Ka whakarōpūtia ngā paipa maitai waro o te Wāhanga 40 i runga i te huinga o ngā āhuatanga tae atu ki te ōwehenga diameter-ki-te matotoru o te pakitara, te kaha o te rauemi, te diameter o waho, te matotoru o te pakitara, me te kaha pēhanga.
Ko te tohu o te rārangi mahi, pērā i te Rārangi Mahi 40, e whakaata ana i tētahi huinga motuhake o ēnei āhuatanga. Mō ngā paipa Rārangi Mahi 40, he matotoru pakitara waenga te nuinga, e taurite ana i waenga i te kaha me te taumaha. Ka rerekē te taumaha o te paipa i runga i ngā āhuatanga pēnei i te kounga motuhake o te maitai waro e whakamahia ana, te whānui, me te matotoru pakitara.
Ka pā te tāpiri waro ki te maitai ki te taumaha, ā, ko te nui ake o te waro ka hua ake he mama ake ngā paipa. Heoi anō, he mea nui anō hoki te matotoru me te whānui o te pakitara ki te whakatau i te taumaha.
E kiia ana te Wāhanga 40 he akomanga pēhanga reo, he pai mō ngā tono maha e hiahiatia ana ngā whakatauranga pēhanga reo. Mena kei te hiahia koe ki ētahi atu kōrero taipitopito, āwhina rānei e pā ana ki ngā paipa maitai waro Wāhanga 40, tēnā whakapā mai ki a mātou mō ētahi atu āwhina.
Whakatakotoranga o te Paipa Rino Waro Āpitihanga 40
| Rahi ingoa | DN | Diameter o waho | Diameter o waho | te matotoru o te hōtaka 40 | |
| Te matotoru o te pakitara | Te matotoru o te pakitara | ||||
| [inihi] | [inihi] | [mm] | [inihi] | [mm] | |
| 1/2 | 15 | 0.84 | 21.3 | 0.109 | 2.77 |
| 3/4 | 20 | 1.05 | 26.7 | 0.113 | 2.87 |
| 1 | 25 | 1.315 | 33.4 | 0.133 | 3.38 |
| 1 1/4 | 32 | 1.66 | 42.2 | 0.14 | 3.56 |
| 1 1/2 | 40 | 1.9 | 48.3 | 0.145 | 3.68 |
| 2 | 50 | 2.375 | 60.3 | 0.154 | 3.91 |
| 2 1/2 | 65 | 2.875 | 73 | 0.203 | 5.16 |
| 3 | 80 | 3.5 | 88.9 | 0.216 | 5.49 |
| 3 1/2 | 90 | 4 | 101.6 | 0.226 | 5.74 |
| 4 | 100 | 4.5 | 114.3 | 0.237 | 6.02 |
| 5 | 125 | 5.563 | 141.3 | 0.258 | 6.55 |
| 6 | 150 | 6.625 | 168.3 | 0.28 | 7.11 |
| 8 | 200 | 8.625 | 219.1 | 0.322 | 8.18 |
| 10 | 250 | 10.75 | 273 | 0.365 | 9.27 |
Ko te paipa maitai waro o te Wāhanga 40 he tohu rahi paipa paerewa e whakamahia ana i roto i te umanga hanga. E pā ana ki te matotoru o te pakitara paipa, ā, he wāhanga o tētahi pūnaha paerewa e whakamahia ana hei whakarōpū i ngā paipa i runga i te matotoru o te pakitara me te kaha pēhanga.
I roto i te pūnaha Āpitihanga 40:
- Ko te "Rārangi Whakarite" e pā ana ki te matotoru o te pakitara o te paipa.
- Ko te "waro maitai" e tohu ana i te hanganga rauemi o te paipa, ko te waro me te rino te nuinga.
E whakamahia whānuitia ana ngā paipa maitai waro o te Wāhanga 40 mō ngā momo mahi maha, tae atu ki te kawe wai me te hau, te tautoko hanganga, me ngā mahi ahumahi whānui. E mōhiotia ana mō tō rātou kaha, tō rātou pakari, me te maha o ngā whakamahinga, ā, he mea rongonui ēnei mō ngā kaupapa hanga me te hangarau maha.
Te Hanganga Matū o te Paipa Rino Waro o te Wāhanga 40
Ka whakaritea he matotoru kua whakaritea mō te Āpitihanga 40, ahakoa te momo, te hanganga rānei o te maitai i whakamahia.
| Taumata A | Taumata B | |
| C, mōrahi % | 0.25 | 0.3 |
| Mn, mōrahi % | 0.95 | 1.2 |
| P, ōrau mōrahi | 0.05 | 0.05 |
| S, mōrahi % | 0.045 | 0.045 |
| Kaha kume, min [MPa] | 330 | 415 |
| Kaha tuku, min [MPa] | 205 | 240 |
Wā tuku: Mei-24-2024