shut down valve
1Shut down valve — A shut down valve (also referred to as SDV or Emergency shutdown valve, ESV, or ESDV) is an actuated valve installed in a pipeline. It isolates a process unit from an upstream or downstream (gaseous or liquid) inventory upon activation of the… …
2shut — 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.… …
3Globe 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… …
4pressurization 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… …
5Check valve — Tilting disc inconel check valve …
6Downhole 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… …
7To 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… …
8To 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… …
9Tap (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 …
10Solenoid 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… …
