Silencer SLGU 250.1200

Fire classes without protective distance: EI 30, E 60 Fire classes with protective distance to: (According to Swedish regulations): evacuation person: 3 kW/m² EI 60 at distance 50 mm combustible materials: 10 kW/m² EI 60 at distance 5 mm 30 kW/m² EI 60 at distance 5 mm Insulation thickness 150 mm. Used when you need particularly good attenuation at low frequencies (125 and 250 Hz). Otherwise equivalent to SLGU 100. Tested according to ISO 7235 standard.