A value which opens automatically to relieve excessive pressure in a boiler, pressure cooker, etc. Also: a similar valve which closes…
| 单词 | θ214180 |
| 释义 | society > occupation and work > equipment > machine > machines which impart power > boiler > [noun] > parts of > valves (5) safety valve1744 A value which opens automatically to relieve excessive pressure in a boiler, pressure cooker, etc. Also: a similar valve which closes… clack1829 In locomotive engines the valve which closes the opening of the feed-pump into the boiler; generally a ball-valve. government valve1837 a safety valve fitted to the boilers of marine steam engines that is required by law and may be adjusted only by an authorized person. fusible plug1874 Capable of being fused or melted. fusible metal (see quot. 1853). fusible plug (see quot. 1874). feed check valve1895 a valve placed between the feed-pipe and the boiler, to prevent return of feed-water. |
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