Mɛni ji ŋmei valve?

Lɛŋmei valvelɛ ji nɔ ni afee yɛ United States yɛ afi 1930 afii lɛ amli. Akɛba Japan yɛ afi 1950 afii lɛ amli, ni akɛtsuuu nii babaoo yɛ Japan kɛyashi afi 1960 afii lɛ amli. Akɛ ehe wooo mli yɛ mimaŋ lɛ mli kɛyashi afi 1970 afii lɛ amli. Nibii titri ni yɔɔ ŋmeii valves lɛ ahe ji: nitsumɔ torque bibioo, he bibioo ni akɛwoɔ mli kɛ shwiili ni tsiimɔ waaa. Kɛ akɛ DN1000 fee nɔkwɛmɔnɔ lɛ,...ŋmei valveji aaafee 2T, yɛ be mli nishinaa lɛ naa valveji aaafee 3.5T. Lɛŋmei valveeyɛ mlɛo akɛ akɛ tsɔne kudɔmɔ nibii srɔtoi baafata he, ni ehiɔ shi jogbaŋŋ ni anyɛɔ akɛ he fɔ̃ɔ nɔ. Nɔ ni ehiii ni yɔɔ ŋmɔtɔ ni akɛ rɔbɔt etswa lɛ he ji akɛ, kɛ́ akɛtsu nii kɛha throttling lɛ, cavitation baaba yɛ bɔ ni akɛtsuuu nii jogbaŋŋ lɛ hewɔ, ni no baaha rɔbɔt sɛi lɛ atse ni efite. No hewɔ lɛ, bɔ ni aaafee ahala lɛ jogbaŋŋ lɛ damɔ nitsumɔ shihilɛi lɛ anɔ. Wekukpaa ni kã ŋmei valve lɛ gbelemɔ kɛ bɔ ni nu lɛ hoɔ ehaa lɛ teŋ lɛ ji linear titri. Kɛ akɛtsu nii koni akɛkudɔ bɔ ni nu lɛ hoɔ ehaa lɛ, bɔ ni etsɔɔ mli ehaa lɛ hu kɛ bɔ ni paipii lɛ tsiɔ nu lɛ naa lɛ yɔɔ tsakpaa waa. Akɛ nɔkwɛmɔnɔ lɛ, kɛji akɛ valve caliber kɛ bɔ ni paipii enyɔ lɛ yɔɔ ha lɛ fɛɛ ji ekome, shi paipii lɛ mli nibii ni fiteɔ lɛ yɛ srɔto lɛ, valve lɛ mli nu ni hoɔ lɛ hu baafee srɔto kwraa. Kɛji akɛ valve lɛ yɛ shihilɛ ni mli wa waa mli lɛ, cavitation baanyɛ aba valve plɛte lɛ sɛɛ, ni baanyɛ afite valve lɛ. Akɛtsuɔ nii yɛ 15° kponɔgbɛ. Beni...ŋmei valvelɛ yɛ teŋgbɛ gbelemɔ lɛ mli, gbelemɔ su ni valve lɛ gbɔmɔtso lɛ kɛ ŋmei plɛte lɛ hiɛ naagbee lɛ feɔ lɛ yɛ valve lɛ shishigbɛ, ni shihilɛi srɔtoi feɔ yɛ afãi enyɔ lɛ fɛɛ. Butterfly plɛte lɛ hiɛ naagbee ni yɔɔ efã kome lɛ yaa he ni nu lɛ hoɔ yɛ lɛ, ni efã kroko lɛ hu yaa he ni nu lɛ hoɔ yɛ lɛ. No hewɔ lɛ, valve lɛ gbɔmɔtso lɛ kɛ valve lɛ plɛte ni yɔɔ fa kome lɛ feɔ ŋwɛi ŋta ni tamɔ nozzle, ni fa kroko lɛ tamɔ ŋta ni tamɔ throttle hole. Nozzle lɛ fã lɛ yɛ oyaiyeli babaoo fe throttle lɛ fã lɛ, ni nɔnyɛɛ ni ehiii baaba yɛ valve ni yɔɔ throttle lɛ fã lɛ shishi lɛ shishi, ni bei pii lɛ, rɔba ni akɛwoɔ mli lɛ baagbee shi. Nitsumɔ torque ni jiŋmei valveesoro lɛ yɛ gbɛi srɔtoi ni agbeleɔ kɛ gbɛtsɔɔmɔi ni yɔɔ valve lɛ mli lɛ hewɔ. Anyɛɛɛ aku hiɛ ashwie torque ni srɔtofeemɔ ni yɔɔ nu yitsei ni yɔɔ ŋwɛi kɛ shishi ni yɔɔ ŋwɛi ŋta ni yɔɔ ŋwɛi ŋta lɛ mli lɛ teŋ lɛ nɔ, titri lɛ ŋta ni da lɛ, yɛ nu lɛ mlibotemɔ lɛ hewɔ lɛ, anyɛɛɛ aku hiɛ ashwie nɔ. Kɛfata he lɛ, kɛ́ akɛ elbow lɛ wo valve lɛ botemɔ he lɛ, bias flow baa, ni torque lɛ baaya hiɛ. Kɛji akɛ valve lɛ yɛ teŋgbɛ ŋwɛigbɛ lɛ, ehe miihia ni gbɛjianɔtoo ni tsuɔ nii lɛ afee nɔ ni ŋmɛɔ ehe yɛ nu ni hoɔ lɛ torque lɛ nitsumɔ hewɔ.

