Central Vacuum Cleaning

In GMP audits, scrutiny often lands on Cleaning Procedures. Using portable vacuum cleaners in cleanrooms is a red flag. Why? Because the exhaust turbulence from a portable unit disrupts laminar airflow and can aerosolize settled dust, spreading contamination rather than removing it.

A Central Vacuum Cleaning (CVC) System is not a luxury; it is a critical Containment Strategy, especially for OSD (Oral Solid Dosage) or High Potent facilities.

How Humiley Group INC Engineers and Validates the Vacuum Network

At Humiley, we engineer the vacuum system with the same precision as the HVAC. It’s not just about suction; it’s about fluid dynamics and safety:

1. Transport Velocity Optimization The most common failure is dust settling inside piping, leading to blockages and microbial growth.

• Our Method: Humiley engineers size the piping to maintain a specific Transport Velocity (typically > 20 m/s). This ensures that heavy powder particles remain suspended in the airstream until they reach the central collection hopper, preventing in-pipe accumulation.

2. Exhaust & Filtration Logic Where does the dirty air go?

• The Humiley Standard: We strictly design systems where exhaust air is HEPA-filtered (H13/H14) and discharged outside the facility (or safely recirculated with redundant monitoring). For potent compounds, we integrate Bag-in/Bag-out (BIBO) housing to ensure safe filter replacement without exposing maintenance staff to toxic dust.

3. The "Furthest Point" Challenge A vacuum system is only as good as its weakest link.

• Validation: During SAT (Site Acceptance Test), we don't just test the pump. We conduct suction tests at the hydraulically furthest user point. We validate that the required negative pressure (e.g., -15 kPa) and airflow (CFM) are maintained even when the system is operating at maximum simultaneous usage factor.

At Humiley Group INC, we guarantee a one-way ticket for contaminants: Out of your cleanroom and safely contained.