| 单词 | reflux valve |
| 释义 | > as lemmasreflux valve reflux valve n. a valve, esp. one in a water pipe, which allows fluid to flow in one direction only and which automatically closes when flow ceases or reverses; also called check valve. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > others washer1596 turncock1702 air cock1709 Jack-in-the-box1728 runner1754 stop-valve1829 three-way cock1838 ball valve1839 relief valve1846 poppet valve1851 plunger valve1854 pot-lid1856 reflux valve1857 screw-down1864 mica valve1880 tide flap1884 tube-valve1884 swing-tap1892 relay valve1894 Schrader1895 pilot valve1900 mixer valve1904 spool valve1908 spill valve1922 safety valving1930 three-way1939 1857 Canada Directory 1857–8 1213 (advt.) Stop-cocks, reflux-valves, &c. 1893 J. H. T. Turner & A. W. Brightmore Princ. Waterworks Engin. vi. 375 ‘Re-flux’ valves are introduced at such points as the inlets to reservoirs or towards the ‘delivery’ sides of deep depressions in the pipe-line. 1962 L. B. Escritt Pumping Station Equipm. & Design vii. 72 If a reflux valve sticks open..water will rush backwards from the rising main. 2001 P. Pitman External Works, Roads & Drainage v. 119 Reflux valves reduce back flow and water hammer. < as lemmas |
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