Characteristics of fire dampers:

• BSK-R-L round fire damper, light version (from 100 – 315mm)
• BSK-R-M round fire damper, solid version (355-630mm)
• both valve designs with a mechanical thermal and thermoelectric trigger

Characteristics of fire dampers:

• BSK-E-L rectangular fire damper, light version (max. 800 × 600 mm)
• BSK-E-M rectangular fire damper, massive version (max. 1500 × 800 mm)
• both valve designs with a mechanical thermal and thermoelectric trigger