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Enclosure Integrity (Door Fan) Test Report
This report documents a door fan (enclosure integrity) test of a clean-agent protected room — measured leakage, predicted agent hold time against the NFPA 2001 requirement of 85% of design concentration for 10 minutes, and leakage points sealed.
NFPA 2001 enclosure integrity proceduresValid: At acceptance and after enclosure changes — commonly annual
Sample Door Fan Test certificate
Sample Door Fan Test with fictional data. All personal details shown are fake.
What it covers
- Enclosure dimensions and protected height
- Door fan equipment and method
- Pressurization/depressurization runs
- Equivalent leakage area
- Predicted vs required hold time
- Leakage points found and sealed
Who needs a Door Fan Test?
Enclosure integrity testers
Special hazards contractors
Data center operators
Facility managers
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Frequently asked questions about Door Fan Test
Why test enclosure integrity instead of discharging agent?
A door fan test measures the room leakage and predicts the agent hold time without discharging the (expensive) agent charge. NFPA 2001 accepts it in place of a discharge test to demonstrate the enclosure holds concentration.
When must the test be repeated?
At system acceptance and whenever the enclosure changes — new penetrations, removed walls, cable routes. Many owners re-test annually alongside the suppression system inspection.