Ngā Momo Paipa Rino Waro
Ka taea te whakarōpū i ngā paipa maitai waro i runga i ā rātou tikanga hanga penei:
1. Paipa Rino Kore-Tuitui (SMLS)
- I hangaia mā te wero i tētahi pire totoka ka whakapūtā ki roto i tētahi ngongo tuwhera.
- Kāore he hononga whakarewa, he kaha ake i raro i te pēhanga teitei.
- Ngā Whakamahinga: Hinu/hau pēhanga teitei, ngā poiha, ngā pūnaha waipēhi.
2. Paipa Rino Whakarewahia
(a) Paipa ERW (Hiko Ātete-Whakapiri)
- I hangaia mā te hurihuri i te rīpene maitai me te whakarewa i ngā taha mā te whakamahi i te ātete hiko.
- He tuitui tika, he iti te utu.
- Ngā Whakamahinga: Ngā paipa wai/hau, ngā whakamahinga hanganga.
(b) Paipa LSAW (Whakapirihia te Porowhita Roa)
- I hangaia mā te whakapiko me te whakarewa i ngā pereti maitai kia roa (tukanga SAW).
- Kotahi te tuitui tika, e whakamahia ana mō ngā diameter nui.
- Ngā Whakamahinga: Te tuku hinu/hau, ngā paipa tai.
(c) Paipa SSAW (Spiral Submerged Arc Welded)
- I hangaia mā te takai porowhita i te rīpene maitai, me te whakarewa me te pewa i raro i te wai.
- He hononga porotaka, he pai ake te tohatoha ahotea.
- Ngā Whakamahinga: Ngā paipa whānui-rahi, te whakapuru pou.
Ngā Paerewa Paipa Rino Waro
| Momo | Tukanga | Āhuatanga Matua | Ngā Paerewa Noa |
|---|---|---|---|
| Tuitui kore | Te whakaputanga wera, te tuhi matao | Kāore he whakarewa, he kaha teitei | ASTM A106, API 5L, ASTM A252 |
| ERW | Te whakarewa ātete hiko | Tuitui tika, he utu iti | ASTM A53 (E), EN 10255, EN10219, BS1387 |
| LSAW | Te whakarewa pewa whakaroa i raro i te wai | He matotoru te pakitara, he whānui te whānui | API 5L, ASTM A671, ASTM A252 |
| SSAW | Whakarewa pewa porowhita i raro i te wai | Tuitui porowhita, ātete ki te ahotea | API 5L, ASTM A252 |
Te wā tuku: Hurae-18-2025