Yɛ ŋmeii valves ni akɛtsuɔ nii daa gbi lɛ mli lɛ, bei pii lɛ, akɛ naagbai srɔtoi kpeɔ. Valve lɛ gbɔmɔtso lɛ kɛ bonnet ni yɔɔ butterfly valve lɛ mli lɛ mli nu ni hoɔ lɛ ji nibii babaoo ni efiteɔ lɛ ateŋ ekome. Mɛni ji nɔ ni kɛ nɛkɛ nifeemɔ nɛɛ ba? Ani glitches krokomɛi yɛ ni esa akɛ ole? TWS ŋmei valve lɛ gbala shihilɛ ni nyiɛ sɛɛ nɛɛ mli kuku,
Fã 1, Valve gbɔmɔtso lɛ kɛ bonnet lɛ mli nu ni hoɔ
1. Dade ni akɛwoɔ mli lɛ mli tsɔne ni akɛwoɔ tsɔne mli lɛ mli lɛ faaa, ni tɔmɔi tamɔ tsɔnei ni akɛwoɔ tsɔne mli, tsɔnei ni yɔɔ ŋmɔlɔŋmɔlɔ, kɛ slag ni akɛwoɔ mli lɛ yɛ valve lɛ gbɔmɔtso lɛ kɛ valve lɛ nɔ tsɔne lɛ nɔ;
2. Ŋwɛi lɛ miifee ais ni egbɛ eshwa;
3. Welding ni ehiii, tɔmɔi tamɔ slag ni akɛwoɔ mli, unwelded, stress cracks, kɛ ekrokomɛi yɛ;
4. Dade ni akɛfee ŋmɔtɔ valve lɛ fiteɔ beni nibii ni tsii etswa lɛ sɛɛ.
gbɛ ni atsɔɔ nɔ akwɛɔ nɔ
1. Bɔni afee ni okɛ tsɔne ni akɛwoɔ tsɔne mli lɛ aya hiɛ lɛ, feemɔ hewalɛ kaa yɛ gbɛ ni kɛ mlai lɛ kpãa gbee nɔ pɛpɛɛpɛ dani okɛwo mli;
2. Kɛhaŋmeii valvɛikɛ dɔlɛ ni baa shi fe 0°C kɛyaa shishi lɛ, esa akɛ aha amɛmli adɔ loo amɛdɔ, ni ajie nu ni ebua naa lɛ kɛjɛ ŋmeii valvɛi ni akɛtsuuu nii dɔŋŋ lɛ amli;
3. Esa akɛ afee valve gbɔmɔtso lɛ kɛ bonnet ni akɛ sũ fee lɛ he sũ lɛ yɛ sũ nitsumɔ gbɛjianɔtoi ni sa lɛ anaa, ni esa akɛ afee tɔmɔi ni ana kɛ hewalɛ he kaai yɛ sũ lɛ sɛɛ;
4. Agu nibii ni tsii ni akɛtsiɔ ni akɛwoɔ ŋmei valve lɛ nɔ, ni aŋmɛɛɛ gbɛ ni akɛ nine hama atswa dade kɛ ŋmei valve ni jeee dade. Esa akɛ ŋmeii agboi ni akɛwoɔ mli lɛ aná brakɛti.
Fã 2. Leakage yɛ packing mli
1. Filler ni ahalaa yɛ gbɛ ni ejaaa nɔ, ni nyɛɛɛ ashi ŋmeii ni yɔɔ teŋgbɛ lɛ, ni nyɛɛɛ ashi ŋmeii ni mli wa loo vacuum, hulutsoo ni nɔ kwɔ loo hulutsoo ni baa shi ni akɛ butterfly valve tsuɔ nii;
2. Akɛ nibii ni akɛwoɔ mli lɛ woɔ mli yɛ gbɛ ni ejaaa nɔ, ni tɔmɔi komɛi yɛ tamɔ nibii bibii ni akɛtoɔ agbo najiaŋ, ni ji spiral coil joints ni ehiii, ŋwɛi ni mli wa kɛ shishi ni mli tse;
3. Filler lɛ egbɔ ni ebɛ hewalɛ ni ekɛtsu nii fe sɔɔmɔ wala lɛ;
4. Valve stem lɛ pɛpɛɛpɛfeemɔ lɛ faaa, ni tɔmɔi tamɔ ŋmɔlɔ, ŋmɔlɔ, kɛ ŋmɔlɔ yɛ;
5. Packing circles lɛ ayibɔ faaa, ni gland lɛ hu etswaaa shi jogbaŋŋ;
6. Gland lɛ, bolts lɛ, kɛ efãi krokomɛi efite, ni no hewɔ lɛ, anyɛɛɛ anyɛ gland lɛ nɔ jogbaŋŋ;
7. Nitsumɔ ni esaaa, hewalɛ ni fe nine, kɛ ekrokomɛi;
8. Gland lɛ efo, ni gbɛ ni kã gland lɛ kɛ valve stem lɛ teŋ lɛ ji bibioo tsɔ loo elɛɛ tsɔ, ni no haa valve stem lɛ fiteɔ ni efiteɔ nɔ ni akɛwoɔ mli lɛ.
