Definitions for "Valves"
Membranous structures in a hollow organ or passage, as in arteries or veins, that fold or close to prevent the return flow of body fluid (such as blood) from passing through. Reference: H1
One-way flat valves in peripheral veins; prevent reflux of blood, especially when standing.
valvae, folding doors). Heart valves.
Many types of valves are on tractors including valves in the hydraulic pump, carburetor, and oil pump but when used alone the term "Valve" refers to the Intake and Exhaust Valves. These open and close based on the action and timing of the camshaft to allow air and fuel to be drawn in and burnt exhaust gases to be push out.
A hydraulic device that controls fluid flow direction, pressure, or flow rate.
(e.g. 24 valves) Signifies the total intake and exhaust valves in an engine. For example, a 24-valve V-6 would have 4 valves per cylinder: 24/6=4. A 16-valve V-8 would have 2 valves per cylinder: 16/8=2. More valves allow the engine to breathe better at high RPM and produce more power.
one of the two halves of the shell
In the thick-walled desmokonts, two opposing halves of the theca are called valves (right and left). The right valve is the one most indented anteriorly by the periflagellar plates.
The two shells of the oyster. !-- assign table width based on how this page is called close_it();
JavaScript Demonstration Valves are the part of a trumpet the re route the air column to make it longer or shorter, changing the pitch of a note. "Valves" is a loose term; it often referrs to the pistons, or the whole assembly. YOu ca learn more about valves in How Valves Work and Parts of Trumpet.
Keywords:  german, family, owned, company
a family owned German company
Valves are the component which actually turn the water on and off. Valves can be manual or automatic.