Ngā Paipa Rino Raina Raina
Kua hangaia ngā paipa rino kua whakakikoruatia ki te rapa hei whakamahi i roto i ngā momo mahi papu whakakoi. Ngā mahi pēnei i te tukunga mira, ngā papu pēhanga teitei, ngā raina para roa, ngā mahi papu paru taumaha me ngā paipa kaha. Kei ia pito he hiri rapa whakakoi kua whakapūmautia.
Ko te paipa rino rapa ātete-kakahu me te ātete-waikura he mea hanga mai i te paipa rino noa hei rauemi anga, ā, he rapa ātete-kakahu, ātete-waikura me te ātete-wera te āhua pai rawa atu hei paparanga whakapuru. He mea whakapakari tēnei e te hangarau motuhake me te piripiri mahi-teitei. Ko te nuinga o te wā e whakamahia ana i roto i te mahi whakarewa, te hiko, te ahumahi matū, te hinu, te waro, te sima me ētahi atu ahumahi. I roto i te mahi keri, he whānui te whakamahinga i roto i te pūnaha kawe para o te maina, te whakakī anō i te maina waro me ngā mara pūnaha paipa e pā ana. Ina koa, he tino pai te paipa mō te kawe i te pāmahana i waenga i te -50°C ki te +150°C, he ngāwari ki te kakahu me te waikura. Ka taea e tātou te whakanui ake i te matotoru o te pakitara i te kokonga paipa kia rite ki te hiahia o te kiritaki, kia roa ake ai te roa o te ratonga. I taua wā, ko te roa o te ratonga o te paipa rino rapa ka eke ki te 15-40 tau i te nuinga o te wā. Ka taea te huri i te paipa tata ki te 90 nekehanga i muri i te 6-8 tau o te ratonga. Ka taea e ia hurihanga te whakaroa i te roa o te mahi, ka taea te whakakikorua i te paipa rino ki te rapa mō ngā wā e toru ki te whā, ā, ka whakaitihia te whakamahinga o ngā utu.
Ngā wāhanga o te whakaritenga mō ngā paipa rapa-whakakikoruatia
| OD/mm | Te matotoru o te pakitara paipa/mm | Pēhanga mahi/MPa |
| 450 | 10~50 | 0~25.0 |
| 480 | 10~70 | 0~32.0 |
| 510 | 10~45 | 0~20.0 |
| 530 | 10~50 | 0~22.0 |
| 550 | 10~50 | 0~20.0 |
| 560 | 10~50 | 0~21.0 |
| 610 | 10~55 | 0~20.0 |
| 630 | 10~50 | 0~18.0 |
| 720 | 10~60 | 0~19.0 |
Ngā Āhuatanga Ā-tinana o te paipa rapa-rapa
| Taonga | Paerewa |
| Matotoru o te arai (MPa)≥ | 16.5 |
| Te arai me te angaanga 180° te kaha o te kiri (KN/m) ≥ | 8 |
| Te roa o te arai (%) ≥ | 550 |
| Kua totoro te arai o te arai (300%, MPa) ≥ | 4 |
| Ko te ngaronga o te ātete o te paparanga arai (cm³/1.61km) ≤ | 0.1 |
| Te pakeke o te arai (momo Sauer A) | 60±5 |
| Te tere o te huringa o te kaha o te koroheketanga wera o te arai (70℃ x 72 h, %) ≤ | 10 |
Ngā Āhuatanga
1. Hanganga Tino Pai
2. He pai te ātete ki te kakahu me te roa o te ora ratonga
3. He kaha teitei, he ātete pānga teitei
4. Ātete pai ki te waikura
5. Awhe pāmahana whānui
6. Hononga tere me te tāutanga ngāwari