gbɛ ni atsɔɔ nɔ akwɛɔ nɔ
1. Esa akɛ ahala nibii ni akɛbaatsu nii kɛ nɔ ni akɛwoɔ mli lɛ henɔ yɛ nitsumɔ shihilɛi lɛ anaa;
2. Okɛ tsɔne ni akɛwoɔ mli lɛ awo mli jogbaŋŋ yɛ mlai ni kɔɔ he lɛ anaa, esa akɛ okɛ tsɔne lɛ awo mli ni okɛwo mli komekomei, ni esa akɛ tsɔne ni akɛwoɔ mli lɛ ahi 30 .°C loo 45°C;
3. Esa akɛ atsake nibii ni akɛwoɔ mli ni sɛɛ tsɛɔ, ni egbɔ, ni efite lɛ yɛ be ni sa mli;
4. Kɛ́ valve stem lɛ efo ni efite sɛɛ lɛ, esa akɛ atsake lɛ ni asaa, ni atsake nɔ ni efite lɛ yɛ be ni sa mli;
5. Esa akɛ akɛ packing lɛ awo mli yɛ bɔ ni ato he gbɛjianɔ aha lɛ naa, esa akɛ atswa gland lɛ shi yɛ gbɛ ni sa nɔ ni efee ekome, ni esa akɛ gland lɛ aná ŋwɛi ŋta ni fe 5mm dani atswa lɛ;
6. Esa akɛ asaa gland, bolts kɛ nibii krokomɛi ni efite lɛ loo atsake amɛ yɛ be ni sa mli;
7. E sa nɛ a nyɛɛ ní tsumi blɔ nya tomi ɔmɛ a se, ja nɔ́ nɛ a kɛ tsuɔ ní ɔ pɛ, nɛ e tsu ní ngɛ oya yemi kɛ he wami nɛ sa mi daa;
8. Esa akɛ atswa gland bolts lɛ jogbaŋŋ ni ekɛ amɛhe afee ekome. Kɛji akɛ gbɛ ni kã gland lɛ kɛ valve stem lɛ teŋ lɛ faaa tsɔ lɛ, esa akɛ atsake gbɛ lɛ nɔ bɔ ni sa; kɛji akɛ gbɛ ni kã gland lɛ kɛ valve stem lɛ teŋ lɛ da tsɔ lɛ, esa akɛ atsake.
Fã 3 Leakage ni jɛɔ ŋwɛi ŋta lɛ nɔ
1. Nɔ ni akɛfiɔ naa lɛ jeee shikpɔŋ ni yɔɔ ŋmɔlɔŋmɔlɔ ni enyɛŋ efee line ni bɛŋkɛ kpaakpa;
2. Nɔ ni yɔɔ valve stem lɛ kɛ nɔ ni akɛkpaa lɛ teŋ lɛ ŋwɛi teŋgbɛ lɛ efo shi, ejaaa loo efite;
3. Nɔvalvstem lɛ efo loo abua naa yɛ gbɛ ni ejaaa nɔ, ni no haa fãi ni akɛkpaa lɛ shwieɔ shi loo ejɛɔ teŋgbɛ;
4. Ahalaaa nibii ni akɛwoɔ ŋwɛi ŋta lɛ mli lɛ jogbaŋŋ loo ahalaaa valve lɛ yɛ nitsumɔ shihilɛi lɛ anaa.
gbɛ ni atsɔɔ nɔ akwɛɔ nɔ
1. Halamɔ nibii kɛ gasket lɛ henɔ lɛ jogbaŋŋ yɛ nitsumɔ shihilɛi lɛ anaa;
2. Tsakemɔ ni afeɔ jogbaŋŋ kɛ nitsumɔ ni yaa nɔ jogbaŋŋ;
3. Esa akɛ atswa bolts lɛ jogbaŋŋ ni amɛfee ekome. Kɛ ehe miihia lɛ, esa akɛ akɛ torque wrench atsu nii. Esa akɛ hewalɛ ni akɛwoɔ mli dani atswaa lɛ lɛ ashɛ taomɔ nii lɛ ahe, ni esaaa akɛ efeɔ nɔ ni da loo bibioo tsɔ. Esa akɛ ŋwɛi ŋta ko ahi flange lɛ kɛ thread ni akɛtswaa lɛ teŋ;
4. Esa akɛ gasket lɛ kuu lɛ afee ekome yɛ teŋgbɛ, ni hewalɛ lɛ afee ekome. Aŋmɛɛɛ gasket lɛ gbɛ ni ekɛ gasket ni ji enyɔ atsu nii;
5. Static sealing lɛ nɔ lɛ efite, efite, ni nitsumɔ lɛ mlihilɛ lɛ hu bɛ ŋwɛi. Esa akɛ asaa, afee ŋmɔlɔ, ni akwɛ bɔ ni ŋmɔlɔ yɔɔ mli lɛ mli koni static sealing surface lɛ ashɛ taomɔ nii ni sa lɛ ahe;
6. Kɛ́ oowo gasket lɛ mli lɛ, ha ojwɛŋmɔ ahi hetsemɔ nɔ. Esa akɛ akɛ kerosene atsumɔ he ni akɛwoɔ tsɔne lɛ mli lɛ he, ni esaaa akɛ gasket lɛ gbeeɔ shikpɔŋ.
