单词 | foot valve |
释义 | > as lemmasfoot valve foot valve n. a mechanical valve allowing a liquid or gas to pass in one direction only, typically situated at the lower end of the suction pipe in a pumping system. ΚΠ 1802 Repertory Arts & Manuf. 16 300 A foot valve for preventing the return of the water during the descent of the bucket. 1909 Times 3 Feb. 17 Water is obtained from the harbour through a 6in. suction pipe fitted with the usual foot valve and strainer. 2006 R. J. Hoeksema Designed for Dry Feet iv. 52/1 The lift pump and the force pump both draw water through a foot valve (on the bottom of the cylinder) on the upward stroke. < as lemmas |
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