// CODE SNIPPET
507.2.2.1 Type II Hood Exhaust Flow Rates
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The net exhaust flow rate for Type II hoods shall comply with Table 507.2.2.1. The duty level for the hood shall be the duty level of the appliance that has the highest (heaviest) duty level of all of the appliances that are installed underneath the hood according to Table 507.2.2.
TYPE OF HOOD | MINIMUM NET EXHAUST FLOW RATE PER LINEARHOOD LENGTH IN cfm/ft (L/s/m) | |
Light-duty Equipment | Medium-duty Equipment | |
Wall-mounted canopy | 200 (310) | 300 (465) |
Single-island canopy | 400 (620) | 500 (775) |
Double-island canopy (per side) | 250 (388) | 300 (465) |
Eyebrow | 250 (388) | 250 (388) |
Backshelf/pass-over | 200 (310) | 300 (465) |
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