API SPEC 5L / API 5CT
API 5CT -Specification 5CT/ISO 11960, Machulukidwe a casing ndi chubu, Edition yachisanu ndi chitatu, mafakitale amafuta ndi gasi - mapaipi achitsulo kuti agwiritsidwe ntchito ngati posungira kapena machubu a zitsime.
Kupatula ma casing ndi machubu, kumaphatikizanso zolumikizana ndi ana, zida zolumikizira, ndi zida zowonjezera, ndikukhazikitsa zofunikira pamilingo itatu yazinthu (PSL-1, PSL-2, PSL-3).
Zofunikira pa PSL-1 ndiye maziko a muyezo uwu
Diameter Yakunja 4-1/2"-20"(114. 3-508MM)
API 5CT / ISO 11960
Makulidwe a khoma: 1.0mm-30mm
API SPEC 5DP
API SPEC 5DP Imatanthawuza zaukadaulo wamapaipi obowola zitsulo okhala ndi malekezero osokonezeka a chitoliro ndi zolumikizira zida zowotcherera kuti zigwiritsidwe ntchito pobowola ndi kupanga m'mafakitale amafuta ndi gasi pamilingo itatu yofunikira (PSL-1, PSL- 2, PSL-3) PSL-1 imatanthawuza makulidwe a khoma, kulimba kwamphamvu ndi zokolola zofunikira makamaka pagulu lazinthu.
Kalasi E75, X95, G105, S13
API5L GR.B
API5B, mafotokozedwe a ulusi, kuwerengera ndi kuwunika kwa ulusi wa machubu a casing ndi ulusi wa mapaipi a mzere, izi zimaphatikiza miyeso, kulolerana ndi zofunikira pakuyika pa ulusi wa API ndi ma geji omwe amawongolera njira zolandirira ulusi, ma geji a ulusi, zida ndi zofunikira za kuyang'ana kwa ulusi wa chitoliro cha mzere, choyikapo ulusi wopindika ndi zolumikizira za buttress casing zikuphatikizidwa.
