1. Hōʻikeʻike
A Globe Valve he mea hana laina laina e hoʻohana ana i kahi disk movable (plug) e noho ana i kahi noho e kū ai i kahi noho paʻa e hoʻoponopono ai i ka kahe.
Mālamaʻo ia i kāna hoʻonohonohoʻana i ka paleʻana a me ka pani paʻaʻana; ʻO nā lawelawe maʻamau e pili ana i ke kaheʻana, ke kuahi o, Hoʻokele me ka hana pinepine, a mālama i nā kino valve.
E makemake mau nā black Vlaves i kahi e makemake ai ke kaheʻana o ka wai a me ka pani kūpono (Hale Kūʻai, makemalohakua, Kekuhi, Kauhane, a he nui nā hoʻonohonoho waiwai nui).
Ua hoʻohanaʻia lākou ma kahi o ka hanauna mana, petrochemimical, pono & aila, ka mālama wai a me nāʻoihana HVAC.
2. He aha kahi valbe globe?
Kaʻikeʻana o keʻano a me ke kumu hana.
ʻO kahi awāwa o ke aniani glack clobe ma ke kino a me ka bonnet (Nā Hale), he stem e unuhi i ka axitally i ka wā i hanaʻia ai, he disc a plug e hoʻopiliʻia i ka lāʻau, a me kahi noho noho noho paʻa i ke kino.
Ka neʻeʻana o ka disc checondicular i ka noho e hoʻololi i ka wahi o ka kahe; ʻO ka hikiʻana mai ka hiapoʻana mai ka holomua o ka holomua o ka holoʻana o ka wai ma waena o ka plug a me ka noho.
Hoʻohana maʻamau i nā'ōnaehana cludid.
- ʻO ke kaheʻana o ke poʻo me ka controllability maikaʻi (E.g., ka hoʻoponoponoʻana i ka steam, wai, Ke kahe wai).
- Pinepine ma ka hana / hana i kahi e pono ai nā mea e pono ai.
- Ka lawelawe ma kahi o ka cavitation a iʻole e hoʻopiliʻia e ka hoʻokele a iʻole nā'āpana kūikawā.
- Hanaʻia e like me ka mālamaʻana i nā kino valve i hanaʻia me nā mea hana a me nā kūlana.
3. ʻO ka hanaʻana o ka Blobe Valve a me nā'āpana
Hui | Hana | Nā mea maʻamau |
Kino & Bontnet | Hoʻopaʻa; Aia i ke ala kahe | Hae hao, Ui, ʻaihue kīwī (A216 wcb), kila kohu ʻole (CF8 / CF8m), fulex, Nā kiki |
Kumu | Hoʻopili i kahi hana / lima lima e disc; Nā Kūlana Transmits | Kila kohu ʻole (410, 431), Nā kinile koho me ka paʻakikī / hana |
Disc / Plug | Hoʻolaha ke kaheʻana; e noho ana i ka noho | Kila kohu ʻole, ʻO ka kila paʻakikī, Kolon Mloys; Nā hiʻohiʻona palupalu (Ptfe, Rtfe) Koho koho |
Ke kani leo | Waiho i ka papa | Kila kohu ʻole, ʻO nā'ōlapaʻo Stellite, NA HALE LOA |
Paliole | Pale aku i ka leakage ma ke kumu lāʻau | Ptfe, mooki, ʻO ka fiber aramid, kiʻi kiʻi |
Gland & Gland flange | E hoʻopili i ka pale; Eʻae i ka mālamaʻana | Like me ke kumu o ka bonnet |
Kahawai | Hoʻohui, uila uila, Pneumatic a hydraulicic | ʻO nā mea hana - nā mea hana hana kūpono no kēlā me kēia mea hana |
Nā mea paʻa | E hoʻopaʻa iā Bonnet i ke kino | Alloy a iʻole nā bolts kila kila / Nā Stuluts |
Ka mea nui o ka hoʻolālā no ke kaomi, ʻO ke kūlana a me ke kū'ēʻana.
Pono ke kohoʻana i keʻano o ke kino o ke kino ma keʻano o ka hoʻonohonohoʻana o ka hoʻolālāʻana i ka'ōnaehana (E.g., Asme papa 150-2500) a me ka chedid chid (Kuupuiawi, oluation, pepehi).
Ua kohoʻia nā noho a me nā trims i ke kaulike e waiho ana i ke ola ma ke olaʻana. Eʻaʻaʻai / Erosion; I ka lawelaweʻo Steam, Nā poʻi paʻakikī (Lealea) he mea maʻamau e pale aku i ka erosion a me ka cavitation.
4. Nāʻano o nā awāwa honua
ʻAʻole hoʻokahi wale nō nā hua waina honua, hoʻokahi-nui-kūpono-āpau: ko lākou mau geometry, Ua hoʻoponoponoʻia nā Trim Trim a me ka hanaʻana i nā pono noi (lowl low vs recore, ʻO ka lawelawe kiʻekiʻe ΔP, manual ma ke kāohi).
