دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

. See keyseat. key valve n: see shutoff valve.

annular access valve.

v: I. to take in and make part of an existing whole. 2. to recover liquid hydrocarbons from natural or refinery gas in a gas- absorption plant. The wet gas enters the absorber at the bottom and rises to die top, encountering a stream of absorption oil (a light oil) travelling downward over bubblecap trays, valve trays, or sieve trays. The light oil removes, or absorbs, the heavier liquid hydrocarbons from the wet gas. See bubble-cap tray, sieve tray, valve tray.

to fill part or all of the pore spaces.

a device that, by remote influence, can operate valves or other equipment.

annular safety valve.

annular flow valve.