Haɗin flangeshine gyara bututu biyu, kayan aikin bututu ko kayan aiki bi da bi akan aflangeplate, daflangeana ƙara kushin tsakanin ɓangarorin biyu, waɗanda aka ɗaure tare da kusoshi don kammala haɗin gwiwa.Wasu kayan aikin bututu da kayan aiki suna da nasuflanges, wanda kumaflangehaɗi.Flangehaɗi shine yanayin haɗi mai mahimmanci a cikin ginin bututun.Flangehaɗi yana da sauƙin amfani kuma yana iya jure babban matsa lamba.Flangeana amfani da haɗin kai sosai a cikin bututun masana'antu.A cikin gida, diamita na bututu yana da ƙananan, kuma ƙananan matsa lamba, babu haɗin flange da ake gani.Idan kuna cikin ɗakin tukunyar jirgi ko wurin samarwa, akwaiflangedbututu da kayan aiki a ko'ina.
A cewar hukumarflange danganeAna iya raba nau'ikan haɗin kai zuwa:farantin lebur waldi flange, tare da lebur waldi wuyansa flange, butt waldi wuyansa flange, socket waldi flange, threaded flange, flange cover, tare da wuyansa butt waldi zobe flange, zobe lebur waldi flange zo sako-sako da, zobe tsagi surface flange, flange cover, babban diamita. Flange farantin, babban diamita high makafi flange, butt waldi wuyan flange, takwas kalmomi zobe flange,da dai sauransu.