A spectacle blind flange is used to temporarily or permanently block the flow of fluid in a pipeline. It is made up of two discs, one of which is a solid plate and the other is a ring with a hole in the center that is the same size as the pipeline.
LINE BLANKS – STANDARD | ANSI/ASME B16.48
| Specification | |
|---|---|
| Sizes | 1/2” to 24” |
| Class | 300, 600, 900, 1500, 2500 Lbs |
| Types | RF, FF, RTJ |
| Material | Carbon steel, Alloy Steel, Stainless steel, Duplex |