Round Fire Damper KTS-O-S
Product features:
- Spring mechanism ensures operation without power supply
- Automatic closure when critical temperature is exceeded
- High fire resistance confirmed by laboratory tests
- Effective smoke-tightness protecting building fire zones
- Intumescent seals activated by high fire temperature
- Rubber seal ensures tightness during normal operation
- Normally open operation in ventilation system
- Can be installed in rigid and flexible walls
- Any orientation of the damper blade rotation axis
- Spigot connections enable quick and tight installation
Technical Data
| Parameter | Fire Damper KTS-O-315 | Fire Damper KTS-O-S-400 |
|---|---|---|
| Type | round shut-off damper, normally open | |
| Drive system | spring mechanism + fusible link 70±5°C | |
| Connections | spigot (push-fit) | |
| Permissible velocity | ≤ 8 m/s | |
| Casing length | 375 mm | |
| Weight | 9.6 kg | 12.3 kg |
| Sound power level LWA | from 17 to 38 dB | from 19 to 40 dB |
| Casing material | galvanized steel sheet | |
| Blade | calcium silicate board + rubber seal | |
| Seals | intumescent seals (external/internal) at perforation | |
| Fire classification | EI30 / EI60 / EI90 / EI120 (ve ho i↔o) S — depending on application | |
| Standards / compliance | PN-EN 15650, PN-EN 13501-3, PN-EN 1366-2 | |
| Leakage class | class C after installation according to PN-EN 1751 | |
Round Fire Damper KTS-O-S with spring mechanism, designed for general ventilation systems. Under normal conditions it remains open, while during a fire it closes automatically, limiting the spread of fire and smoke. The damper construction enables installation in rigid and flexible walls, ensuring effective fire protection in various building solutions.
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Dimensions [mm]
| Parameter | DN 315 | DN 400 |
|---|---|---|
| Casing length L | 375 | 375 |
| Blade protrusion A | 58 | 100 |
| Blade protrusion B | -128 | -85 |
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