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    Poepoe Control Valve

    ?O ka pahu ho?omalu honua

    Nā Māhele Huahana
    Nā Huahana Hō?ike?ike

    Poepoe Control Valve

    Ho?ohana nā pahu ho?omalu honua i ka linear /equal Percentage motion e ho?one?e i ka mea pani i loko a i waho o ka ?ili o ka noho. Loa?a iā lākou kahi lua spherical i loko o ke kino a puni ka wahi o ke awa a ua ho?olālā ?ia e ho?oponopono i ke kahe ka?ina ke ho?ohana ?ia me kahi hui actuator.

    Hā?awi nā pahu ho?omalu honua i ka hana ho?omalu maika?i loa a me ka hilina?i ki?eki?e i nā ?ano noi. Ho?olālā ?ia lākou e hā?awi i ka pololei, pololei a me ka hilina?i no ka lawelawe ma?amau a ?oi aku ka koi.

    Hiki ke ho?ohana ?ia ka pneumatic control valve me nā mea ho?ohui e pili ana i ka kānana ea, Positioner, Limited Switch, kaomi mālama valve, solenoid valve etc.

      Cage Type ho?okahi-Seat Globe Control valve

      Ki?i 2

      Ho?ohana ka Cage Type noho ho?okahi Globe Control Valve i ka hale alaka?i alaka?i a me ke kaomi kaulike. He kūpono ia no nā noi me ke kaomi ?oko?a ki?eki?e. Ho?ololi ke sila kaulike i ka noho luna e ho?ololi i ka hale ku?una lua-noho kiwi valve i loko o ka hale noho ho?okahi. Ua ho?onui nui kēia ho?omaika?i ?ana i ka papa pani pani o ka pahu pahu. Ho?ohana ka plug i ke ?ano kaulike kaulike, ha?aha?a ka wehe a me ka pani ?ana a me ka waena ma lalo o nā kūlana lawelawe me ke kaomi ?oko?a ki?eki?e e hiki ke ho?omalu ?ia ma o ka ho?okau ha?aha?a ha?aha?a. ho?ohana nui ?ia ia no ka ho?okele wai ma nā pipeline o ka waena a me ka ha?aha?a ha?aha?a a me ka waena a me ka ha?aha?a ha?aha?a e pono ai ke kūpa?a ikaika. Me nā hi?ohi?ona e like me ka hana ho?opa?a ?ana maika?i, ke kaomi ?oko?a ?oko?a ki?eki?e, ke alaka?i ?ana i ka hale kia?i, ka wahi alaka?i nui, ka pa?a maika?i a me ka ho?olālā pa?a, ?ike ka ka?a i ka ho?ololi wikiwiki ?ana i ka laina me ka mālama pono ki?eki?e, mālama i ka manpower a me ka manawa. ?O ke ?ano o ka pāku?i kaulike e hō?oia i ka ha?aha?a o ka mea ho?okele i koi ?ia.

      ?Ano Cage ?Ailua-noho Globe Control Valve

      Ki?i 3


      HCB Pneumatic Cage Type Double-seat Globe Control valve ho?ohana i ka hale alaka?i alaka?i a me ke kaomi kaulike. ?Oko?a mai ka Cage Type single-seat Type, ?o kēia ?ano valve control e ho?ohana i ke ?ano o ka hale noho lua a ho?ohana nui ?ia i nā noi i loa?a ?ole nā ??koi ki?eki?e no ka pani ?ana. E like me ka ?ae ?ana i ka ?ōnaehana noho pālua, a ?o nā maka sila ?elua he mau sila metala, ?oi aku ka laulā o ka wela. Ho?ohana ka plug i ke kaomi kaulike ?ana me ka ha?aha?a o ka wehe a me ka pani ?ana a ?o ka media ma lalo o nā kūlana lawelawe me ke kaomi ?oko?a ki?eki?e e hiki ke ho?omalu ?ia ma o ka ho?okau ha?aha?a ha?aha?a. Ho?ohana nui ?ia no ka mālama ?ana i ka wai ma luna o nā pipeline o ka waena a me ka ha?aha?a ha?aha?a a e koi ana i ke kūpa?a ikaika maika?i, Me nā hi?ohi?ona e like me ka hana sealing maika?i, ke kaomi ?oko?a ki?eki?e i ?ae ?ia, alaka?i alaka?i, wahi alaka?i nui, kūpa?a maika?i a me ka ho?olālā pa?a, hiki iā ia ke ho?omaopopo i ka ho?ololi wikiwiki ?ana o nā ?oki ma ka laina me ka mālama pono ki?eki?e, mālama i ka mana a me ka manawa. ?O ke ?ano o ka pāku?i kaulike e hō?oia i ka ha?aha?a o ka mea ho?okele i koi ?ia.

      Nui-puka ha?aha?a ha?aha?a ho?omalu leo

      Ki?i 4

      ?O ka Pneumatic Multi hole Low Noise Control Valve e ho?ohana i ka ho?olālā alaka?i lima a me ka plug kaulike. No ka mea he ki?eki?e ka ?oko?a a ki?eki?e ka wikiwiki o ke kahe ?ana o ka waena, e ho?opau nui ?ia nā ?oki a poino a ho?opuka ?ia ka leo ki?eki?e. No laila, ho?ololi mākou i ka lima ?ano puka makani ma?amau i ka lima multichoke. no ka wai, ?oi aku ka ki?eki?e a me ka ha?aha?a o ke kahe ?ana, a ?o ka throttling hole he nui ka mea e ho?okō ai i ka hui ?ana i loko o ka lima, i mea e ho?opau ai i ka ikehu kūloko a ho?emi i ka wikiwiki o ke kahe. No ke kinoea a me ka media, he ha?aha?a a ki?eki?e ka ?ao?ao o ke kahe, i hiki ai i ka ga medium ke ho?onui i ka leo ma hope o ka noho ma hope o ka throttling e ka lima puka nui a ho?emi ?ia ke kaomi o ka medium e ho?oha?aha?a i ka wikiwiki o ke kahe. Hiki ke ho?ololi ?ia nā ?āpana o kēia ?ano control valve me ka Cage Type single seat Control Valve koe wale nō ke ho?ololi ?ia ka lima i ke ?ano Mult-hole.
      ?O ka pahu ho?omalu hā?ule kaomi ?ana i nā pae lehulehu

