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1970s Scottish punk rock band
The Valves were a punk rock band from Edinburgh, Scotland. One of the early British punk bands, they were chronicled in Henrik Poulsen's book 77: The
The_Valves
Flow control device
the valve. Common examples of this type of valve are safety valves fitted to hot water systems or boilers. More complex control systems using valves requiring
Valve
One time use propulsion component
reliability of the valve. There are several advantages of pyrotechnic valves over other types of valves, such as solenoid valves: Pyrotechnic valves have an
Pyrotechnic_valves
Type of piston engine valvetrain design
overhead valve designs. Some early intake-over-exhaust engines used a hybrid design combining elements of both side-valves and overhead valves. The first
Overhead_valve_engine
Mechanical system in an internal combustion engine
valves, although sleeve valves, slide valves and rotary valves have also been used at times. Poppet valves are typically opened by the camshaft lobe or rocker
Valvetrain
Bicycle tube valve
goes through a hole in the rim, and the hole slightly weakens the rim. Presta valves are thinner than Schrader valves, so can fit through a smaller hole
Presta_valve
Flap of tissue that prevent backflow of blood around the heart
tricuspid valve in the right heart. The two semilunar valves are at the entrance of the arteries leaving the heart. These are the aortic valve at the aorta
Heart_valve
Topics referred to by the same term
plant The Valves, UK band Search for "valve" on Wikipedia. All pages with titles containing valve or valves All pages with titles beginning with Valve Valve
Valve_(disambiguation)
American video game company
the software service Steam, and hardware including the Steam Machine, Steam Deck and Valve Index. Valve was founded in 1996 by former Microsoft employees
Valve_Corporation
Valve in the human heart between the left ventricle and the aorta
is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The aortic valve normally has three cusps
Aortic_valve
Motor vehicle and bicycle tube valve
French valves, Sclaverand valves, and road bike valves. Dunlop valves are also known as German valves, English valves, Holland valves, Woods valves, flash
Schrader_valve
Brass instrument
instruments. The valve trombone is an exception, using three valves similar to those on a trumpet, and the superbone has valves and a slide. The word trombone
Trombone
Type of valve
leading to valve float or valve bounce. Desmodromic valves use a second rocker arm to mechanically close the valves (instead of using valve springs) and
Poppet_valve
Electromechanical valve
gun triggers to actuate the CO2 hammer valve. Solenoid valves are usually referred to simply as "solenoids." Solenoid valves can be used for a wide array
Solenoid_valve
duct (also known as the spiral mucosal folds, spiral valves of Cina,[citation needed] Heister valves, Amussat valve, or Cina valves) are a series of crescenteric
Spiral_folds_of_cystic_duct
Disease in the valves of the heart
involves only the mitral valve, while 25% of cases involve both the aortic and mitral valves. Involvement of other heart valves without damage to the mitral
Valvular_heart_disease
Process of altering the timing of a valve lift event
use a power valve system to get similar results to VVT. The valves within an internal combustion engine are used to control the flow of the intake and
Variable_valve_timing
Type of four-stroke engine
engine or valve-in-block engine, is an internal combustion engine with its poppet valves contained within the engine block, instead of in the cylinder
Flathead_engine
Device that controls current between electrodes
give the same answer). Colossus I used about 1600 valves, and Colossus II about 2400 valves (some sources say 1500 (Mk I) and 2500 (Mk II); the Robinson
Vacuum_tube
Bicycle tube valve
the valve as easy to pump as a Presta valve. The inventor was C. H. Woods. It superseded Dunlop's original valve for pneumatic tyres. Dunlop valves are
Dunlop_valve
Replacement of a valve in the human heart
heart valves can be separated into three broad classes: mechanical heart valves, bioprosthetic tissue valves and engineered tissue valves. The human heart
Artificial_heart_valve
Flow control device
any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal. An important concept in check valves is the cracking
Check_valve
Type of valve
cleaner cartridge. Presta valves (also called Sclaverand valves or French valves) are normally only used on bicycles. The stem has a narrower diameter
Valve_stem
Type of car engine
Five-valve cylinder head Less common is the five-valve head, with two exhaust valves and three inlet valves. All five valves are similar in size. This design
Multi-valve
Valve in the heart connecting the left atrium and left ventricle
between the left atrium and the left ventricle of the heart. The heart valves are all one-way valves allowing blood flow in just one direction. The mitral
Mitral_valve
Blood vessels that carry blood towards the heart
