Large flange is a disk-shaped parts, the most common projects in the pipeline, flanges are used in pairs. In the pipeline project, the flange is mainly used to connect pipes. In the pipeline need to be connected, and a variety of mounting a flange, low-pressure pipe can be used silk flange, four kilograms more than the use of pressure welding flanges. Between the two flanges sealing points, and fastened with bolts. The flanges have different pressures and different thicknesses using different bolts. Pumps and valves, and pipe connections in the local these facilities and equipment, but also made the corresponding flange shape, also known as the flange connection. All in two planes at the same time surrounding the use of bolted connections closed flange butterfly mounds parts production base, generally known as the "flange", such as ventilation pipe connections, this type of parts can be called a "flange parts. . " But this is only a partial connection equipment, such as pumps and flange connections, bad water pump called "flange parts." Relatively small, such as valves, flanges butterfly Hebei professional production, can be called "flange parts." Flange in one, and to promote the widespread use of flanged valve in the machinery industry, users get the praise and favor. Extensive use of welded flange, determined by using a range of different characteristics, used under medium conditions are relatively mild conditions, such as low-voltage non-purify compressed air, low pressure circulating water, it has the advantage of cheaper prices. Welded flanges for nominal pressure of not more than 2.5MPa pipe connections, welded flange sealing surface can be made smooth style, bump style and tenon slot three. Welded flange smooth application of the maximum, the other two methods in the use of welded flange is relatively common. Welded flange production levels and the technical requirements should be consistent with the corresponding requirements JB4726-4728, according to certain standards of production and processing, to ensure the production and processing of products meet national quality standards. [Butterfly] flange, flange butterfly mounds production base, the supply provided by Hebei Hebei Cathay Cathay. Welcome to consult Hebei Cathay Pacific Pipeline Equipment Co. (www.hbgtgd.com), be sure to specify when contact is through the "Business Alliance Member" see, thank you! Contact: Liu