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valve coupling

См. также в других словарях:

  • Dixon Valve & Coupling Company — is a manufacturer and supplier of hose fittings and accessories. The company, often referred to as just Dixon, offers products for fire protection, food processing, dairy processing, beverage and brewery operations, industrial manufacturing,… …   Wikipedia

  • Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …   Wikipedia

  • Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

  • Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …   Wikipedia

  • Valve transmitters — Most high power transmitter amplifiers are of valve construction because of the high power required.Anode circuitsSince valves are designed to operate with much higher resistive loads than solid state devices, the most common anode circuit is a… …   Wikipedia

  • Spin-valve — Magnétorésistance géante Pour les articles homonymes, voir GMR. La magnétorésistance géante (en anglais, Giant Magnetoresistance Effect ou GMR) est un effet quantique observé dans les structures de films minces composées d une alternance de… …   Wikipédia en Français

  • Spin valve — Magnétorésistance géante Pour les articles homonymes, voir GMR. La magnétorésistance géante (en anglais, Giant Magnetoresistance Effect ou GMR) est un effet quantique observé dans les structures de films minces composées d une alternance de… …   Wikipédia en Français

  • Zone valve — A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system.In the interest of improving efficiency and occupant comfort, such systems are commonly divided up into multiple zones.… …   Wikipedia

  • Expansion coupling — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a …   The Collaborative International Dictionary of English

  • Expansion valve — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a …   The Collaborative International Dictionary of English

  • Relay valve — A relay valve is an air operated valve. It is most commonly used in air brake systems to control the brakes at the rear of a trailer in a tractor trailer truck.It would take too long for sufficient air to travel from the brake pedal valve to the… …   Wikipedia

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