دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a mechanical device used to hold an object in place. For example, a leak-repair clamp, or saddle clamp, holds a piece of metal with the same curvature as the pipe over a hole in a line, effecting a temporary seal. A wireline clamp holds the end of a wire rope against the main rope, while a polishedrod clamp attaches the top of the polished rod to the bridle of a pumping unit