Construction:
Instalation:
The butterfly backdraft damper type RSKT is used to preventing the reverse of air flow in circular duct systems. Backdraft damper has a split flap closure with a spring gear and allow the airflow to pass only in one direction. The aluminium closure flaps opens when overpressure occurs and closes by means of spring when the pressure drops. To reduce the operating noise backdraft dumper is equiped wih With inner foam seal for better tightness and noise.
Type |
ØD [mm] |
L [mm] |
L1 [mm] |
m [kg] |
RSKT100 | 99 | 88 | 6 | 0,15 |
RSKT125 | 124 | 88 | 19 | 0,19 |
RSKT150 | 149 | 88 | 31 | 0,23 |
RSKT160 | 159 | 88 | 36 | 0,25 |
RSKT200 | 199 | 88 | 56 | 0,31 |
RSKT250 | 249 | 128 | 61 | 0,53 |
RSKT315 | 314 | 128 | 94 | 0,69 |