Abbreviation for "Inside Diameter". Used when denoting the inside dimension of a packing set, usually equal to the stem or shaft diameter.
The part of a centrifugal pump that, when rotated, will generate pressure and cause flow.
During vulcanization, the design formed in the surface of any rubber article by a method of transfer. See "Fabric Finish."
Foreign matter included in the seal material.
A rigid, cup-shaped component of a seal assembly, which is placed inside the outer seal case. It has one or more of the following functions: reinforcing member, shield, spring retainer, lip-clamping device.
The inside ply of a multiple-layered joint.
A solid ring used on the ID of a spiral wound gasket in higher pressure applications. This ring also acts as a compression limiter and provides protection from the media stream.
That surface of the inner case which faces, and is usually in contact with, the fluid being sealed.
The angle between the inside lip surface and the axis of the seal case.
The distance between the expansion joint flanges after installation when the system is in the cold (off) position.
An expansion joint in which the joint flanges are made of the same material as the body of the joint, as in ÒUÓ type joints.
An expansion joint corner with the arch formed inwardly that is designed primarily for vacuum service. Generally used in conjunction with a rectangular or square expansion joint.
Pressure (Lbs/Sq. Inch) exerted on the ID of a seal.
Abbreviation for International Standards Organization.