دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: any material (such as paper, cork, asbestos, or rubber) used to seal two essentially stationary surfaces.

n: any material can be used to seal airtight two fasten surface。For example ， paper 、softwood、asbestos 、rubber and so on。



any of several replaceable seals in equipment or tools.

n: a thin piece of material made of cork or other similar material placed between an engines cylinder head and engine block. It seals between the head and block, and flexes to maintain the seal as the head and block expand at different rates with changes in engine temperature.

a flange with plastic gasket and bolt isolation devices to stop electrical conductance.

a not re-usable, metal-to-metal seal. Used between spools of a wellhead and in other equipment such as flanges.