance Laminar Flow Hoods for Cleanroom Applications

Our advanced laminar flow hoods are engineered to deliver superior particulate control and maintain an ultraclean environment for sensitive processing areas. Designed in full compliance with international GMP standards and ISO 14644-1 Class 5 (ISO 5 / Class 100) requirements, these units ensure robust contamination control by establishing a continuous, unidirectional airflow across the critical work zone.

Whether you require a top air intake configuration for compact ceiling-integrated layouts or a side air intake system for versatile maintenance access, our modular designs offer flexible integration across diverse facility footprints. Equipped with high-efficiency H14 HEPA/ULPA filters capable of achieving 99.995% filtration efficiency at 0.3 µm, these laminar flow workstations provide an essential barrier against airborne impurities, microbes, and cross-contamination.

Key Technical Advantages

  • Zero-Leakage Double-Layer Structure: Integrated negative-pressure plenum design prevents particle bypass.
  • Precision PAO Testing Port: Standardized φ50.5mm PAO aerosol injection and sampling port with quick-connect fittings.
  • Optimized Airflow Velocity: Uniform discharge speed maintained at 0.45 ± 20% m/s for stable laminar barrier protection.
  • Low-Noise Operation: High-efficiency backward-curved fan units maintain noise levels under 65 dB(A).

Target Applications & Industries

Our cleanroom laminar flow units are trusted across highly regulated industries, including:

  • Pharmaceutical Manufacturing: Aseptic filling, sterile powder transfer, and packaging lines.
  • Biotechnology & Life Sciences: Cell culture preparation and microbiological handling.
  • Semiconductor & Microelectronics: Wafer inspection and precision assembly.
  • Medical Devices & Optics: Sterile device packaging and lens coating environments.

Frequently Asked Questions (FAQ)

Top air intake models are ideal for cleanrooms with overhead HVAC ducting or ceiling plenum access. Side air intake models are designed for locations with restricted ceiling clearance, offering easier side-access filter replacement and maintenance.