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API 5CT L80 / N80 / J55 / K55 Umuyoboro wa BTC
Ibipimo bya API SPEC 5CT 、 API SPEC 5B 、 ISO11960 tubing Gusaba: Byakoreshejwe mu gutwara peteroli na gaze gasanzwe biva mumavuta na gaze hejuru yubutaka nyuma yo gucukura birangiye bigamije guhangana nigitutu cyatewe mugihe cyamabuye y'agaciro kandi gifite diameter yo hanze ya2-3/8 ”kugeza 4-1 / 2.
Gusaba: gukoreshwa nk'urukuta rwa peteroli na gaze Iriba. Ingano: 4-1 / 2 ”—20”
Ibyiciro byingenzi byumuyoboro wibyuma ： J55, K55, N80-1 N80-Q