junction called the suprasaphenic valve. There are sometimes two valves in the same tract. In the femoral vein there are often three valves, the most constantly
Vein
Sphincter muscle valve
The ileocecal valve is a sphincter muscle valve that separates the small intestine and the large intestine. Its critical function is to limit the reflux
Ileocecal_valve
Video game distribution platform
the American video game studio Valve. It was launched as a software client in September 2003 to provide video game updates automatically for Valve's games
Steam_(service)
Subclass of stopcocks
Plug valves are valves with cylindrical or conically tapered "plugs" which can be rotated inside the valve body to control flow through the valve. The plugs
Plug_valve
Brass instrument
Most instruments have four valves, usually compensating piston valves, although instruments with four or five rotary valves are common in Eastern and Central
Euphonium
Articulating part of a mollusc shell
a valve or in the case of chitons, a "plate". Members of two classes of molluscs, the Bivalvia (clams) and the Polyplacophora (chitons), have valves. Species
Valve_(mollusc)
Valves are quite diverse and may be classified into a number of types. Valves can be categorized into the following types, based on their operating mechanism:
List_of_valves
Anti-vacuum valve in steam locomotives
not use snifting valves, drivers were instructed to keep the regulator slightly open when coasting to avoid creating a vacuum. The valve is usually either
Snifting_valve
Valve closing off part of a system
types of valves can be classified as isolation valves. To easily understand the concept of an isolation valve, one can think of the valves under a kitchen
Isolation_valve
pericardial valves demonstrated that in all respects the haemodynamic function of this valve is superior to that reported for the porcine valves and, generally
Pericardial_heart_valves
Timing of valve closing in engines
the valve timing is the precise timing of the opening and closing of the valves. In an internal combustion engine those are usually poppet valves and
Valve_timing
procedures in the treatment of severe emphysema. The valves are also removable if they are not working properly. The one-way endobronchial valve is typically
Endobronchial_valve
A bash valve is a valve within a piston engine, used to control the admission of the working fluid. They are directly actuated valves, operated by contact
Bash_valve
Semilunar valve of the heart
the four valves of the heart and one of the two semilunar valves, the other being the aortic valve. Similar to the aortic valve, the pulmonary valve opens
Pulmonary_valve
Flow control device
(2/2-way diaphragm valve), they can also come with three ports (3/2-way diaphragm valves, also called T-valves) and more (so called block-valves). When more
Diaphragm_valve
Building containing the valves of static inverters of a HVDC plant
A valve hall is a building which contains the valves of the static inverters of a high-voltage direct current plant. The valves consist of thyristors
Valve_hall
Brass instrument in the trombone family with valves
The valve trombone is a brass instrument in the trombone family that has a set of valves to vary the pitch instead of (or in addition to) a slide. Although
Valve_trombone
Fluid control device using linear motion of a piston in a cylinder
Cylindrical piston valves called Périnet valves (after their inventor François Périnet) are used to change the length of tube in the playing of most brass
Piston_valve
terms of the full open valve capacity: Class I, or 'dust-tight' valves, are intended to work but have not been tested Class II valves have no more than 0
Valve_leakage
Brass instrument
lever-operated rotary valves, but some, especially older horns, use piston valves (similar to a trumpet's) and the Vienna horn uses double-piston valves, or pumpenventil
French_horn
Manufacturer of pneumatic components and systems
China. The Lexington pneumatics facility manufactures pneumatic valves, pneumatic cylinders, directional control valves, pressure control valves, electro-pneumatic
Aventics
Replacement of a failing aortic valve with an artificial one
through the valve. There are two basic types of replacement heart valve: tissue (bioprosthetic) valves and mechanical valves. Tissue heart valves are usually
Aortic_valve_replacement
Component of air conditioning and refrigeration systems
TX valve air conditioning systems do not require an accumulator (a refrigerant tank placed downstream of the evaporator's outlet), since the valves reduce
Thermal_expansion_valve
Flow control device
open. A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated
Butterfly_valve
Fold in the interior lining of the right atrium of the heart
the anatomy of the heart, the valve of the coronary sinus (also called the Thebesian valve, after Adam Christian Thebesius) is a valve located at the
Valve_of_coronary_sinus
Abnormally-thickened heart valve
heart valves, moderate in those with mitral prolapse concomitant with mitral regurgitation and low in patients with mitral prolapse without other valve disease
