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Flame TrapSafety-engineering required equipment for using inflammable liquids with a flash point <50°C in the explosion-prone area. Applied in every pipe, which is open during operation, such as vent pipe, fuelling pipe, extraction pip. The sizes are in accordance with the flow rate in the pipe to secure. ND thread max. fl ow rate DN25 1“ < 200 l/min DN50 2“ < 500 l/min DN100 4“ < 1.200 l/min