Mɛni ji CV sɛɛnamɔ lɛ shishi? Te afeɔ tɛŋŋ ahalaa valve ni kudɔɔ nii kɛtsɔ Cv sɛɛnamɔ nɔ?

Invalvtsɔne he nilee, Cv jara (Flow Coefficient) ni kudɔɔ lɛvalvtsɔɔ volume flow rate loo mass flow rate ni yɔɔ paipii lɛ mli kɛtsɔɔ valve lɛ mli yɛ unit time mli kɛ kaa shihilɛi lɛ ashishi beni akɛ paipii lɛ toɔ he ko ni tsiimɔ yaa nɔ daa lɛ. No ji, bɔ ni valve lɛ nyɛɔ etsɔɔ nu lɛ.

Babaoo ni flow coefficient value lɛ yaa hiɛ lɛ, babaoo ni nɔnyɛɛ ni laajeɔ lɛ baa shi beni nu lɛ hoɔ kɛtsɔɔ...valv.

Esa akɛ atsɔ kaa kɛ akɔntaabuu nɔ ana Cv value ni yɔɔ valve lɛ mli lɛ.

CV lɛvaliuji ŋaa gbɛ nɔ nɔ ko ni he hiaa waa ni susuɔ bɔ ni valve ni kudɔɔ nu lɛ nyɛɔ etsɔɔ mli yɛ shihilɛi pɔtɛɛ komɛi amli lɛ he. Jeee akɛ CV sɛɛnamɔ lɛ tsɔɔ bɔ ni valve lɛ diɛŋtsɛ tsuɔ nii eha pɛ, shi moŋ ekɛ bɔ ni ato nu lɛ he gbɛjianɔ aha kɛ bɔ ni etsuɔ ​​nii jogbaŋŋ ehaa lɛ hu yɔɔ tsakpaa tɛ̃ɛ.

Bei pii lɛ, shishitsɔɔmɔ lɛ damɔ shihilɛi ni nyiɛ sɛɛ nɛɛ anɔ: thevalvlɛ mli egbele kwraa, srɔtofeemɔ ni yɔɔ mli lɛ ji 1 lb/in2 (loo 7KPa) yɛ naagbee lɛ, ni nu lɛ ji nu ni mli tse ni ji 60°F (15.6°C), yɛ nakai beaŋ lɛ nu lɛ falɛ (yɛ U.S. gallon mli) ni hoɔ kɛtsɔɔ valve lɛ mli yɛ minitii kome mli lɛ ji valve lɛ Cv sɛɛnamɔ. Esa akɛ akadi akɛ, bei pii lɛ, atsɔɔ flow coefficient ni yɔɔ China lɛ shishi yɛ mɛtrik gbɛjianɔtoo lɛ mli, kɛ okadi ni ji Kv, ni wekukpaa ni yɔɔ Cv sɛɛnamɔ lɛ teŋ lɛ ji Cv=1.156Kv.

Bɔ ni aaafee ale valve ko calibre kɛtsɔ Cv sɛɛnamɔ lɛ nɔ

1. Buu CV sɛɛnamɔ ni otaoɔ lɛ he akɔntaa:

Taakɛ nu lɛ nɔkwɛmɔ gbɛjianɔtoo lɛ taomɔ nii pɔtɛɛi lɛ tsɔɔ lɛ, tamɔ nu ni hoɔ, srɔtofeemɔ ni yɔɔ mli, teŋgbɛ kɛ shihilɛi krokomɛi lɛ, abuɔ Cv sɛɛnamɔ ni he hiaa lɛ he akɔntaa kɛtsɔ fɔmula loo tsɔne ni kɛ lɛ kpãa gbee lɛ nɔ. Nɛkɛ gbɛ nɛɛ susuɔ nibii tamɔ bɔ ni nu lɛ yɔɔ ha (tamɔ, bɔ ni eyɔɔ ŋmɔlɔŋmɔlɔ, bɔ ni eyɔɔ ŋmɔlɔŋmɔlɔ), bɔ ni etsuɔ ​​nii ehaa (tamɔ, bɔ ni etsuɔ ​​nii ehaa, bɔ ni eyɔɔ ŋmɔlɔŋmɔlɔ), kɛ he ni valve lɛ yɔɔ lɛ he.

