Train signal firecracker
Train signal firecracker with a spring mounting rail is designed to supply a sound warning locomotive drivers when hitting her wheels rolling stock.
Firecrackers are operated at a temperature of ±50 °C and relative humidity up to 98%.
The sound level of the explosion of firecrackers — not less than 100 decibels, outer diameter — 65 mm, weight — 80 grams.
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