Component that opens or closes a port to permit flow into and out of the combustion chamber
There are many types of valves that are used to control sewerage or effluent systems These can vary from - Non Return Valves, Gate Valves, Sluice Valves, Penstock Valves, each of which has a specific purpose
{i} device that controls the flow of a liquid through a passage or a pipe; membranous flap that controls the direction and/or flow of bodily fluids; one of two shells in a bivalve mollusc; device which changes the pitch in a wind instrument (Music)
A device used for turning the water supply on and off Often referred to as "stops " The mechanical failures of such valves are not covered
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
There are four valves in the heart: the tricuspid and the mitral valve, which lie between the atria and ventricles and the pulmonic and aortic valves which lie between the ventricles and the blood vessels leaving the heart The heart valves help to maintain one-way blood flow through the heart