kedu ihe mkpọ okwu IPS, NPS, ID, DN, NB, SCH, SRL, DRL pụtara?

Ụwa na-adọrọ adọrọ nke nha ọkpọkọ: acronyms IPS, NPS, ID, DN, NB, SCH, SRL, DRL pụtara?

1.DN bụ okwu Europe nke pụtara "dayameta nkịtị", hà NPS, DN bụ oge NPS 25 (ihe atụ NPS 4 = DN 4X25 = DN 100).

2.NB pụtara "nominal bore",ID pụtara "internal diameter" ha bụ ma synonyms nke nominal pipe size(NPS).

3.SRL na DRL (Ọnọdụ ogologo)

SRL NA DRL bụ okwu metụtara ogologo ọkpọkọ. SRL na-anọchi anya "otu ogologo random", DRL maka "ogologo random okpukpu abụọ"

ọkpọkọ a.SRL nwere ogologo ọ bụla n'etiti 5 na 7 mita (ie "random").

b.DRL ọkpọkọ nwere ọ bụla n'ezie ogologo n'etiti 11-13 mita.


Oge nzipu: Ọgọst-16-2020