check valve

(redirected from One-way valve)
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Related to One-way valve: pulmonary artery, Non return valve

check valve

A valve that permits fluids or gases to flow in just one direction. Check valves are used in infusion sets to prohibit backflow of fluids during intravenous therapy.
See also: valve
References in periodicals archive ?
When blood has to move up the body from the feet it is helped on its way by a series of one-way valves.
Diodes act as one-way valves for current between two electrodes; triodes control current via a third electrode.