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Sliding sleeve for fire protection duct FWK 30/FWK 3E I90/E30 50x110mm galvanized. System accessories for fire-resistant cable routing duct FWK30 for wall and ceiling mounting - I90 according to DIN4102-11 to protect the escape and rescue route and FWK3E for wall and ceiling mounting - E30 according to DIN4102-12 to maintain functionality.
| Property | Value |
| Color: | other |
| Fire resistance class I - installation duct: | 90 |
| Surface: | strip-galvanized and coated |
| Usable cross-section: | 5450 mm² |
| Sheathing: | Steel |
| External height: | 88 mm |
| External width: | 200 mm |
| Internal height: | 50 mm |
| Internal width: | 109 mm |
| Material of the insulation material: | other |
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