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| Door Fan Test(Blower Door) for FM200/IG541 fire protection enclosureIntroduction: |
Most clean agent fire suppression gases are generally slightly heavier than air, and they are injected into the room so that complete mixing with room air occurs within seconds. Then the diluted gas drains out of the room through cracks - just like water draining out of a swimming pool. Fresh air comes in at the top of the room, and the protective diluted gas level starts falling. Door Fan Test (Blower Door) can tell you how long of the “Retention Time” of the protective enclosures, Which is requested by NFPA2001 and GB 50370. And where the leakage is coming from.
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