ʻO ka honua hoihoi o ka nui o ka paipu: acronyms IPS, NPS, ID, DN, NB, SCH, SRL, DRL mean?
ʻO 1.DN he huaʻōlelo ʻEulopa ʻo ia hoʻi "ke anawaena maʻamau", e like me NPS, ʻo DN nā manawa NPS 25 (laʻana NPS 4 = DN 4X25 = DN 100).
'O 2.NB 'o ia ho'i "nominal bore", 'o ia ho'i ka ID "internal diameter".
3. SRL A me DRL (Loihi Pipe)
ʻO SRL a me DRL nā huaʻōlelo pili i ka lōʻihi o nā paipu.Kū ʻo SRL no "ka lōʻihi like ʻole", DRL no "ka lōʻihi pālua pālua"
ʻO nā paipu a.SRL ka lōʻihi maoli ma waena o 5 a me 7 mau mika（ʻo ia hoʻi ka “random”).
b.DRL paipu i kekahi maoli lōʻihi ma waena o 11-13 mika.
Ka manawa hoʻouna: ʻAukake-16-2020