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check valve
Automatic non-return damper made of galvanized sheet steel
Automatic spring-operated damper for duct installation with motorized ventilation (centrifugal fan), if several rooms are connected to the ventilation duct, 2-part damper made of aluminium
- Duct material: Galvanized sheet steel
- Material of 2-part flap: Aluminum
- Closing by return springs
- Color: Silver
| EAN 062617 | EAN 062624 | EAN 062631 | |
| Dimensions | Ø 100, 88 mm long | Ø 125, 88 mm long | Ø 150, 88 mm long |
| Free air passage | max. 62 cm² | max. 102 cm² | max. 151 cm² |
SKU 4002644062624