|
RDTM+RDM (new) |
RKTM+RKM (older generation) |
Lamelas |
Aerodynamic shape
145x28; 95x19
|
Flat + square 100x19 |
Cross section % |
81%; 80% |
81% |
Air tightness class acc. EN 1751 |
3C |
3C for min. 0,3 m2 and
min. 6 lamel, rest 2C
|
Air velocity in duct |
12 m/s |
12 m/s |
Max. pressure difference |
1200 Pa … 1500 Pa
1000 Pa for A > 1600
|
1200 Pa … 1500 Pa |
T min … max
(with actuators) |
-20°C … +70°C
(0°C … 50°C)
|
-20°C … +80°C
(0°C … 50°C)
|