Mitral_valve_prolapse
Valve controlling the release of a liquid or gas
adjustable flow: gate valves are more progressive; ball valves more coarse, typically used in on-off applications. Turning a valve knob or lever adjusts
Tap_(valve)
Type of airlock
Trickle valves, also known as vacuum valves, are commonly used in industrial dust collection applications to maintain an airlock seal on a dust collector
Trickle_valve
Pitch change method in many instruments
Brass instrument valves are valves used to change the length of tubing of a brass instrument allowing the player to reach the notes of various harmonic
Brass_instrument_valve
Condition of an internal combustion engine
Valve float is an adverse condition which can occur at high engine speeds when the poppet valves in an internal combustion engine valvetrain do not properly
Valve_float
Medical condition
Valentini A (2002). "Posterior urethral valves". Rays. 27 (2): 131–4. PMID 12696266. "Emedicine - Posterior urethral valves - overview and treatment". Emedicine
Posterior_urethral_valve
Valve closed by squeezing a tube
available. Quik-Stop Pinch Valves Valcor Pinch Valves "How Water Blasters Work". 5 July 2001. "Customer specific pinch valve solutions". KVT GmbH. Retrieved
Pinch_valve
Flow-control device
the working pressure, the ball valves are categorized as low-pressure ball valves and high-pressure ball valves. In most industries, the ball valves with
Ball_valve
Brass instrument
bore and use of valves to alter pitch. The tuba usually has four or five valves, although some models have three or six. Descending from the serpent and ophicleide
Tuba
Valve on the exterior of a ship's hull
Kingston valves are fitted on systems such as fuel tanks, water tanks, and ballast tanks. The valve allows sea water to enter the tank. For fuel tanks, the purpose
Kingston_valve
Flow-control device
operated valves require additional cabling and switch gear, and hydraulically actuated valves required high pressure supply and return lines for the hydraulic
Control_valve
Flow control device
shape. However, the term globe valve is still often used for valves that have such an internal mechanism. In plumbing, valves with such a mechanism are also
Globe_valve
Organ found in humans and other animals
together as the right heart and their left counterparts as the left heart. In a healthy heart, blood flows one way through the heart due to heart valves, which
Heart
Type of rectilinear valve
out of the cylinders. In the 20th century, slide valves were gradually superseded by piston valves, particularly in engines using superheated steam.
Slide_valve
A valve job is the colloquial term for resurfacing the mating surfaces of the poppet valves and their respective valve seats that control the intake and
Valve_job
Automobile variable valve timing technology
pressure from a spool valve to operate a locking pin, which binds the high-rpm rocker arm to the low-rpm ones. From this point on, the valves open and close
VTEC
Plumbing valve
"Auto Air Vent Valve". Plumber 24 Hours. February 18, 2013. "Automatic Discharge Manual Discharge Automatic Air Vent Valves Manual Valves for Discharging
Automatic_bleeding_valve
Type of water- of steam-flow valve
Multiple circulator pumps, or A single circulator pump and zone valves. Zone valves as used in home hydronic systems are usually electrically powered
Zone_valve
Backflow prevention device to protect water supply from contaminants
two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest pressure
Double_check_valve
Valve where rotation of passages in a plug controls flow direction
rotary valves.[citation needed] Trombone F attachment valves are usually rotary, with several variations on the basic design also in use, such as the Thayer
Rotary_valve
Flow control device
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
Gate_valve
The Vieussens valve of the coronary sinus is a prominent valve at the end of the great cardiac vein, marking the commencement of the coronary sinus. It
Vieussens valve of the coronary sinus
Vieussens_valve_of_the_coronary_sinus
Vehicle component
proportioning valve is a valve that relies on the laws of fluid pressure to distribute input forces to one or more output lines. Proportioning valves are frequently
Proportioning_valve
Medical condition
atrioventricular (AV) valves - can appear as thickened, shortened, or notched valves. The chordae tendinae can be fused or thickened. The papillary muscles
Heart_valve_dysplasia
rise and even triple over the next fifty years. While current treatments offered such as mechanical valves or biological valves are not deleterious to one's
Tissue engineering of heart valves
Tissue_engineering_of_heart_valves
Reciprocating internal combustion engine
two valves per cylinder (for a total of twelve valves) and used one camshaft for the intake and exhaust valves of each cylinder bank (without the use
VR6_engine
Type of power operated valve
valves may be 2-way, 3-way and 4-way. 2-way valves can be either normally closed or normally opened. These valves have two ports that help the valves
