1. Ho cheselletsa sephara:feela tjheseletsa lera le ka ntle, ntle le tjheseletsa lera ka hare; Ka kakaretso e sebelisoa liphaepheng tsa khatello e mahareng le e tlase, khatello ea lebitso la phaephe e ka tlase ho 0.25mpa. Ho na le mefuta e meraro ea ho tiisa bokaholimo basephara se tjheseletsa flange, e leng mofuta o boreleli, mofuta oa concave le convex le mofuta oa tenon groove. Har'a tsona, mofuta o boreleli ke oona o sebelisoang ka ho fetisisa, 'me theko e theko e tlaase ebile e theko e tlaase.
2. Ho cheselletsa butt:likarolo tse ka hare le ka ntle tsaflangee lokela ho chesetsoa, ​​​​ka kakaretso e sebelisoe liphaepheng tse mahareng le tse phahameng, 'me khatello ea lebitso la phaephe e pakeng tsa 0.25 ~ 2.5mpa. Sebaka sa tiiso satjheseletsa flangekhokahanyo e concave le convex, 'me ho kenya ho rarahane ho feta, kahoo litšenyehelo tsa basebetsi, mokhoa oa ho kenya le litšenyehelo tsa thepa e thusang li batla li phahame.

3. Socket welding:e sebelisoang ka kakaretso bakeng sa khatello ea lebitso e ka tlase kapa e lekana le 10.0MPa, bophara ba lebitso bo ka tlase ho kapa bo lekana le 40mm pompong.
4. Sekoahelo se hlephileng: Ka kakaretso e sebelisoa liphaepheng tse nang le khatello e tlase empa e senya, kahoo mofuta ona oa flange o na le khanyetso e matla ea ho senya, 'me thepa ke tšepe e sa hloekang.
Mofuta ona oa ho hokahanya o sebelisoa haholo-holo bakeng sa ho hokahanya phala ea tšepe e entsoeng ka tšepe, hose ea bushing, phala ea tšepe e seng ea tšepe le.valve ea flange, joalo-joalo, 'me khokahanyo ea lisebelisoa tsa tshebetso le flange li boetse li amana le flange.