Kɛji akɛ gbɛ ni atsɔɔ nɔ akɛ ŋmeii lɛ kɛ paipii lɛ loo nibii ni akɛtsuɔ nii lɛ tsaa lɛ ni ahalaa lɛ ja loo ejaaa lɛ, ebaana bɔ ni paipii lɛ valve lɛ baanyɛ ajo foi, efo, efo kɛ efo lɛ nɔ hewalɛ tɛ̃ɛ. Gbɛi ni afɔɔ nɔ akɛ valve lɛ tsaa lɛ ekomɛi ji: flange tsaa, wafer tsaa, butt welding tsaa, threaded tsaa, ferrule tsaa, clamp tsaa, self-sealing tsaa kɛ tsaa henɔi krokomɛi.
A. Flange tsakpaa
Flange tsakpaa ji aflanged ŋmɔtɔ valvekɛ flanges ni yɔɔ valve gbɔmɔtso lɛ naagbeehei enyɔ lɛ fɛɛ, ni kɛ flanges ni yɔɔ paipii lɛ nɔ lɛ kpãa gbee, ni akɛwoɔ paipii lɛ mli kɛtsɔ flanges lɛ ni akɛwoɔ mli lɛ nɔ. Flange tsakpaa ji tsakpaa gbɛ ni akɛtsuɔ nii fe fɛɛ yɛ valves amli. Ajara flanges lɛ mli awo ŋwɛi ŋwɛi (RF), ŋwɛi ŋwɛi (FF), ŋwɛi ŋwɛi kɛ ŋwɛi ŋwɛi (MF), kɛ ekrokomɛi.
B. Wafer tsakpaa
Akɛ valve lɛ woɔ flanges enyɔ ateŋ, ni valve lɛ gbɔmɔtso lɛwafer ŋmei valvebei pii lɛ, eyɛ he ko ni akɛwoɔ mli koni ekɛwo mli kɛ he ni akɛwoɔ mli lɛ afee mlɛo.
C. Solder ni akɛtsaa
(1) Butt welding connection: Atsuɔ valve gbɔmɔtso lɛ naagbeehei enyɔ lɛ fɛɛ he nii koni efee butt welding ŋmeii yɛ bɔ ni butt welding he taomɔ nii lɛ ji lɛ naa, ni kɛ paipii lɛ mli ŋmeii ni akɛwoɔ mli lɛ kpãa gbee, ni akɛ ŋmeii ni akɛwoɔ paipii lɛ mli lɛ fĩɔ paipii lɛ nɔ.
(2) Sokɛt ni akɛwoɔ tsɔne mli lɛ: Atsuɔ valve gbɔmɔtso lɛ naagbeehei enyɔ lɛ fɛɛ he nii yɛ bɔ ni sokɛt tsɔne ni akɛwoɔ tsɔne mli lɛ taoɔ lɛ naa, ni akɛ sokɛt tsɔne ni akɛwoɔ tsɔne mli lɛ tsaa paipii lɛ nɔ.
D. Thread ni akɛtsaa tsakpaa
Thread ni akɛtsaa nɔ lɛ ji gbɛ ni yɔɔ mlɛo ni atsɔɔ nɔ akɛtsaa nɔ, ni bei pii lɛ akɛtsuɔ nii kɛhaa valves bibii. Akɛ valve gbɔmɔtso lɛ tsuɔ nii yɛ tsɔne ni akɛwoɔ mli lɛ eko fɛɛ eko he mla naa, ni tsɔne ni yɔɔ mli lɛ kɛ tsɔne ni yɔɔ kponɔgbɛ lɛ henɔi enyɔ yɔɔ. Ekɛ tsɔne ni yɔɔ paipi lɛ nɔ lɛ kpãa gbee. Ayɛ tsakpaa henɔi enyɔ:
(1) Nɔ ni akɛfiɔ he tɛ̃ɛ: Mligbɛ kɛ kponɔgbɛ tsɔji lɛ tsuɔ gbɛfaŋnɔ ko ni akɛfiɔ he tɛ̃ɛ. Bɔni afee ni tsɔne ni akɛtswaa lɛ akafee nɔ ko lɛ, bei pii lɛ, akɛ lead mu, thread hemp kɛ PTFE raw material tape woɔ mli; ni amɛteŋ lɛ, akɛ PTFE nibii ni afee lɛ ŋmɔŋ lɛ tsuɔ nii babaoo; nɛkɛ nibii nɛɛ yɛ hewalɛ ni hi ni ekɛteɔ shi ewoɔ ŋmeii kɛ hewalɛ ni hi jogbaŋŋ ni haa mɔ he jɔ̃ɔ ehe. Ekɛ nitsumɔ kɛ etoohe waaa. Kɛji akɛ ajie lɛ, abaanyɛ ajie lɛ kwraa ejaakɛ eji sini ni ŋmɛɛɛ ehe, ni ehi kwraa fe lead oil kɛ thread hemp.
