Flap valves: Difference between revisions
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Simple non-return valves, usually without springs, to ensure that a fluid passes in one direction only. | Simple non-return valves, usually without springs, to ensure that a fluid passes in one direction only. | ||
Latest revision as of 08:52, 17 September 2026
Simple non-return valves, usually without springs, to ensure that a fluid passes in one direction only.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
