Helios Ventilatoren BAK 160 Lock-out device

Shut-off device for preventing fire and smoke, for installation in ventilation shafts, walls or ceilings, which serve as fire sections with required fire resistance class K90-4102 or EI 90-1366. For insertion in spiral ducting or for wall installation by means of installation sleeve EH. Approval number Z-41.3-695.

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