Kara Wiri-Paipa Pahekeheke me te Porowhita
He mea hanga te kara wiri mai i te AISI 4145H, i te maitai koranu hanganga hurihuri rānei, i tukatukahia kia rite ki te paerewa API SPEC 7.
I roto i te tukanga whakaputa katoa o te kara wiri, ka taea te whai i ngā raraunga whakamātautau o ia tūemi, mai i te wāhi mahi, te maimoatanga wera ki te miro honohono me ētahi atu tukanga hangahanga.
Ko te kimi i ngā kara wiri he rite tonu ki te paerewa API.
Ka whakapūkaratia ngā miro katoa ki te parahi, ki te parahi rānei, kia ātete ai ki te waikura, kia kore ai hoki e piri te miro o ngā miro taputapu.
Ka taea e tā mātou kamupene te tukatuka i ngā paheke me ngā awaawa ararewa i runga i te kara wiri kia rite ki ngā hiahia o te kaiwhakamahi.
Ngā Tawhā Hangarau：
| Tauira miro kara wiri | OD | ID | Roa mm | ||
| mm | in | mm | in | ||
| NC23-31 | 79.4 | 3-1/8 | 31.8 | 1-1/4 | 9150 |
| NC26-35 | 88.9 | 3-1/2 | 38.1 | 1 1/2 | 9150 |
| NC31-41(2-7/8IF) | 104.8 | 4-1/8 | 50.8 | 2 | 9150 |
| NC35-47 | 120.7 | 4-3/4 | 50.8 | 2 | 9150 |
| NC38-50(3-1/2IF) | 127.0 | 5 | 57.2 | 2-1/4 | 9150 |
| NC44-60 | 152.4 | 6 | 57.2 | 2-1/4 | 9150/9450 |
| NC44-60 | 152.4 | 6 | 71.4 | 2-13/16 | 9150/9450 |
| NC44-62 | 158.8 | 6-1/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-62(4IF) | 158.8 | 6-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-65(4IF) | 165.1 | 6-1/2 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-65(4IF) | 165.1 | 6-1/2 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-67(4IF) | 171.4 | 6-3/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-67(4-1/2IF) | 171.4 | 6-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-72(4-1/2IF) | 184.2 | 7-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-77 | 196.8 | 7-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-80 | 203.2 | 8 | 71.4 | 2-13/16 | 9150/9450 |
| 6-5/8REG | 209.6 | 8-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC61-90 | 228.6 | 9 | 71.4 | 2-13/16 | 9150/9450 |
| 7-5/8REG | 241.3 | 9-1/2 | 76.2 | 3 | 9150/9450 |
| NC70-97 | 247.6 | 9-3/4 | 76.2 | 3 | 9150/9450 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150/9450 |
| 8-5/8REG | 279.4 | 11 | 76.2 | 3 | 9140/9450 |
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