Aldes AVF75 300x200 Overpressure Damper
Model: 11051705
Product Overview
The Aldes AVF75 300x200 backdraft damper is designed for wall mounting to create negative pressure within a room. It functions as an outdoor terminal for ventilation systems.
Product Benefits
- Regulates pressure inside a room.
Principles of Operation
The vanes of the AVF75 damper open and close automatically based on pressure differentials, preventing undesirable air currents and functioning as a backdraft damper.
Product Description
The AVF75 is an aluminium wall-mounted backdraft damper used to establish negative pressure in rooms. It is installed directly on the wall.
Fields of Application
- New construction
- Refurbishment projects
- Non-residential buildings
Installation
- For installation on interior walls of rooms.
- Visible screw attachment integrated into the frame.
Reference Arguments
- Frame constructed from extruded aluminium with aluminium plate vanes.
- Frame finish: anodised aluminium, natural satin finish.
- Vanes finish: rough aluminium finish.
- Visible screw attachment in the frame.
Main Characteristics
- Frame and vanes made from extruded aluminium.
- Finishes:
- Vanes: rough aluminium.
- Frame: standard anodised aluminium finish with a satin aspect.
Dimensional Data
Variants
| Model | L x H (mm) | L-20 (mm) | H+40 (mm) | External (Ext.) | Internal (Int.) |
|---|---|---|---|---|---|
| 11051705 | 300x200 | 30 | 30 | 62 | Int. |
Diagram showing dimensions:
A rectangular frame with internal vanes. Dimensions indicated include:
- Overall Width (L): 300 mm
- Overall Height (H): 200 mm
- Internal Width (L-20): 280 mm
- Internal Height (H+40): 240 mm
- External depth (Ext.): 62 mm
- Internal depth (Int.): Not specified, but implied to be the depth of the internal cavity.
- Additional measurements show 30mm offsets from the edges for the frame and vane placement.
Airflow Data
Variants
| Model | Comfort airflows for Vk < 3 m/s and DP< 25 Pa (m³/h) |
|---|---|
| 11051705 | 550 |
