Friajibụ akụkụ diski diski a na-ejikarị ya.FriajiA na-eji ya na abụọ na-ejikọfriajina valves. Na injinụ pipeline,friajiA na-ejikarị maka njikọ nke pipelones. Na mkpa ijikọ pipeline, ụdị nrụnye niile nke flage, nke dị ala nwere ike iji wayaflige, Ojiji nke ịgbakwunye Flipp karịa kilogram 4 kilogram. Tinye akara gabit n'etiti abụọfriaji, wee mechie bolt.FriajiSite na nrụgide dị iche iche nwere oke ọkpụrụkpụ dị iche iche ma jiri bolts dị iche iche.

E jiri ya tụnyere carbon ígwè, igwe anaghị agba nchara nwere njirimara ndị a:
1) Ọnụ ọgụgụ dị elu na-adịghị mma, ihe dị ka ugboro ise nke eriri carbon.
2) nnukwu linear na-eto eto, 40% buru ibu karịa igwe carbon, na mmụba nke okpomọkụ, na-etolite etolite na-eto eto na-abawanye uru.
3) Ọnọdụ ọkụ ọkụ dị ala, ihe dị ka 1/3 nke carbon ígwè.
Mara:
1. Iji gbochie corrosion n'etiti anya n'ihi kpo oku nke flage, arc na-erughị 20% na-ajụkarị eriri carbon, na eriri dị warara dabara adaba kwesịrị ekwesị.
2. Ekwesịrị idowe electrode ahụ mgbe ejiri ya mee ihe, ụdị titanium, ma ọ bụ na ọ bụghị iji gbochie mmanụ eletrik nke ịgbadobe ihe na-agbado.

3.fligePhite na-agbakwunye, site na ikpo ọkụ carbiditation, belata nguzogide na njikwa arụ ọrụ.
4. ChromefligeNgwakọta mgbe ị na-emegharị ike ịgbado egwu America ọkọlọtọ buru ibu buru ibu, dị mfe ịgbaji. Ọ bụrụ na otu chromium anaghị agba nchara (G202, g207), ga-arụ ọrụ dị n'elu 300 ℃ ihe dị ka 700 ℃ mgbe ị na-agbado ọgwụgwọ na-adịghị mma. Ọ bụrụ na enweghị ike ịgwọ ndị ahụ anya mgbe ịgbado ọkụ, ọkpọkọ eletrik (A107, A207) ga-eji.
5.flige, iji meziwanye nguzogide na weldability ma bulie ego nke nkwụsi ike nke ta, nb, mo, wdg., Wardabible dị mma karịa chrome flange. Mgbe ị na-eji otu chromium flangel (g302, g307), ọ ga-abụ preheated n'elu 200 ℃ na iwe mgbe ị na-agbari ihe dị ka 800 ℃. Ọ bụrụ na ndị ahụ agaghị enwe ike ịgwọ ọrịa, ọkụ na-agbakwunye ngwa mgbakwunye (A107, A207).
6.GbajieFIPTINGHITING, BYTINDfligeElectrode nwere ezigbo nguzogide na ndọgide oxidation, eji ọtụtụ nri, fatịlaịza, mmanụ na-arụ ọrụ.