Push Ring Adapter

Mechanical component mounted on the thrust ring to prevent the thrust ring from coming into contact with and damaging the pipe collar.

PVC

Polyvinyl Chloride; a form of thermoplastic pipe.

Radian

An arc of a circle equal in length to the radius; or the angle at the center measured by the arc.

Radius of Gyration

The distance from the reference at which all of the area can be considered concentrated that still produces the same moment of inertia. Numerically it is equal to the square root of the moment of inertia, divided by the area.