High-pressure alloy steel flanges are connected to the tube or cylinder, the end of the head of a circle of discs, the disk evenly distributed several bolt holes, and the material is a high-pressure alloy, is the pipe or container for detachable connection when the most commonly used important parts.
A certain nominal diameter of the container flange applicable to a certain nominal diameter of the container, the same, a certain nominal diameter pipe flanges for a certain nominal diameter pipes, fittings. Therefore the same nominal diameter of the container flange and pipe flange size is not the same. They cannot be substituted for each other. Use pipe flange when using tube as container.
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