Air-operated_valve
Replacement of one or more of the heart valves
Valve replacement is the surgical replacement of one or more of the heart valves with either an artificial heart valve or a bioprosthestic valve (homograft
Valve_replacement
Prosthetic heart valve
Anticoagulation Requirement: Unlike mechanical valves, bioprosthetic valves like the Hancock Aortic Tissue Valve may reduce the need for lifelong anticoagulation therapy
Hancock_Aortic_Tissue_Valve
Internal combustion engine component
richer fuel mixture when starting the engine. Most choke valves in engines are butterfly valves mounted upstream of the carburetor jet to restrict air flow
Choke_valve
Narrowing of the exit of the heart's left ventricle
Patients with bicuspid valves typically develop degenerative AS earlier than those with tricuspid valves. The abnormal valve architecture alters hemodynamic
Aortic_stenosis
One-way valve present between right auricle and right ventricle
muscles of the right ventricle, respectively. Tricuspid valves may also occur with two or four leaflets; the number may change over a lifetime. The tricuspid
Tricuspid_valve
Class of musical instruments
The valves are usually piston valves, but can be rotary valves; the latter are the norm for the horn (except in France) and are also common on the tuba
Brass_instrument
Component of central heating and cooling systems
Automatic balancing valves are utilised in central heating and cooling systems that rely on flow of water through the system. They use the latest flow technology
Automatic_balancing_valve
Mechanism that controls the pressure of a breathing gas supply for diving
cylinder valves (A-clamp or yoke adaptor), and to connect yoke regulators to DIN cylinder valves. There are two types of adaptors for DIN valves: plug adaptors
Diving_regulator
Safety valve used to control or limit the pressure in a system
valves are used. This means that the pressure is only working on an area that is much smaller than the area of the opening of the valve. If the valve
Relief_valve
Type of valve with a small port
flow. Small, simple needle valves are often used as bleed valves in water-heating applications. Unlike a ball valve or valves with a rising stem, it is
Needle_valve
Type of brass instrument valve
the trombone is partly due to its long straight air flow. The valve ports in rotary valves require a small radius 90° bend or "knuckle" shape. This causes
Hagmann_valve
British industrial company
The Sentinel Valve Works Ltd was a British company based in Worcester, England, that made medium, large and enormous valves initially for civic clean
Sentinel_Valve_Works
Toilet that uses water to convey human waste down a pipe
pipe controlled by a flush valve, or by manually pouring water into the bowl. Tanks and valves are normally operated by the user, by pressing a button
Flush_toilet
Type of machine that uses liquid fluid power to perform work
pressure to the control valves, whether any valves are actuated or not. The pumps vary their flow rate, pumping very little hydraulic fluid until the operator
Hydraulic_machinery
Valve used in respiratory medicine
with a sputum-trap attached to the valve, to function as a reservoir of the draining fluid. Flutter valves (Pneumostat valves) allow patients to ambulate
Flutter_valve
Type of electrical rectifier with a liquid cathode
amps. Like glass-bulb valves, steel-tank mercury arc valves were built with only a single anode per tank (a type also known as the excitron) or with multiple
Mercury-arc_valve
Medical condition
occurs when the fetus’ aortic valve does not fully open during development. The aortic valve is a one way valve that is located between the left ventricle
Fetal_aortic_stenosis
Pneumatic non-return valves are used where a normal non-return valve would be ineffective. This is for example where there is a risk of flood water entering
Pneumatic_non-return_valve
Arrangement and function of the components of regulators for underwater diving
manually operated screw-down on-off valve. In the mid-1960s, J-valves were widespread. J-valves contain a spring-operated valve that restricts or shuts off flow
Mechanism of diving regulators
Mechanism_of_diving_regulators
Mechanism for controlling steam flow in a reciprocating steam engine
The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to
Valve_gear
automatic hydraulic valve clearance compensation, simplex roller chain-driven overhead camshaft 6v: two valves per cylinder, 6 valves total, single overhead
List of discontinued Volkswagen Group petrol engines
List_of_discontinued_Volkswagen_Group_petrol_engines
adjustment of each valve movement. Gridiron valves were also used on the backs of slide valves, in the manner of the Meyer valve. This was a patent of
Expansion valve (steam engine)
Expansion_valve_(steam_engine)
Valvular flaps in the small intestine
The circular folds (also known as valves of Kerckring, valves of Kerchkring, plicae circulares, plicae circulae, and valvulae conniventes) are large valvular
Circular_folds
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