Diffuser Grille Sizing: displacement_ventilation_floor
Supply diffuser and return grille performance data — CFM range, throw distance to 50 fpm, NC ratings, face velocity, and static pressure drop by diffuser type and neck size
| diffuser type | neck size in | cfm max (cfm) | cfm min (cfm) | face velocity fpm (fpm) | notes | static pressure drop inwg (inWG) |
|---|---|---|---|---|---|---|
| displacement_ventilation_floor | 10x5_floor | 250 | 100 | 60 | Floor displacement diffuser 10x5-in face; very low velocity 60-80 fpm floor level; stratified air distribution for occupied zone comfort; not throw-based design | 0.02 |
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