Flame arrester
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A flame arrester, deflagration arrester, or flame trap is a device or form of construction that allows free passage of gas but will interrupt or prevent the passage of flame. It prevents the transmiss
A flame arrester during testing
A flame arrester made for a 91 cm (36 inch) pipe weighing 10 tons
Davy lamp
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The Davy lamp is a safety lamp used in flammable atmospheres, invented in 1815 by Sir Humphry Davy. It consists of a wick lamp with the flame enclosed inside a mesh screen. It was created for use in c
Flame arrester
…fires will penetrate the fence unless the holes are very small. In a coal mine containing highly explosive coal dust or methane, the wire mesh of a Davy lamp must be very tightly spaced. For flame arresters used as a safety device, the mesh must be protected from damage due to being dropped or struck by…
Davy's first safety lantern, 1815 (at left)
A type of Davy lamp with apertures for gauging flame height