Cleanroom Pressure Cascade in Pharma: How Airflow Retrofits Keep It Stable
A cleanroom pressure cascade pushes air from cleaner rooms towards less clean ones, typically in steps of 10–15 Pa. Ageing belt-driven fans drift as filters load. Direct-coupled EC fans with closed-loop controls maintain set points more precisely and cut fan energy by 40–50%. Key takeaways It’s 2 a.m. The alarm trips. A door stayed open […]