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FM200/IG541 Q&A


For a total flooding fire system, the key of the system can work is that the clean agent(e.g. FM200/IG541) can maintain the designed concentration level in a specified Hold time/Retention time after discharging, Door Fan Test (Blower Door Test) in compliance with NFPA2001 can tell you the Hold time/Retention time of the tested enclosure.

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