1. Lebur waldi: kawai waldi na waje Layer, ba bukatar weld na ciki Layer;Gabaɗaya ana amfani da su a cikin matsakaita da ƙananan bututun matsa lamba, matsa lamba na kayan aikin bututu yakamata ya zama ƙasa da 2.5mpa.Akwai nau'i uku na sealing surface na lebur waldi flange, bi da bi santsi irin, concave da convex irin da tenon tsagi irin, wanda aka yadu amfani da santsi irin, da araha, kudin-tasiri.
2. Walda na gindi:ciki da waje yadudduka naflangekamata a welded.Ana amfani da shi gabaɗaya don matsakaita da babban matsa lamba, kuma matsa lamba na bututun yana tsakanin 0.25 da 2.5MPa.The sealing surface na butt waldi flange dangane ne concave-convex, shigarwa ne mafi hadaddun, don haka da aiki kudin, shigarwa Hanyar da karin kayan kudin ne in mun gwada da high.
3. Socket waldi: gabaɗaya ana amfani dashi don bututu tare da matsa lamba mara nauyi ƙasa da ko daidai da 10.0mpa da diamita mara kyau ƙasa da ko daidai da 40mm.
4. Sako da hannun riga: gabaɗaya ana amfani dashi don matsa lamba ba mai girma bane amma matsakaici ya fi lalacewa a cikin bututun, don haka irin wannan flange yana da juriya mai ƙarfi, kayan galibi bakin karfe ne.

Ana amfani da irin wannan nau'in haɗin don haɗa bututun ƙarfe na ƙarfe, bututu mai rufi na roba, bututun ƙarfe mara ƙarfe da bawul ɗin bawul, da dai sauransu, ana amfani da haɗin kayan aiki da flange kuma ana amfani dashi.flangehaɗi.
Tsarin haɗin flange shine kamar haka: Haɗin flange da bututu yakamata su dace da buƙatun masu zuwa:
1. Cibiyar bututu daflangekamata ya yi a kan matakin daya.
2. The sealing surface na bututu cibiyar da flange ne 90 digiri a tsaye.
3. Matsayinflangekusoshi a kan bututu ya zama daidai.