Bei pii lɛ, nanemɛi komɛi yɛ ni nuuu wekukpaa ni kã “DN”, “ .Φ" kɛ """. Ŋmɛnɛ, mafo wekukpaa ni kã amɛyi etɛ lɛ ateŋ lɛ mli kuku maha bo, kɛ hiɛnɔkamɔ akɛ maye mabua bo!
mɛni ji inchi” lɛ.
Inch (“) ji nɔ ko ni afɔɔ nitsumɔ yɛ Amerika gbɛjianɔtoo lɛ mli, tamɔ dade paipii, .valvɛi, flanges, elbows, pɔmpii, tee, kɛ ekrokomɛi, tamɔ nɔ ni atsɔɔ mli lɛ ji 10′′.
Inch (inch, ni afo mli kuku akɛ in.) shishi ji tsitsi yɛ Dutch mli, ni inch ji tsitsi lɛ kɛlɛ. Eji anɔkwale akɛ, esoro bɔ ni tsitsi lɛ sɛɛ tsɛɔ ha lɛ hu. Yɛ afii ohai 14 lɛ mli lɛ, Maŋtsɛ Edward II tswa “Mla naa Inch ni Akɛtoɔ He” lɛ he adafi. Nɔ ni ato he gbɛjianɔ ji akɛ, ŋmaa wuji etɛ ni ahala kɛjɛ barle toi lɛ ateŋ ni ato he gbɛjianɔ yɛ sɛɛ mli lɛ kɛlɛ ji inchi kome.
Nɔ ni fe fɛɛ lɛ, 1′′=2.54cm=25.4mm
Mɛni ji DN
DN ji nɔ ko ni akɛtsuɔ nii waa yɛ China kɛ Europa gbɛjianɔtoi amli, ni eji nɔ ko hu ni akɛkadiɔ paipii,valvɛi, flanges, nibii ni akɛwoɔ mli, kɛ pɔmpii, tamɔDN250.
DN tsɔɔ paipii lɛ mli ŋwɛi ŋta (ni ale lɛ hu akɛ ŋwɛi ŋta), kadimɔ: enɛ jeee kponɔgbɛ ŋta loo mligbɛ ŋta, shi moŋ kponɔgbɛ ŋta kɛ mligbɛ ŋta lɛ mlijaa, ni atsɛɔ lɛ mligbɛ ŋta lɛ mlijaa.
Meni niΦ
Φ ji nɔ ko ni afɔɔ namɔ, ni tsɔɔ paipii, loo tsitsii, dade kokroo kɛ nibii krokomɛi asɛɛgbɛ ŋwɛigbɛ.
No hewɔ lɛ mɛɛ tsakpaa yɔɔ amɛteŋ?
Klɛŋklɛŋ lɛ, shishinumɔi ni akɛ “”" kɛ “DN” kadiɔ lɛ miihe afee ekome. Amɛshishinumɔ titri ji nominal diameter, ni tsɔɔ nɛkɛ tsɔɔmɔ nɛɛ dalɛ, kɛ .Φ ji enyɔ lɛ fɛɛ ni akɛfee ekome.
nɔkwɛmɔnii
Akɛ nɔkwɛmɔnɔ lɛ, kɛji dade paipi ko ji DN600, kɛji akɛ akadi dade paipi kome too lɛ nɔŋŋ yɛ inch mli lɛ, ebafeɔ 24′′. Ani tsakpaa ko yɛ nibii enyɔ nɛɛ ateŋ?
Hetoo lɛ ji hɛɛ! Inch lɛ fɛɛ ji yibɔ ni ja ni akɛ 25 to he tɛ̃ɛ lɛ, ekɛ DN yeɔ egbɔ, tamɔ 1′′*25=DN25, 2′′*25=50, 4′′*25=DN100, kɛ ekrokomɛi. 1/2′′, 3/4′′, 1-1/4′′, 1-1/2′′, 2-1/2′′, 3-1/ 2′′ kɛ ekrokomɛi, anyɛɛɛ abu enɛɛmɛi ahe akɔntaa tamɔ nɛkɛ, shi akɔntaabuu lɛ ji nɔ ni miihe ashɛ nɔ kome, titri lɛ, sɛɛnamɔ ni atsɔɔ lɛ:
1/2"=DN15
3/4"=DN20
1-1/4"=DN32
1-1/2"=DN40
"=DN50
2-1/2"=DN65
"=DN80
Be ni akɛmajeɔ: Oflɔŋ-03-2023
