Check valve: Revision history


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  • curprev 23:2123:21, 18 December 2020PolychromePlatypus talk contribs 19,350 bytes +19 Add synonym 'foot valve'. This is the name used for a more than fully ported check valve used at the inlet of a pump that lifts a fluid to its point of delivery. Almost all fresh water well pumps have a foot valve. Some sump pumps have a foot valve. (these are used with a float switch to remove high ground water to prevent flooding of a space below grade, functionally a bilge pump for a building). The foot valve may be to keep the pump primed or to simply retain the work performed lifting water undo
  • curprev 23:0823:08, 18 December 2020PolychromePlatypus talk contribs 19,331 bytes −19 Remove synonym 'Clack Valve', Clack is a brand of potable water treatment control valves for water filters, water softeners, iron removers, pH control, and other less common uses. Their control valves typically incorporate one or more check valves, but they're not of an original or unique type or employed in a novel arrangement. undo
  • curprev 18:5218:52, 18 December 202047.14.67.34 talk 19,350 bytes −121 →‎Industrial processes: Removed incorrect information. A fuel injector isn't a check valve with an opening pressure of 5-8 bar. Direct injection injectors incorporate a check valve to block back-flow, but the opening pressure isn't that high. Some components of a direct injection fuel pump used to create a fuel injection with a sharp start and cut-off resemble a check valve in part esp. the "anti-dribble" valve used to create the sharp cut-off, but the differences are significant. undo

29 November 2020

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