shut — v. (shutting; past and past part. shut) 1 tr. a move (a door, window, lid, lips, etc.) into position so as to block an aperture (shut the lid). b close or seal (a room, window, box, eye, mouth, etc.) by moving a door etc. (shut the box). 2 intr.… … Useful english dictionary
Globe valve — A Globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk type element and a stationary ring seat in a generally spherical body. [cite web url = http://www.answers.com/topic/globe valve title = Globe… … Wikipedia
pressurization and dump valve — A valve used in a turbine engine fuel system equipped with duplex nozzles. When the demand for fuel is low, it flows through the primary manifold. The pressurization valve opens at a high fuel flow to deliver fuel to the secondary manifold. At… … Aviation dictionary
Check valve — Tilting disc inconel check valve … Wikipedia
Downhole safety valve — A downhole safety valve refers to a component on an oil and gas well, which acts as a failsafe to prevent the uncontrolled release of reservoir fluids in the event of a worst case scenario surface disaster. It is almost always installed as a… … Wikipedia
To turn down — Turn Turn (t[^u]rn), v. t. [imp. & p. p. {Turned}; p. pr. & vb. n. {Turning}.] [OE. turnen, tournen, OF. tourner, torner, turner, F. tourner, LL. tornare, fr. L. tornare to turn in a lathe, to rounds off, fr. tornus a lathe, Gr. ? a turner s… … The Collaborative International Dictionary of English
To turn upside down — Turn Turn (t[^u]rn), v. t. [imp. & p. p. {Turned}; p. pr. & vb. n. {Turning}.] [OE. turnen, tournen, OF. tourner, torner, turner, F. tourner, LL. tornare, fr. L. tornare to turn in a lathe, to rounds off, fr. tornus a lathe, Gr. ? a turner s… … The Collaborative International Dictionary of English
Tap (valve) — Spigot and faucet redirect here. For other uses, see Spigot (disambiguation). A valve tap is a noise made by the valves of internal combustion engines; see Poppet valve > Internal combustion engine. Indoor Tap commonly found in the bathroom or … Wikipedia
Solenoid valve — A solenoid valve is an electromechanical valve for use with liquid or gas. The valve is controlled by an electric current through a solenoid: in the case of a two port valve the flow is switched on or off; in the case of a three port valve, the… … Wikipedia
Presta valve — The Presta valve is a valve commonly found in high pressure road style and better mountain bicycle tires, although it is now used on all UST or tubeless mountain bike tires. Its three components are the valve body, a threaded valve stem, and a… … Wikipedia
