Scheduled maintenance - Thursday, July 12 at 5:00 PM EDT
We expect this update to take about an hour. Access to this website will be unavailable during this time.
This document is part of a series of documents on industrial ventilation, and includes general troubleshooting tips.
Exhaust Hood | |
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Problems | Possible Cause(s) |
Low Capture Velocity |
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Reduced Face Velocity |
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Ducts | |
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Problems | Possible Cause(s) |
Constant Plugging |
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Air Cleaning devices | |
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Problems | Possible Cause(s) |
Frequent clogging |
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Visible dust in baghouse on the clean air side or in exhaust stack |
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Sudden increase in pressure drop |
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Dirty re-circulated air |
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Visible mould or slime |
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Fan | |
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Problems | Possible Cause(s) |
Vibration |
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Noise |
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Insufficient air flow |
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Excessive air flow |
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Fan does not operate |
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