按照连接方式法兰连接种类可分为：板式平焊法兰、带颈平焊法兰、带颈对焊法兰、承插焊法兰、螺纹法兰、法兰盖、带颈对焊环松套法兰、平焊环松套法兰、环槽面法兰及法兰盖、大直径平板法兰、大直径高颈法兰、八字盲板、对焊环松套法兰等。
According to the type of flange connection can be divided into: plate flange, flange with neck welding, flange with neck butt welding, socket welding flange, threaded flange, flange cover, flange with neck butt welding ring loose sleeve flange, flat welding ring loose sleeve flange, ring groove flange and flange cover, large diameter flat flange, large diameter high neck flange, eight-character blindness Plate, butt welding ring, loose flange, etc.