grilles, air valves, diffusers: plenum boxes
Plenum box for square diffusers
Plenum boxes are designed for mounting with square diffusers as an air expansion element. Flow regulation is carried out using a single-leaf damper at the inlet to the box.
Boxes are made of galvanized steel or stainless steel. On request, they can be varnished in any color from the RAL palette. It is also possible to order boxes with acoustic and thermal insulation.
Hygienic attestation: HK / B / 1705/01/2008
Standard sizes are in the table below. On request, the manufacturer also provides other, non-standard dimensions.
| Diffuser dimension AxA [mm] | Bottom ExE [mm] | Box height H [mm] | Intake diameter ØD [mm] |
| 245×245 | 204×204 | 270 | 158 |
| 301×301 | 260×260 | 270 | 158 |
| 357×357 | 316×316 | 330 | 198 |
| 412×412 | 372×372 | 330 | 198 |
| 469×469 | 428×428 | 380 | 248 |
| 498×498 | 457×457 | 380 | 248 |
| 598×598 | 557×557 | 430 | 313 |
| 623×623 | 582×582 | 430 | 313 |