(2) Nɔ ni akɛwoɔ mli tɛ̃ɛ: tsɔne ni akɛtswaa tsɔne lɛ mli hewalɛ lɛ yaa gasket ni yɔɔ tsɔnei enyɔ lɛ ateŋ lɛ nɔ, bɔni afee ni gasket lɛ atsu nɔ ko ni tsiɔ nii anaa lɛ he nii.
E. ferrule tsakpaa
Afee ferrule tsakpaa lɛ yɛ mimaŋ lɛ mli pɛ yɛ nyɛsɛɛ afii nɛɛ amli. Eshishitoo mla ni kɔɔ ekɛ ehe kpaa gbee kɛ nɔ ni ekɛfiɔ he lɛ he ji akɛ, kɛ́ atswa nut lɛ, nɔnyɛɛ ko baa ferrule lɛ nɔ, bɔni afee ni ferrule lɛ naa lɛ atswa paipii lɛ kponɔgbɛ gbogbo lɛ, ni ferrule lɛ kponɔgbɛ cone lɛ hiɛ lɛ kɛ fã ni yɔɔ nɔnyɛɛ shishi lɛ tsa. Gbɔmɔtso lɛ mligbɛ lɛ kɛ ŋwɛi ni etse ehe lɛ kpaa gbee waa, no hewɔ lɛ abaanyɛ atsĩ nu ni hoɔ lɛ naa yɛ gbɛ ni anyɛɔ akɛ he fɔ̃ɔ nɔ. Tamɔ nibii ni akɛtsuɔ nii lɛ valves. Sɛɛnamɔi ni yɔɔ tsakpaa nɛɛ he ji:
(1) Edalɛ bibioo, etsiimɔ waaa, egbɛjianɔtoo lɛ waaa, ejieɔ ehe kɛjɛɔ mli ni ekɛbuaa naa lɛ waaa;
(2) Hewalɛ ni mli wa ni akɛtsaa nɔ, nitsumɔ babaoo, nɔnyɛɛ ni tsii ni tsiɔ mɔ naa (1000 kg/cm 2 ), hulutsoo ni nɔ kwɔ (650 ° C) kɛ shoofeemɔ kɛ ŋmɔlɔ;
(3) Abaanyɛ ahala nibii srɔtoi, ni sa kɛha ŋmeii ni tsiɔ ŋmeii anaa;
(4) Taomɔ nii ni kɔɔ tsɔne ni akɛtsuɔ nii pɛpɛɛpɛ lɛ he lɛ faaa;
(5) Ehi jogbaŋŋ kɛha he ni kwɔ waa ni akɛwoɔ mli lɛ.
Amrɔ nɛɛ, akɛ ferrule connection form lɛ etsu nii yɛ valve ni yɔɔ diamita bibioo ko mli lɛ ekomɛi amli yɛ mimaŋ lɛ mli.
F. Groove tsakpaa
Enɛ ji gbɛ ni atsɔɔ nɔ akɛ nibii tsaa oya, ehe miihia ni akɛ bolts enyɔ pɛ awo mli, ni...ŋwɛi ŋmei naagbee valve ni yɔɔ ŋmei lɛlɛ sa kɛha nɔnyɛɛ ni baa shiŋmeii valvɛini bei pii lɛ, ajieɔ kɛjɛɔ mli lɛ. tamɔ tsɔnei ni akɛjieɔ muji.
