Exhaust grille with perforated panel, with double frame (15 mm internal) and hinge opening and push-pull system for easy filter installation and replacement.
Aluminium perimeter frame.
Galvanised steel panel.
Finish: painted white RAL9016.
Installation: resting on false ceiling structure.
Filter: COARSE class (G2) thickness 10 mm.
Opening/closing: with push-pull system.
The perforated mesh is made according to the following specifications:
-60° alternating round holes;
-empty/full ratio 46%;
-diameter of holes 5mm;
-distance between centres 7mm.
Grille for air exhaust in rooms where pre-filtration is recommended.
Initial pressure drop lower than 40Pa with 1.5 m/s speed on the filter.
Painting in different RAL colours.
An air velocity on the filter of 1.5 m/s is recommended to contain pressure drops and maintain filtration efficiency;
the flow rate data in the table refers to the grille with the filter.
All measurements are expressed in mm
| model | external frame dimensions | effective cross-section of the filter | face velocity on the filter | air flow rate |
| mm | m2 | m/s | m3/h | |
| EGFR-PUSH | 595x595 | 0,238 | 1,5 | 1285 |
| 2 | 1713 |
|
V m/s |
dB(A) |
| 1,5 | <20 |
| 2 | 20/25 |
|
V m/s |
Pa |
| 1,5 | 25/30 |
| 2 | 45/50 |
|
model L1 x H1 |
lateral connection | E | F | ||
| P2 | no. connections |
Ø d | |||
| 560x560 | 300 | 1 | 250 | 80 | 12 |
| model | external frame dimensions | euro |
| mm | ||
| EGFR-PUSH | 595x595 | 148,02 |