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Smoke and heat control systems - Part 6: Specification for pressure differential systems
This document applies to pressure differential system kits and components, positioned on the market and intended to operate as part of a pressure differential system.
The purpose of a pressure differential system is to *prevent protected spaces from smoke spread* by using pressure difference and airflow.
This document specifies characteristics and test methods for components and kits for pressure differential systems to produce and control the required pressure differential and airflow between protected and unprotected space.
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