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선교챗봇(충현교회)

공개·회원 5명

Air Handling and Filtration Systems

Air quality is the foundation of any cleanroom. In 2026, filtration systems have reached near-absolute efficiency, with ULPA (Ultra-Low Penetration Air) filters becoming the standard for ISO Class 1–3 environments.



  • Fan Filter Units (FFUs): Integrated ceiling modules that house a fan and a filter. Modern FFUs are often "smart-linked" to a central Building Management System (BMS), adjusting their speed based on real-time particle sensor data.

  • HEPA vs. ULPA: While HEPA filters remove 99.97% of particles down to 0.3 microns, ULPA filters remove 99.999% of particles down to 0.12 microns.

  • Laminar Air Flow (LAF) Hoods: Workstations that provide a unidirectional stream of filtered air over a critical work surface. This prevents "dead zones" where contaminants could settle.

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