Supplier
Strulik GmbH
Butterfly Blade Fire Damper Type BEK (DN 100–DN 200)
Low-pressure-loss circular fire damper for high airflow rates.
Specs verified against manufacturer documentation
Nominal diameters
DN100, DN125, DN160, DN200
Fire tested to EN 1366-2
CE marked to EN 15650
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The BEK is a circular butterfly-blade fire damper designed for low pressure loss and high flow rates, with the damper blade itself providing the fire resistance and mounting directly in the plane of the compartment boundary. It installs without special fixtures and can be used to retrofit existing ventilation systems for fire-compartmentation compliance.
From the manufacturer’s documentation
Technical specifications.
| Nominal diameters | DN100, DN125, DN160, DN200 |
| Classification to EN 13501-3 up to EI 120 S (installation-dependent) | |
| Fire tested to EN 1366-2 | |
| CE marked to EN 15650 | |
| Thermal release via fusible link (standard 72°C) | |
| Sheet-metal housing; optional polyurethane lacquer coating | |
Best for
Use cases.
- ›Fire-compartmentation of circular HVAC ductwork
- ›Installation in solid walls, ceilings, aerated concrete, light partition and shaft walls
- ›Retrofitting fire protection into existing ventilation systems