Fã 4. Leakage yɛ he ni tsɔne ni akɛtswaa nii lɛ feɔ ekome lɛ
1. Akɛ tsɔne ni akɛfiɔ nii ahe lɛ efolɔɔɔ mli shiŋŋ;
2. Akɛ tsɔne ni akɛfiɔ nii ahe lɛ ebɔ gbɔmɔtso lɛ he, ni nɔ ni akɛwoɔ nɔ lɛ ehiii kwraa;
3. Kpãa ni akɛtsaa tsɔne lɛ, skruu kɛ nɔnyɛɛ tsɔne ni akɛfiɔ tsɔne lɛ he lɛ mli ejɔ;
4. Akɛ sealing ring lɛ ebɔ he ni efite.
gbɛ ni atsɔɔ nɔ akwɛɔ nɔ
1. Kɛji akɛ nu miiho yɛ he ni akɛ naatsii lɛ shwieɔ lɛ, esa akɛ awo mli ni akɛkpɛtɛɔ nii ahe lɛ, ni no sɛɛ lɛ atsɔ mli ni akɛfi shi;
2. Esa akɛ atsake tsɔne ni akɛwoɔ tsɔne mli lɛ mli yɛ bɔ ni tsɔne lɛ he gbɛjianɔtoo lɛ tsɔɔ lɛ naa. Kɛji akɛ anyɛɛɛ asaa ŋwɛi ŋta lɛ, esa akɛ ajie shishijee ŋta lɛ kɛ nitsumɔ lɛ;
3. Jiemɔ skrui lɛ, tsumɔ pressure ring lɛ he, okɛ fãi ni efite lɛ ato najiaŋ, shwie nɔ ni akɛfiɔ naa lɛ nɔ kɛ sɛi ni kɛ lɛ tsaa lɛ nɔ, ni okɛto he ekoŋŋ. Kɛha fãi ni ŋmeii efite babaoo lɛ, abaanyɛ asaa kɛtsɔ tsɔne ni akɛwoɔ tsɔne mli, tsɔne ni akɛwoɔ tsɔne mli kɛ gbɛi krokomɛi anɔ;
4. Nɔ ni kɛ tsɔne ni akɛfiɔ nii ahe lɛ tsaa lɛ efite, ni abaanyɛ asaa kɛtsɔ ŋmɔlɔ, ŋmɔlɔ, kɛ ekrokomɛi anɔ.Kɛ́ anyɛɛɛ asaa lɛ, esa akɛ atsake tsɔne ni akɛfiɔ nii ahe lɛ.
Fã 5. Leakage baa kɛji akɛ ŋwɛi ŋta lɛ gbee shi
1. Nitsumɔ ni ehiii lɛ haa fãi ni akɛkpaa lɛ shwieɔ shi ni fãi ni akɛfoɔ lɛ lɛ fiteɔ ni amɛkuɔ;
2. Nɔ ni akɛkpaa fã lɛ mli lɛ bɛ shiŋŋ, eyɛ mlɛo ni egbeeɔ shi;
3. Ahalaaa nibii ni akɛtsaa nɔ lɛ, ni enyɛŋ edamɔ tsɔne lɛ mli nibii ni fiteɔ lɛ kɛ tsɔne lɛ mli nibii ni fiteɔ lɛ anaa.
gbɛ ni atsɔɔ nɔ akwɛɔ nɔ
1. Nitsumɔ ni ja, ŋmãa ŋmei valve lɛ ni okɛ hewalɛ ni fa fe nine tsuuu nii, ni ogbele ŋmei valve lɛ ni okɛ ŋwɛi gbonyo he lɛ akaho. Yɛ be mli ni...ŋmei valvekɛji agbele kwraa lɛ, esa akɛ aku nine shwiili lɛ sɛɛ fioo;
2. Esa akɛ tsakpaa ni yɔɔ fã ni akɛkpaa lɛ kɛ valve lɛ shishi lɛ mli lɛ ahi shi shiŋŋ, ni esa akɛ sɛɛgbɛ nɔ ko ahi he ni akɛ tsɔne lɛ kpãa gbee lɛ;
3. Esa akɛ nibii ni akɛfiɔ fã ni akɛkpaa lɛ kɛ valve lɛ shishi lɛ anyɛ adamɔ tsɔne lɛ mli nibii ni fiteɔ lɛ anaa, ni ehiɛ tsɔne mli hewalɛ ko kɛ tsɔne mli nibii ni fiteɔ lɛ.
Be ni akɛmajeɔ: Alemle-14-2024