G. Mligbɛ he-kɛ-afɔleshaa tsakpaa
Nibii ni awie he yɛ ŋwɛi nɛɛ fɛɛ kɛ hewalɛ ni jɛɔ kponɔgbɛ tsuɔ nii koni amɛkɛtsi nɔnyɛɛ ni yɔɔ tsɔne lɛ mli lɛ naa koni anyɛ ashɛ nɔ ni akɛtswaa lɛ he. Nɔ ni nyiɛ sɛɛ nɛɛ tsɔɔ bɔ ni akɛ tsɔne ni haa mɔ tsui nyɔɔ emli tsuɔ nii ahaa lɛ mli.
Akɛ e-sealing ring lɛ woɔ mligbɛ ŋwɛi ŋta lɛ mli ni efeɔ ŋwɛi ŋta ko ni efã lɛ kwɛɔ ŋwɛi ŋta lɛ hiɛ. Akɛ nɔ ni yɔɔ mli lɛ mli hewalɛ yaa mligbɛ ŋmei lɛ mli, ni no sɛɛ lɛ kɛyaa ŋmei ni akɛfiɔ nii ahe lɛ mli. Yɛ ŋwɛi ŋta ko nɔ lɛ, ajieɔ hewalɛi enyɔ ni ji fãi enyɔ kpo, eko kɛ Valve gbɔmɔtso lɛ teŋgbɛ line lɛ kɛ kponɔgbɛ lɛ kpãa gbee, ni ekroko lɛ kɛ valve gbɔmɔtso lɛ mligbɛ gbogbo lɛ miimii. Hewalɛ ni ji naagbee nɔ lɛ ji hewalɛ ni haa mɔ he waaa lɛ. Babaoo ni nɔnyɛɛ ni yɔɔ teŋgbɛ lɛ da lɛ, babaoo ni hewalɛ ni haa mɔ he waa lɛ hu da. No hewɔ lɛ, nɛkɛ tsakpaa gbɛ nɛɛ sa kɛha valves ni mli wa waa.
Kɛ akɛto flange connection he lɛ, ehaa nibii kɛ gbɔmɛi ahewalɛ babaoo baa shi, shi ebiɔ ni awo mli dani afee nɔ ko hu, koni anyɛ akɛtsu nii yɛ gbɛ ni anyɛɔ akɛ he fɔ̃ɔ nɔ kɛ́ nɔnyɛɛ ni yɔɔ valve lɛ mli lɛ faaa. Valves ni akɛ shishitoo mla ni ji self-tightening sealing lɛ tsuɔ nii kɛfeɔ lɛ ji valves ni mli wa waa.
Ayɛ gbɛi srɔtoi ni akɛtsaa valve nɔ, ákɛ nɔkwɛmɔnɔ lɛ, akɛ paipii tswaa valve bibii komɛi ni ehe ehiaaa ni ajie lɛ; valvɛi komɛi ni jeee dade lɛ, akɛ sokɛti kɛ ekrokomɛi tsaa. Esa akɛ akwɛ mɛi ni kɛ valve tsuɔ nii lɛ anɔ yɛ shihilɛ pɔtɛɛ ni yɔɔ mli lɛ naa.
Niŋmaa:
(1) Esa akɛ gbɛi fɛɛ ni atsɔɔ nɔ akɛ tsɔne lɛ tsaa lɛ akwɛ shishitoo mlai ni kɛ lɛ kpãa gbee lɛ anɔ ni etsɔɔ shishitoo mlai lɛ amli faŋŋ koni akakɛ valve ni ahala lɛ awo mli.
(2) Bei pii lɛ, akɛ flange tsaa paipii ni da lɛ kɛ valve lɛ nɔ, ni akɛ thread tsaa paipii ni dalɛ ji bibioo lɛ kɛ valve lɛ nɔ.
Be ni akɛbaatsu nii: Otukwajaŋ-18-2022
