gas-tight seal

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• Gas holder — A gasometer, or gas holder, is a large container where natural gas or town gas is stored near atmospheric pressure at ambient temperatures. The volume of the container follows the quantity of stored gas, with pressure coming from the weight of a… …   Wikipedia

• Gas syringe — A gas syringe also known as glass collecting bottle, is a piece of laboratory glassware used to insert or withdraw a volume of a gas from a closed system, or to measure the volume of gas evolved from a chemical reaction. A gas syringe can also be …   Wikipedia

• tight — I. adjective Etymology: Middle English tiht, thyht dense, solid, watertight, of Scandinavian origin; akin to Old Norse thēttr tight; akin to Middle High German dīhte thick, Sanskrit tanakti it causes to coagulate Date: 14th century 1. a. having… …   New Collegiate Dictionary

• Gas meter prover — A Gas Meter Prover is a piece of equipment used to verify the accuracy of a gas meter. Presently, gas meter provers (or more simply “provers”) refer to manually or electronic and/or computer controlled equipment used to calculate accuracy of a… …   Wikipedia

• gas·ket — /ˈgæskət/ noun, pl kets [count] : a piece of rubber or some other material that is used to make a tight seal between two parts that are joined together blow a gasket 1 of a car, engine, etc. : to develop a very bad leak in a gasket 2 informal, of …   Useful english dictionary

• Bodok seal — The Bodok seal is a specialised washer that ensures a gas tight seal between the cylinder yoke or regulator of an anaesthetic machine or any medical device requiring a gas supply, and a gas cylinder. It was introduced along with the pin index… …   Wikipedia

• seal — seal1 [sēl] n. [ME seel < OFr < L sigillum, a seal, mark, dim. of signum: see SIGN] 1. a design, initial, or other device placed on a letter, document, etc., as a mark of genuineness or authenticity: letters were, esp. formerly, closed with …   English World dictionary

• Sillment seal — A gas tight seal between center electrode of a spark plug and insulator and between insulator and shell …   Dictionary of automotive terms

• seal — I. noun (plural seals; also seal) Etymology: Middle English sele, from Old English seolh; akin to Old High German selah seal Date: before 12th century 1. any of numerous carnivorous marine mammals (families Phocidae and Otariidae) that live… …   New Collegiate Dictionary

• Glass-to-metal seal — Glass to metal seals are a very important element of the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass encapsulated semiconductor diodes, reed switches, pressure tight glass windows in metal cases, and… …   Wikipedia

• Residual gas analyzer — A residual gas analyzer (RGA) is a small and usually rugged mass spectrometer, typically designed for process control and contamination monitoring in the semiconductor industry. Utilizing quadrupole technology, there exists two implementations,… …   Wikipedia