      Ki?i 5

      Ho?ohana ?o Multi-stage Pressure drop control valve i ka ?ōnaehana alaka?i lima a me ka plug kaulike. Ho?ohana nui ?ia ia i nā kūlana lawelawe me ke kaomi ?oko?a ki?eki?e a me nā noi e ho?opuka i ka evaporation flash a me ka cavitation. Wahi a nā ?āpana like ?ole, ua ho?olālā ?ia me nā pahu ho?ohehe?e kaomi ?oko?a e hana ana i kahi ?oki ho?ohehe?e kaomi Multi-stage. ?O nā cages i ho?olālā ?ia e like me nā kūlana lawelawe like ?ole e hō?oia i ka hiki ?ana o ka evaporation wikiwiki a me ka cavitation i ka waiwai. Ho?okō ?ia ka throttling mai ka manawa i ho?opili ai ka mea waena i ka hale mua, a ho?emi mālie ?ia ke kaomi ?oko?a ki?eki?e ma ka inlet ma hope o kekahi mau manawa o ka throttling. No laila, ua hō?oia pono ?ia ka pi?i ?ana ma luna o ka pu?upu?u saturated i ka wā e kahe ana ka waena i loko o ka valve, a ho?opau ?ia ke ?ano o ka evaporation flash a me ka cavitation, i ho?olō?ihi ?ia ke ola lawelawe o ka nānā mana ma lalo o nā kūlana lawelawe ko?iko?i.

      Cavitation kumu a me ka hopena

      Ke kumu o ka Caviation
      Ke emi iho ke kaomi o ka wai i ke kaomi mahu a i lalo paha, e puka mai ana ka evaporation a i ?ole nā ???ōhū. Ke hele ka wai ma ka wahi necking plug, ho?onui ka velocity i Vvc E like me ke kumu o ka mālama ?ana i ka ikehu, hā?ule koke ke kaomi wai i Pvc. Ke like ka Pvc me ka li?ili?i a i ?ole ke kaomi mahu māhu wai Pv, e ho?oku?u ?ia ka wai a e hana ?ia nā ?ōhū, no laila e ho?ohehe?e ?ia ka uila. Ma hope o ka hele ?ana o ka wai i loko o ka plug, ho?omaka ke kaomi e ho?iho?i ?ia a ho?ololi hou ?ia ka ikehu kinetic i ka ikehu hiki Ke ho?iho?i ?ia ke kaomi i ke kaomi o lalo, i hō?ike ?ia e like me ka p2 a ?o ka wikiwiki ka V2. Ke ?oi aku ka nui o ka pu?e i ho?iho?i ?ia ma mua o ka pu?e mahu saturated Pv, e haki nā ?ōpū i hana ?ia a hiki mai ka cavitation. ?O kēia ?ano ho?oku?u ikehu e ho?onui i ke ko?iko?i hapa ma luna o 200000psl (1400MPa) a e ho?opau koke ke kaumaha i ka plug pa?a.

      Ki?i 6

      Ho?oholo i ka Cavitation

      Hiki i ka labyrinth control valve ke ho?opau pono i ka pō?ino i hana ?ia e ka hiki ?ole ke kaohi o ka wikiwiki o ka wai. ?O ka mua, ho?opuehu ?ia nā wai i loko o nā kahawai li?ili?i he nui. No laila, ?oiai i ka wā i ho?okumu ?ia ai nā ?ōpū, li?ili?i loa ko lākou leo ??a ?a?ole lawa ka ikehu e hana i ke ko?iko?i e hiki ke hō?ino i nā mea, ?o ka lua, mālama ?ia ka wikiwiki o ke kahe ma ka pae ha?aha?a. No laila, ?a?ole e ho?emi ?ia ke kaomi ?āpana i ka ha?aha?a ma mua o ke kaomi ?ana o ka wai. No laila, ?a?ole e hiki mai ka cavitation. ?O ka pō?ino i hana ?ia e ka cavitation he hō?ailona ma?amau e hō?ike ana i ka hiki ?ole o ka mana o ka wikiwiki o ke kahe. E like me ka mea i ?ōlelo ?ia ma luna nei, ?o ka lawe ?ana i nā mea o ka pa?akikī ki?eki?e, ka lima insulating a i ?ole ka orifice i lalo e ho?opau wale i kahi hapa li?ili?i o ka valve i ho?okumu ?ia e ka cavitation. ?O ke ki?eki?e ha?aha?a ha?aha?a e ho?oulu ai i ka cavitation a hō?ino i ka plug, a ?o ka hopena i ka cavitation ?o ia ka ho?ohana ?ana i ka hale labyrinth e like me ka hō?ike ?ana ma ke ki?i.

      Ki?i 7

      • Nā waiwai KV pili o ka pahu ho?omalu honua a me ka huaka?i (EQ% / Linear)


      Kii 8

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