he aha ke ʻano o nā acronyms IPS, NPS, ID, DN, NB, SCH, SRL, DRL?

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 maʻamau hoʻokahi", DRL no "ka lōʻihi pālua pālua"

He 5 a me 7 mika ka lōʻihi o nā paipu SRL (ʻo ia hoʻi, "random").

b.DRL paipu i kekahi maoli lōʻihi ma waena o 11-13 mika.


Ka manawa hoʻouna: ʻAukake-16-2020