A method used to block pipelines to intentionally prevent the flow of materials or substances. It is used in maintenance, the closure of redundant pipelines, and process equipment, and usually consists of a plate bolted across the face of a flange.
Electronics and Electrical Engineering
The rendering of a device or channel ineffective or inoperative for a desired time. For example, blanking eliminates the return trace from the screen of a cathode-ray tube. There are usually two blanking components to eliminate the horizontal and vertical components of the return trace.