Tɔnɔbaga minw be baara kɛ ni wariba ye-dimɛtiri jɔra loon o loon, mɔgɔw ka teli ka gwɛlɛya dɔ fɔ, o kɔrɔ, belebelew be gwɛlɛya ka datugu n’u be baara kɛ ni media ye ni danfara caaman ye, i n’a fɔ funteni, jii min ka ca, ani fɛn wɛrɛw, n’u be baara kɛ ni degun ye. A gwɛnin lo ko tuma bɛɛ, a be sɔrɔ tuma bɛɛ ko ji bɔli bena kɛ, ani a ka gwɛlɛ ka datugu kosɔbɛ. O gɛlɛya sababu ye ko valve ka yɔrɔ labɛnnin tɛ ani adamadenw ka dan be bɔ.
Sɛgɛsɛgɛri min kɛra ka ɲɛsin gɛlɛya sababuw ma minw be sɔrɔ Calibɛri belebelew dayɛlɛli n’u datuguli la .
Mɔgɔ kɔrɔbaw ka bɔli fanga laban ye 60-90kg ye, ka kɛɲɛ ni farikolo cogoya wɛrɛw ye.
A ka ca a la, a be yɛlɛma yɔrɔ min na, o ye -off valve ka jigiyɔrɔ ye walisa a ka dɔgɔya ani a ka bɔ ka taga. Ni mɔgɔ ye valve datugu, adamaden farikolo be bolokurukuru ɲɔndi ka yɛlɛma ka kɛ vanne ye ka jigi ka jigi ka se ka datugu. O wagati la, fanga saba faranin ɲɔgɔn kan, o ka kan ka se ka kɛlɛ, o min ye :
(1) Fali min be se ka kɛ yɔrɔ kelen na, o ye Fa ye;
(2) Frikisiyɔn ni valve stem Fb cɛ;
(3) O ɲɔgɔndan be Fc fanga di valve sɛrɛ ni valve core cɛ .
A ka fanga bɛɛ ye ∑M{0}}(Fa+Fb+Fc)R .
A be se ka ye ko n’a y’a sɔrɔ a be bɔ yɔrɔ min na, n’a ka fanga be bonya ka taga. N’a ka surun cogoya datugunin na, axial thrust fanga be surunya ka surunya pɔɔti réseau ka degun yɛrɛ yɛrɛ la (bari P1-P2≈P1, P{{4} n’a datugunin lo)
Ɲɛyirali fɛ, ni DN200 stop valve be baara kɛ ni 10bar steam tupe ye, fɛɛn fɔlɔ dɔrɔn lo be axial thrust Fa=10 πr2=3140kg, ani yɔrɔ min ka kan ka kɛ ka datugu, o be surunya adamaden farikolo ɲuman ka yɔrɔ min be yɛlɛma yɛlɛma. Fanga dan, o la, a ka gwɛlɛ kosɔbɛ mɔgɔ kelen ma ka valve datugu pewu o baarakɛcogo la.
Tiɲɛn lo, izini dɔw b’a fɔ ko o sugu ka kan ka sigi yɔrɔ wɛrɛ la, o min be gɛlɛya gwɛlɛya ɲɛnabɔ datuguli la, nka gɛlɛya fana be yen a daminɛnin kɔ.
Sɛgɛsɛgɛri min kɛra ka sɛgɛsɛgɛri kɛ ka bɔ yɔrɔ min be weele ko Globe Valves.
A ka ca a la, a be se ka kɛ ko a be baara kɛ ni boilɛri bɔyɔrɔ ye, a be se ka kɛ yɔrɔnin kelen.
(1) Tuma caaman na, yɛlɛmani min be kɛ boon lɔyɔrɔ la, o ka ca dɔɔni, o kama, funteni hakɛ fana ka ca, ani yɔrɔ min be yɛlɛma, o be tiɲɛ fana. Ka fara o kan, boilɛri jeni ka ɲɛ, o tɛ se ka kɛ 100% ye, o min bena kɛ sababu ye ka jiba bɔ, o min be se ka kɛ sababu ye ka nɔgɔ bɔ ani ka nɔgɔ tiɲɛ ka taga n’a ye valve yɔrɔ la.
(2) Ka ɲɛsin datuguyɔrɔ ma-off valve ma, a be se ka kɛ ko a ka yɔrɔ min be yɛlɛma ani a be yɔrɔ min na, o yɔrɔ gɛrɛfɛ, sabu funteni min be bɔra nɛgɛdaga kɔnɔ dɔrɔn, o ye kalaya kojugu, n’a y’a sɔrɔ a be se ka yɛlɛma. Asidi ni alkali kɔnɔfɛnw bena kɛ sababu ye ka nɔgɔ ni nɔgɔ bɔ yɔrɔ min be datugu; fɛn dɔw be se ka yɛlɛma fana ka tugu ɲɔgɔn kɔ ni valve yɔrɔ ye ani ka kristali kɛ, o min b’a to valve be se ka datugu koɲuman.
(3) Sub-silindiri donyɔrɔ ani valvew. Furu hakɛ min be kɛ valve kɔ, o ka ca tuma dɔw la wala a ka dɔgɔ sabu a be se ka dilan ani kuun wɛrɛw lo b’a la. Ni ji bɔli hakɛ be yɛlɛma kosɛbɛ, a ka nɔgɔ ka yɛlɛma, ka kavitasiyɔn, n’a ɲɔgɔnnaw sababu yɛlɛma, ka kavitasiyɔn ani ka tiɲɛni wɛrɛw kɛ valve datugulan kan.
(4) Tuma caaman na, ni tiyo belebele dɔ dayɛlɛla, tiyo ka kan ka kɔn ka kalaya, ani ka kɔn ka kalaya, a ka teli ka yɛlɛma dɔɔni kɛ ka tɛmɛ, walisa tiyo ka se ka kalaya dɔɔni dɔɔni ani ka yɔrɔ dɔ la sanni a ka datugu, a be se ka kɛ ko a be se ka kɛ sababu ye ka tiyo bonya min be sɔrɔ teliya la, o yɔrɔ yɔrɔ min be ɲɔgɔn minɛ. Nka, o cogo la, tuma caaman na, valve dayɛlɛli ka dɔgɔ kosɔbɛ, o be kɛ sababu ye ka yɛlɛmani hakɛ caya ka tɛmɛ baarakɛcogo ɲuman kan, ani ka dɔ bɔ valve datuguyɔrɔ ka baara la kosɔbɛ.
Fɛɛrɛ minw be kɛ ka sɛgɛsɛgɛri kɛ ani ka yɔrɔw datugu Globe Valves belebelew la .
(1) A fɔlɔ, a laɲinina ka globo yɔrɔ dɔ sugandi min be se ka yɛlɛma yɛlɛma walisa a kana yɛlɛma yɛlɛma ani a ka se ka yɛlɛma yɛlɛma ani ka yɛlɛmani nɔgɔya.
(2) valve n’a sigiyɔrɔ ka kan ka dilan ni minanw ye minw be se ka yɛlɛma ani ka fani don ka ɲɛ, i n’a fɔ Steliti siman karibidi;
(3) A ɲinina ko an ka diski fila labɛn, o tɛna kɛ sababu ye ka yɛlɛmani caaman kɛ ka sabu kɛ dayɛlɛli fitinin ye, o min bena nɔɔ to baara ka ɲɛnamaya n’a ka tagamasiɲɛw nɔɔ kan.
