Mefuta e fapaneng ea ho tjheseletsa: li-welds tse bataletseng li ke ke tsa hlahlojoa ka radiography, empa li-welds tsa butt li ka hlahlojoa ka radiography. Fillet welding e sebelisetsoa ho tjheseletsa sepharaflangesleflanges, ha girth welding e sebelisoa bakeng sabutt welding flangesle lipeipi. Weld e bataletseng ke li-weld tse peli tsa fillet le butt weld ke the butt weld.
Phapang pakeng tsa thotaflange e cheselitsoengka molala leplain welded flangentle le molala ke hore ho na le ho fetali-flange tse otlolohilengka molala hofetaflangesntle le ho tjheseletsa molala karolong e tjheseditsweng ya phala. Aflange welded flangentle le molala ke aflange e sephara, 'me mookameli ea se nang flange ke fillet e sephara. The tjheseletsa pakeng tsa molala butt welding flange le lenonyello le amohelang ke B weld.

The weld between themolala o sephara flange'me motsoako o amohelang ke oa motsoako oa C,' me tlhahlobo e sa senyeheng ka mor'a ho tjheseletsa e fapane. Bapisa phapang pakeng tsaflange welding e sepharale butt welding flange. Thepa e tala e fapane: thepa e tala ea molala flat welding flange e sebetsoa ho tloha poleiti e tloaelehileng ea tšepe, 'me botenya ba eona bo ka finyella litlhoko. Lisebelisoa tse tala tsa butt welding flange tse nang le molala hangata li sebetsoa ho tsoa likarolong tsa tšepe tse entsoeng.
Khatello ea lebitso e fapane: khatello ea lebitso la molala o bataletseng oa welding flange ke 0.6 -- 4.0MPa, ha khatello ea lebitso la molala butt welding flange ke 1--25MPa. Ho hlakile hore boemo ba khatello ea kopo ea molala o bataletseng oa welded flange o tlase. Mekhoa e fapaneng ea ho hokahanya: Phapang ea sebopeho pakeng tsa li-flange tsa welding tsa molala le li-flange tsa welding ke hore moamoheli le flange li hokahane ka tsela e fapaneng. Li-flange tse cheselitsoeng ka molala hangata ke mohatla le likhokahano tsa li-angle tsa flange, ha li-flange tse cheselitsoeng ka molala e le li-flange le manonyeletso a marako.