EF series ventilation grilles
Mounting frames for simple and precise installation of ventilation grilles, can be secured with mortar in the wall opening with fastening loops
Suitable for ventilation grilles of the AT, VAT, AH, SL, TR, TRS series
Corner sections made of galvanized steel
Molded mounting loops
The filter material is held in place with wire
Application
For installing ventilation grilles in walls and window sills
Simplified installation
The mounting frame is designed for simple, quick and precise installation of ventilation grilles
For protecting components in systems with highly dust-contaminated exhaust air
Pre-filter complies with EN 779, class G4
For ventilation grilles without additional components and for ventilation grilles with a slide-type flow regulator (additional accessories)
Design elements and characteristics
Mounting frame consisting of corner sections
Groove for fastening the front panel with a spring clip
Support wire
Filter material FMP-G4-C11
Materials and coating
Mounting frames made of molded sheet steel, with mounting loops
The filter material is made of chemical fiber
Dip-coated mounting frame, RAL 9005, black
Standards and regulations
Coarse and fine filters are tested according to EN 779 (Dust filters for general ventilation): European standard for testing procedures and test equipment to determine filter efficiency
Maintenance
Maintenance-free, materials and design are wear-resistant
Technical control and cleaning comply with VDI 6022 standards
Mounting frame and housing for installing filter material for ventilation grilles
| Ventilation Grille Series | Mounting frame |
| EF | |
| Ventilation Grille Series | Ventilation grille frame width |
| мм | |
Installation in walls, window sills or rectangular ducts
| |
AT | 27 |
VAT | 27 |
AH | 28 |
SL | 28 |
TR | 27 |
TRS | 27 |