China yɛ valve nitsumɔhei babaoo, shi jeee valve hewalɛ ni. Kɛ aawie he lɛ, mimaŋ lɛ ebote je lɛŋ valve hewalɛi lɛ ateŋ, shi yɛ nibii ni afee lɛ ahe lɛ, mimaŋ lɛ kɛ valve hewalɛ ni eeefee lɛ teŋ jɛkɛ lolo. Nitsumɔhe lɛ yɛ nibii ni afeɔ lɛ amli jwɛŋmɔ ni baa shi lolo, R&D nyɛmɔi ni baa shi yɛ valves ni kɛ nibii ni jara wa waa lɛ kpãa gbee lɛ ahe, kɛ nibii afeemɔ he ŋaalee ni baa shi yɛ valve nitsumɔhe lɛ, ni jarayeli nibii ni akɛbaa maŋsɛɛ kɛ nibii ni akɛyaa maŋsɛɛ lɛ mli nyɔmɔwoo lɛ yaa nɔ egbɛɔ eshwaa. Eyɛ mli akɛ valve nitsumɔhei babaoo bɛ ni baanyɛ ahi shi diɛŋtsɛ yɛ jarayeli mli. Shi, nɛkɛ shoofeemɔ ni yaa oya yɛ valve nitsumɔhe lɛ kɛ hegbɛi wuji baaba, ni nɔ ni baajɛ shoofeemɔ lɛ mli aba lɛ baaha jarayeli nitsumɔ lɛ afee nɔ ni jwɛŋmɔ yɔɔ mli. Gbɛ ni yaa valves ni nɔ kwɔ lɛ ahe nitsumɔ mli lɛ ji “bumpy” waa. Nibii ni he hiaa waa lɛ ebatsɔ tɔmɔ ko ni tsiɔ mimaŋ lɛ nibii afeemɔŋ nitsumɔhe lɛ hiɛyaa naa kɛyaa nɔ ni jara wa waa nɔ. Yɛ Afii Enumɔ He Gbɛjianɔtoo ni ji 12 lɛ mli lɛ, nɔyeli lɛ baaya nɔ aha nibii ni akɛtsuɔ nii ni jara wa waa lɛ ahe nibii lɛ aya hiɛ yɛ maŋ lɛ mli. Yɛ biɛ lɛ, wɔhalaa nibii titrii babaoo ni tee nɔ yɛ “Nitsumɔ He Gbɛjianɔtoo” lɛ mli kɛ valve nitsumɔhei ni damɔ shi kɛha nibii ni akɛbaajɛ maŋsɛɛ aba lɛ najiaŋdamɔlɔi ahe niiamlipɛimɔ. Kɛjɛ mlipɛimɔ lɛ mli lɛ, abaanyɛ ana akɛ bɔ ni abaanyɛ akɛ valves ni akɛbaajɛ maŋsɛɛ aba lɛ ato najiaŋ yɛ nitsumɔhei bibii srɔtoi amli lɛ yɛ srɔto kwraa, ni valves ni jara wa waa lɛ he miihia mlai ahe gbɛtsɔɔmɔ babaoo kɛ jeŋ nilee mli niiamlitaomɔ he yelikɛbuamɔ oya.

