دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. an opening in a vessel, line, or pump to permit the escape of air or gas. 2. a device installed on one end of that portion of a pipe- line that crosses under a road. The vent marks the boundary of the highway right-of-way and provides an exit for any fluids should the pipeline develop a leak. It also aids in locating line breaks. v: to open a vessel or line so that air or gas can escape.

release gas pressure.