Cangzhou Hangsheng Flange&pipeline equipment Co.,Ltd
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Large diameter flange common flange has flat welding flange and butt weld ends. In real production and sales, is much accounted for the proportion of flat welding products. Flat welding of large diameter flange and butt welding of large diameter flange structure and use of the range is different, can show the characteristics and advantages of also will be different, so when use should be used according to different range, ensure the flange play an important role. Large diameter of flat welding flange with poor rigidity, suitable for pressure p 4 mpa occasions or less; Butt welding flange is also called the high neck flange, large rigidity, suitable for the occasion of high pressure and temperature.