Further information for Helios Ventilatoren BLS200/75 - Helios fire ventilation Stone Dia 200mm T75mm
BLS 2 / 75-6 Fire-stone ventilation to ventilation prisoner, compared to fire-and smoke-protect transmission of the rooms. Allows constant air exchange and so prevents a heat mestau. Fire resistance class F 3 to F 9 DIN 4
2 Construction law No. Z-admission
9
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384th Maintenance and audit-free, no moving parts. Resistant to moisture, largely to oils, gasoline and weak acids. Simple installation. Make: Helios No.: 272
Type: BLS 2 / 75-6 ______________________________________