8 word blind plate is a kind of pipe parts, mainly to facilitate the overhaul, the specific shape you can "8" on the first half painted black, you know. Is half blind half. Often used in the process of changing the pipeline flange, the main material is carbon steel, stainless steel, alloy, according to the pipe pressure level and pipeline medium to choose.
The significance of the utility model is usually used in pipelines with large diameter, and the spacing of one end of the flange is used to keep the pipeline unblocked, and the blind plate with equal thickness at the other end is cut off when needed. Avoid temporarily replacing other blind plates, causing the pipeline to be forced to expand, affecting the entire system