Valve nitsumɔhe lɛ tsuɔ gbɛfaŋnɔ ko ni he hiaa waa he nii akɛ tsakpaa ni he hiaa yɛ nibii afeemɔ nitsumɔhe lɛ mli yɛ maŋ lɛ shika helɛtemɔ mli hiɛyaa mli. Akɛni mimaŋ lɛ mli valve feemɔ nitsumɔhe lɛ ŋwɛi gbɛhe lɛ kɛ majimaji ateŋ ŋwɛi gbɛhe ni etee hiɛ lɛ teŋ jɛkɛ lolo hewɔ lɛ, saji otii babaoo .valvɛikɛ parameters ni nɔ kwɔ, hulutsoo ni nɔ kwɔ kɛ pressure ni nɔ kwɔ, kɛ pound ni nɔ kwɔ ekɛ ehe efɔ nibii ni akɛbaajɛ maŋsɛɛ aba lɛ anɔ be fɛɛ be. Akɛ nɔkwɛmɔnɔ lɛ, Europa OMAL gbɛi lɛ ji nɔ titri ni mɛi ni tsuɔ valve he nii yɛ shia lɛ halaa be fɛɛ be. Bɔni afee ni atswa valves lɛ he nitsumɔ he hewalɛ, beni Maŋ lɛ Kuu lɛ jie “Susumɔi Srɔtoi ni kɔɔ Nibii Afeemɔ Nitsumɔhe lɛ Hewalɛwoo He Oya” lɛ he lɛ sɛɛ lɛ, maŋ nitsumɔhei ni kɔɔ he lɛ efee nitsumɔi wuji ni nyiɛ sɛɛ yɛ maŋ lɛ taomɔ nii ni kɔɔ nibii wuji ni akɛwoɔ he kome lɛ he lɛ naa. China tsɔnei ahe nitsumɔhe kuu lɛ kɛ China tsɔnei ahe nitsumɔhe kuu lɛ ji mɛi ni nyiɛɔ maŋ lɛ hiɛyaa kɛ tsakemɔi ahe gbɛjianɔtoo lɛ hiɛ, ni amɛfee gbɛjianɔtoo ko ni .valvlocalization plan kɛha nibii wuji ni yɔɔ nitsumɔi ni kɔɔ he lɛ amli, ni amɛkɛ nitsumɔhei ni kɔɔ he lɛ efee ekome shii abɔ. Amrɔ nɛɛ, he ni valves lɛ yɔɔ lɛ efee nɔ ni mɛi ekpɛlɛ nɔ yɛ shia valve nitsumɔhe lɛ. Kɛ majimaji ateŋ mlai kɛha nibii ahe mfonirifeemɔ atsu nii jogbaŋŋ; ŋmɛɔ maŋsɛɛ tsɔnei ni hi jogbaŋŋ ni afee lɛ (ni ŋaalee ni yɔɔ hegbɛ lɛ fata he); nibii ni akɛtsuɔ nii lɛ akaa kɛ bɔ ni amɛtsuɔ nii amɛhaa lɛ mlikwɛmɔ lɛ mli pɛpɛɛpɛ yɛ majimaji ateŋ mlai anaa; ŋmɛɔ maŋsɛɛ nibii afeemɔ gbɛjianɔtoo mli niiashikpamɔ ni ekɛ nibii heei ahe niiamlitaomɔ kɛ amɛhe nitsumɔ he hiamɔ nii haa; tsɔɔmɔ ŋaa gbɛ nɔ nibii kɛ nitsumɔ shihilɛi ni kɔɔ tsɔnei ni akɛbaajɛ maŋsɛɛ aba lɛ ahe lɛ mli faŋŋ, kɛ ekrokomɛi ji gbɛi ni atsɔɔ nɔ ahaa he ni tsɔne lɛ yɔɔ lɛ yaa oya, ni awoɔ tsɔne lɛ mli nibii lɛ ahe tsakemɔ ni yaa nɔ lɛ he hewalɛ, ni ayɔseɔ tsɔne lɛ he lɛ jogbaŋŋ. Kɛtsɔ oyaiyeli ni yaa hiɛ yɛ valve nitsumɔ lɛ mli lɛ nɔ lɛ, wɔsɛɛ nitsumɔ lɛ baafee akaŋshii ni ka valve nibii ni hi jogbaŋŋ kɛ shweshweeshwefeemɔ kɛ nibii ni afee lɛ ahe mfonirii lɛ ateŋ. Nibii ni akɛtsuɔ nii lɛ baaya hiɛ yɛ ŋaalee ni nɔ kwɔ, parameters ni nɔ kwɔ, ŋmei ni nyɛɔ eshiɔ ŋmei ni mli wa, kɛ wala ni sɛɛ tsɛɔ lɛ gbɛ nɔ. Kɛtsɔ ŋaalee nibii heei ni yaa nɔ, nibii heei ni afee, kɛ ŋaalee tsakemɔ nɔ pɛ ji nɔ ni baanyɛ aha nibii ahe ŋaalee lɛ aya hiɛ fiofio koni ekɛ shia nibii ni kɛ amɛhe kpãa gbee lɛ akpee ni ana he ni valves lɛ yɔɔ lɛ jogbaŋŋ. Yɛ shihilɛ ni nibii babaoo biɔ lɛ shishi lɛ, mimaŋ lɛ mli valve feemɔ nitsumɔhe lɛ baatsɔɔ hiɛyaa ni hi fe tsutsu lɛ kpo diɛŋtsɛ.