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Sliding sleeve fire protection duct FWK 90 functional integrity E60/E30 50x60mm galvanized. System accessories for fire-resistant cable duct FWK90 - E60 according to DIN4102-12 for functional maintenance during wall and ceiling installation.
| Property | Value |
| Color: | other |
| Fire resistance class E - functional maintenance: | 60 |
| Surface: | strip-galvanized and coated |
| Usable cross-section: | 2646 mm² |
| Sheathing: | steel |
| Outside height: | 49 mm |
| External width: | 54 mm |
| Internal height: | 49 mm |
| Internal width: | 54 mm |
| Material of the insulation material: | other |
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