2. Halamɔ valve lɛ sɛɛgbɛ ni sa:

Taakɛ Cv sɛɛnamɔ ni ataoɔ ni abu he akɔntaa kɛ Cv sɛɛnamɔ ni ato he gbɛjianɔ yɛ valve lɛ he lɛ, ahalaa valve lɛ sɛɛgbɛ ni sa. Esa akɛ Cv sɛɛnamɔ ni ato he gbɛjianɔ yɛ valve ni ahala lɛ mli lɛ kɛ Cv sɛɛnamɔ ni ataoɔ lɛ afee ekome loo efee nɔ ni fe nakai fioo koni valve lɛ anyɛ atsu nu ni hoɔ diɛŋtsɛ lɛ he nii. Yɛ nakai beaŋ nɔŋŋ lɛ, ehe miihia ni asusu nibii krokomɛi hu ahe tamɔ nibii ni akɛfee, bɔ ni afee lɛ aha, bɔ ni atswaa tsɔne lɛ ahaa, kɛ bɔ ni etsuɔ ​​nii ehaa lɛ koni tsɔne lɛ nitsumɔ fɛɛ lɛ kɛ gbɛjianɔtoo lɛ taomɔ nii lɛ akpã gbee.

3. Nɔmimaa kɛ Tsakemɔ:

Yɛ shishijee halamɔ ni ji...valvcaliber lɛ, esa akɛ afee nɔmimaa kɛ tsakemɔ ni he hiaa lɛ. Nɔ ni fata enɛ he ji ni akwɛ akɛ valve lɛ mli nu lɛ nitsumɔ lɛ kɛ gbɛjianɔtoo lɛ taomɔ nii lɛ kpãa gbee kɛtsɔ simulation akɔntaabuu loo jeŋ muu fɛɛ kaa nɔ. Kɛji akɛ ana sɛɛkuu wulu ko lɛ, ekolɛ ehe baahia ni abu Cv sɛɛnamɔ lɛ he akɔntaa ekoŋŋ loo atsake valve lɛ sɛɛgbɛ.

Sɛɛfoo

Yɛ tsu ko mli nu ni akɛhaa lɛ mli lɛ, kɛji akɛ valve ni kudɔɔ nu lɛ eshɛɛɛ CV sɛɛnamɔ ni ataoɔ lɛ he lɛ, nu pɔmp lɛ baanyɛ aje shishi ni ekpa shii abɔ loo etsu nii kɛ jatsu ni tsii be fɛɛ be. Jeee akɛ enɛ ji srawa hewalɛ ni afiteɔ kɛkɛ, shi moŋ yɛ tsɔne lɛ mli hewalɛ ni tsakeɔ shii abɔ lɛ hewɔ lɛ, ebaanyɛ eha paipii lɛ amli tsɔnei lɛ afee mlɛo, nu ajɛ mli, ni ebaanyɛ efite pɔmp lɛ po yɛ tsɔne ni akɛwoɔ mli fe nine be kakadaŋŋ lɛ hewɔ.

Yɛ kukufoo mli lɛ, Cv sɛɛnamɔ ni yɔɔ valve ni kudɔɔ nii lɛ mli lɛ ji nɔ ko ni he hiaa ni akɛsusuɔ bɔ ni ekɛ nu lɛ hoɔ ehaa lɛ he. Kɛtsɔ Cv jara lɛ he akɔntaabuu ni ja kɛ valve caliber ni sa ni damɔ nɔ lɛ nɔ lɛ nɔ lɛ, abaanyɛ ana bɔ ni nu lɛ nɔkwɛmɔ gbɛjianɔtoo lɛ damɔ shi shiŋŋ ni etsuɔ ​​nii jogbaŋŋ ehaa. No hewɔ lɛ, yɛ valve halamɔ, gbɛjianɔtoo lɛ he mfonirifeemɔ kɛ nitsumɔ mli nitsumɔ mli lɛ, esa akɛ akɛ jwɛŋmɔ fɛɛ ama Cv jara lɛ he akɔntaabuu kɛ ekɛ nitsumɔ nɔ.

Tianjin Tanggu Nu-She Valve Co.,ltdtitri lɛ, amɛjieɔ mɛi ni nyɛɔ amɛshiɔ shiŋmei valve, shinaa lɛ naa valve, Y-fɔmɔ nii, valve ni akɛtoɔ he, kwɛmɔ valve, valve ni akɛtoɔ he, nɔ ni tsiɔ sɛɛ hoɔ naa kɛ ekrokomɛi.