ZJ-01 · ZJ-02
ZJ Acoustic Plenum Box
Static pressure recovery and noise attenuation in one fabricated box.
A galvanised plenum with perforated acoustic lining that stabilises airflow before a diffuser or grille, recovers static pressure and takes the edge off fan noise. ZJ-02 adds a butterfly damper at the neck for slot diffusers.
Specification
| Casing | Galvanised steel with perforated liner, glass cloth and 50 mm glass wool |
|---|---|
| Function | Static pressure recovery, flow stabilisation, attenuation |
| Versions | ZJ-01 general purpose · ZJ-02 with neck butterfly damper |
| Sizes | W × H × L to opening layout; spigot positions custom |
Design notes
- Fewer grille noise issuesThe box removes turbulence that would otherwise show up as grille regenerated noise.
- Fabricated to layoutSpigots placed to match ceiling modules exactly.
- Service accessRemovable panels for cleaning and damper adjustment.
Options
- Multiple spigots
- Damper
- Access panel
- Insulated exterior
Applications
- Ceiling diffuser plena
- Slot diffuser plena
- Retail ceilings
