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Valve Corporation, also known as Valve Software, is an American video game developer, publisher, and digital distribution company headquartered in Bellevue...

A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening...

standard VVT (variable valve timing) systems which change only the valve timings and do not change the camshaft profile or valve lift in any way. Japan...

The Schrader valve (also called American valve) is a type of pneumatic tire valve used on virtually every motor vehicle in the world today. The Schrader...

blowoff valve (also called dump valve or compressor bypass valve) is a pressure release system present in most petrol turbocharged engines. Blowoff valves are...

Reed valves are a type of check valve which restrict the flow of fluids to a single direction, opening and closing under changing pressure on each face...

The Presta valve (also French valve (FV) or Sclaverand valve) is a type of tire valve commonly found on high pressure bicycle inner tubes and is commonly...

The Dunlop valve, (also called a Woods valve, an English valve or a Blitz valve) is a type of pneumatic valve stem in use—mostly on inner tubes of bicycles—in...

wrap locates the B♭ change valve above the first valve, near the thumb. The Geyer wrap has the change valve behind the third valve, near the little finger...

A gate valve, also known as a sluice valve, is a valve that opens by lifting a barrier (gate) out of the path of the fluid. Gate valves require very little...

The Valve Index is a consumer virtual reality headset created and manufactured by Valve. Announced on April 30, 2019, the headset was released on June...

The mitral valve (/ˈmaɪtrəl/ MY-trəl), also known as the bicuspid valve or left atrioventricular valve, is one of the four heart valves. It has two cusps...

A multi-valve or multivalve engine is one where each cylinder has more than two valves (an intake, and an exhaust). A multi-valve engine has better breathing...

valve Large butterfly valve Butterfly valve DN3000 Check valve Control valve Diaphragm valve Gate valve Globe valve Needle valve Plastic pressure pipe...

ileocecal valve (ileal papilla, ileocaecal valve, Tulp's valve, Tulpius valve, Bauhin's valve, ileocecal eminence, valve of Varolius or colic valve) is a...

Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve...

aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the...

Tricuspid valves may also occur with two or four leaflets; the number may change over a lifetime. The tricuspid valve functions as a one-way valve that closes...

Bicuspid aortic valve (BAV) is a form of heart disease in which two of the leaflets of the aortic valve fuse during development in the womb resulting...

stopcock is the simplest form of rotary valve. Rotary valves have been applied in numerous applications, including: Changing the pitch of brass instruments. Controlling...