Interface control document. An interface control document (ICD) in systems engineering and software engineering, provides a record of all interface information (such as drawings, diagrams, tables, and textual information) generated for a project.
How well do you know your pipe flanges? Remember that flanges come in a variety of shapes and sizes to suit different applications. A flange is usually in the shape of a disc and is used to connect two tubes together or to connect a pipe to a valve, tee, choke or other component. Providing support and strength, two flanges are typically attached to pipe ends with a gasket in between.
Install New Hardware. Place a rubber seal on the underside of the drain flange. If your new disposal doesn't include a rubber seal, you'll need to use plumber's putty. Push the drain flange into place in the drain hole.Place another rubber seal on the drain flange on the underside of the sink. Attach the metal backup ring, flat side up.nstall New Hardware. Place a rubber seal on the underside of the drain flange. If your new disposal doesn't include a rubber seal, you'll need to use plumber's putty. Push the drain flange into place in the drain hole.