BTG 940 Back Draft Damper
Art. no.: 5096
Back draft damper designed for the TG 300-800, TG 400-500, TG 400-800 and TG roof curbs, which can be fitted as long as the roof curb is installed vertically. The frame and damper vanes are manufactured from galvanised sheet steel. The frame is screwed or riveted on to the roof curb’s perforated inner casing.
Technical parameters
| Dimensions and weights | ||
|---|---|---|
| Weight | 3.4 | kg |
| A | B | C | ||||
|
BTG 300 |
178 |
178 |
92 |
|||
|
BTG 400 |
281 |
281 |
130 |
|||
|
BTG 540 |
383 |
383 |
200 |
|||
|
BTG 640 |
483 |
483 |
250 |
|||
|
BTG 740 |
582 |
582 |
300 |
|||
|
BTG 940 |
780 |
780 |
400 |