reducing valve

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re·duc·ing valve

a valve designed to lower the pressure of a gas coming from a cylinder containing compressed gas under high pressure.

reducing valve

A device to reduce the pressure of gas that has been compressed in a cylinder.
See also: valve


1. a membranous fold in a canal or passage that prevents backward flow of material passing through it.
2. a mechanical device to regulate the flow of liquid or gas from an area of higher pressure to one of lower pressure.
3. automatic valve which maintains a steady vacuum in the system of a mechanical milking machine.

Adam's pressure reducing valve
see reducing valve (below).
aortic valve
see aortic valve.
atrioventricular v's
the valves between the right atrium and right ventricle (tricuspid valve) and the left atrium and left ventricle (mitral valve).
bicuspid valve
mitral valve.
cardiac v's
valves that control flow of blood through and from the heart. See also aortic valve, mitral valve, pulmonary valve, tricuspid valve.
coronary valve
a valve at entrance of the coronary sinus into right atrium.
flair valve
a cardiac valve having a cusp that has lost its normal support (as in ruptured chordae tendineae) and flutters in the bloodstream.
ileocecal valve, ileocolic valve
see ileocecal valve.
nonreturn valve
in anesthetic circuits, it prevents exhaled gas from returning to the patient.
portal valve
regulates the amount of venous blood entering the kidney.
pressure reducing valve
see reducing valve (below).
pyloric valve
a prominent fold of mucous membrane at the pyloric orifice of the stomach.
reducing valve
a special valve used on anesthetic machines and which reduces the pressure of the gas reaching the exit valve so that control of the flow is made easier. Called also regulator.
semilunar v's
valves made up of semilunar segments or cusps (valvulae semilunares), guarding the entrances into the aorta and pulmonary artery.
thebesian valve
coronary valve.
valve tube
a thermionic diode that permits the flow of electric current in an x-ray machine in only one direction.
References in periodicals archive ?
The fundamental concept of operation in the two-position, three-way proportional pressure-reducing valve is based on barometric pressure feedback.
He says pressure-reducing valves are required by code when the street pressure is higher than 80 psi.
The US-based Zurn offers the Wilkins brand of pressure-reducing valves that provide durability and reliability, backed by 100 years of trusted performance, the spokesman adds.
In a typical application where high-pressure natural gas is received and low-pressure gas is distributed, such as at city gates, GPRGs can be used in parallel with standard pressure-reducing valves to generate significant amounts of low-cost power.
Since it takes into account fluid density, it has been established that velocity head (V2/2) is a better criterion than just pure fluid velocity in judging design adequacy in pressure-reducing valves.
The built-in pressure compensation also reduces costs by eliminating the need for external pressure-compensated flow controls, pressure-reducing valves or flow dividers.
The water system improvements, which support placing Talbott Tank off-line, include the creation of a smaller new pressure zone, new pressure-reducing valves and miscellaneous water main upgrades.
The hydroelectric components will utilize one of the metering station%s existing pressure-reducing valves, meaning the civil works required are "minimal".

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