API 7K UC-3 NGĀ PAE WHAKAPĀNGA Utauta whakahaere paipa
Ko ngā Kirikiri Āpiti momo UC-3 he kirikiri maha-wāhanga me te whānui o ngā kirikiri whakarara 3 inihi/putu (haunga te rahi 8 5/8"). Ka pēhia kia ōrite te kaha o ia wāhanga o te kirikiri kotahi i te wā e mahi ana. Nō reira ka taea e te kirikiri te pupuri i te āhua pai ake. Me mahi tahi me ngā pungawerewere me ngā peihana whakauru me te whakarara kotahi. Kua hoahoatia, kua hangaia hoki ngā kirikiri kia rite ki te API Spec 7K.
Ngā Tawhā Hangarau
| Te Whakatakoto OD | Whakatakotoranga o te tinana | ToTe maha o ngā wāhanga | Taute nama o te Whakauru | Whakaiti | Taupoki Whakatauria (Tana Poto) | |
| in | mm | |||||
| 7 | 177.8 | 8 5/8 | 10 | 10 | 1:3 | 250 |
| 7 5/8 | 193.7 | |||||
| 8 5/8 | 219.1 | |||||
| 9 | 228.6 | 10 3/4 | 10 | 10 | 1:4 | |
| 9 5/8 | 244.5 | |||||
| 10 3/4 | 273.1 | |||||
| 11 3/4 | 298.5 | 13 3/8 | 10 | 12 | ||
| 12 3/4 | 323.9 | |||||
| 13 3/8 | 339.7 | |||||
| 16 | 406.4 | He rite tonu ki te 13 3/8 | 14 | 14 | ||
| 18 5/8 | 273.1 | 17 | 17 | |||
| 20 | 508 | 17 | 17 | |||
| 22 1/2 | 571.5 | 19 | 19 | |||
| 24 | 609.6 | 19 | 19 | |||
| 26 | 660.4 | 21 | 21 | |||
| 30 | 762 | 24 | 24 | |||
| 36 | 914.4 | 28 | 28 | |||
| 42 | 1066.8 | 32 | 32 | |||
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