triple valve
triple valve noun: in railway air braking systems, a valve that performs three functions.
Noun
triple valve (plural triple valves)
- In railway air braking systems, a valve that performs three functions.
- By 1873, the triple valve had been developed satisfactorily in a form which it retained for many years, and by it the automatic character of the brake was ensured. The valve got its name from its triple function of applying the brakes, releasing them, and re-charging the auxiliary reservoirs.1946 November and December, “George Westinghouse, 1846-1914”, in Railway Magazine, pages 374–375
- The basic equipment on each vehicle consists of the auxiliary reservoir, the triple valve and the brake cylinders. When the train pipe pressure is reduced, the triple valve spills air out of the auxiliary reservoir until its pressure becomes equal to that of the train pipe; this air is passed into...1964 March, “Train braking - the next steps”, in Modern Railways, page 186
Forms of triple valve
| plural | triple valves |
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Questions about triple valve
- What does triple valve mean?
- Triple valve means in railway air braking systems, a valve that performs three functions.
- What part of speech is triple valve?
- Triple valve is a noun.
- What is the plural of triple valve?
- The plural of triple valve is triple valves.
Words near triple valve in the dictionary
Source and license
Adapted from Wiktionary: triple valve (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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