Flange blind plates are made of carbon steel, alloy steel, stainless steel, plastic and so on.
The blind flange plays the same role as the head and pipe cap in isolating and cutting off. Because of its good sealing performance, it is generally used as a reliable isolation means for systems that need complete isolation. The blind plate is a solid circle with a handle, which is used for the system in the isolated state under normal conditions. The spectacle blind plate is shaped like a spectacle, with a blind plate at one end and a throttling ring at the other end, but its diameter is the same as the pipe diameter and does not play a throttling role. The spectacle blind is easy to use. When isolation is required, the blind end is used. When normal operation is required, the throttling ring end is used. At the same time, it can also be used to fill the installation gap of the blind on the pipeline. Another feature is that the identification is obvious and it is easy to identify the installation status.
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