A Blind flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened. Blind Flange,Forged Blind Flanges,EN1092-1 Blind Flanges,Forged Steel Blind Flanges Shandong Zhongnuo Heavy Industry Co.,Ltd. , https://www.zhongnuoflange.com
The granite V-shaped frame is made of the finest "Jinanqing" stone, which is made by machining and hand-finishing. Due to the characteristics of its own material, its accuracy becomes higher and its service life is longer. At the same time, it has stronger acid and alkaline resistance and is not easily deformed. Granite V-shaped frame also has anti-magnetization, wear and other characteristics.
Specification of V-frame: Material: Marble or cast iron. Accuracy grade: divided into two types: high precision and normal accuracy. V-frames are manufactured according to the JB/T8047-95 standard, also known as V-frames. Commonly used are three-port V-frame, single-port V-frame and five-port V-frame. V-frames are supplied in high quality HT200-250 materials.
The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made.
Introduction of granite V-frame
Granite V-frame accuracy: 000 -1 level.