Butterfly Blade Fire Damper Type BEK (DN 100–DN 200)
Strulik GmbH logo
Supplier
Strulik GmbH

Butterfly Blade Fire Damper Type BEK (DN 100–DN 200)

Low-pressure-loss circular fire damper for high airflow rates.

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.

Specs at a glance

Technical specifications.

Nominal diametersDN100, 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
Cross-shop the category

Replacements & compatible alternatives.

Comparable products from other suppliers. Cross-shop on specs — confirm exact fit and compatibility with the supplier before specifying.