Ma ke kaheʻana (ke kino kino)
Pololei-a puni (T-type) Globe Valve
Goody: ʻO ka Inlet a me nā awa Outlet; kaheʻana ma ka noho ma o ka noho a noho i ke ala maʻamau.Nāʻano hiʻohiʻona & ʻO ka pōmaikaʻi
- ʻO Glock Glalbe Glall, Hoʻohālikelike kino.
- ʻO ka paleʻana i ka pale maikaʻi me nā hiʻohiʻona cv.
PAHUI - ʻO ka paʻakikī kiʻekiʻe loa o ka loliʻana o ke aniani no ka mea e hoʻohuli a hoʻololi paha i ke ala ma ke ala noho.
- ʻO nā mea hana e hana ai i nā mea hana a me nā mea hana nui no ka nui o ka nui / cv.
Hoʻohana maʻamau - Liʻiliʻi i nā valedit ma waena o kahi e kū pololei ana a me ka paleʻana i nā keiki.
Angle Globe Valve
Goody: inlet a me waho; Noho ka noho ma ke kihi no laila huli ke kahe i hoʻokahi manawa.
Nāʻano hiʻohiʻona & ʻO ka pōmaikaʻi
- ʻO ka pōmaikaʻi pick: Hoʻopili i kahi kuʻekuʻe, Ke mālama nei i kahi flange a me ka pākaha o ka pā.
- ʻOi aku ka liʻiliʻi o nā pale a me nā mea i hoʻopiliʻia ma mua o ke aniani pololei no ka meaʻaʻole e hoʻohuliʻia ke kahe.
- Maikaʻi no ka heleʻana o ke kaheʻana a me nā lawelawe i kahi e kū ai i lalo.
PAHUI - ʻOi aku ka nui o ka loaʻaʻana o ka hāʻuleʻana ma mua o nā hale kūʻai / ball; Hiki i ke kino kino ke nui no ke kiʻekiʻe CV kiʻekiʻe.
Hoʻohana maʻamau - Slurries, Nā pāpale Steam, Nā Kūlana Kūʻai / Drain, Nā lawelawe me nā mea i hoʻopaʻaʻia.
Y-pastort globe valve (Oblique stem)
Goody: ʻO ka'ōpala a me ka plug (~ 30 ° -45 °) i ke kahe ana; ʻOi aku ka nui o ke ala o ke kahe ma mua o nā aniani.
Nāʻano hiʻohiʻona & ʻO ka pōmaikaʻi
- Hoʻemiʻia ka paleʻana o ke kahe (hoʻohaʻahaʻa k) a me ka haʻahaʻa haʻahaʻa ma mua o ka globe pololei-maʻamau 20-60% e like me ka hydraulic resistivation ma muli o nā trim.
- ʻOi aku ka maikaʻi no ka holo kiʻekiʻe me nā pono; koho pinepineʻia kahi i kahi e pili ana i ke kaomiʻana he hopohopo akā e koiʻia ka mana honua.
PAHUI - ʻOi aku ka nui o ka subnetx bonnet / packing geometry; ka emiʻana o ka compact ma mua o ka honua pololei i kekahi mau nui.
Hoʻohana maʻamau - ʻO nā awāwa nui nui, Nā lawelawe ma kahi o kahi e hoʻohālikelike ai ma waena o ka throttling pololei a me lalo o Δp e koiʻia.
Ma ka hana / HanaIa
Hoʻohui (LandWheel / Kaukau Hana)
ʻO ka pōmaikaʻi: Mālu, uku haʻahaʻa, rousst; ka mana aupuni koke.
Cons: palena palena (ʻaʻole kūpono no nā valves nui / kiʻekiʻe ΔP), ʻAʻole kūpono ka hana manual no nā kaʻina hana automated.
Noi: kaawalewa, Nā lawelawe hana pono, Nā hana liʻiliʻi liʻiliʻi.
Nā'Āina Pneauticatic
ʻO ka pōmaikaʻi: pane wikiwiki, kiʻekiʻe kiʻekiʻe no ka nui, Hoʻopili maikaʻiʻia i nā hoʻonohonoho nui, E maʻalahi e hoʻopau i ka paniʻole a iʻole ka weheʻana me ka hoʻihoʻiʻana me ka pukaʻana o ka puna.
Cons: koi i ka ea hana; Pono ka mea hoʻonoho no ka hoʻokele proporonal.
Noi: Ke kaʻina hana i ka kemika, petrochemimical, Nā mea kanu mua.
Nā mea hana manuahi
ʻO ka pōmaikaʻi: pololei pololei, Hoʻohui maʻalahi me nā'ōnaehana kamepiula, ʻAʻole koiʻia ka ea i koiʻia.
Cons: lohi ma mua o ka pneuatic, Pono paha i nā gearboxes no ka'āina nui, Pono e hoʻopiliʻia nā pōʻino uila ma kekahi mau wahi.
Noi: ka hoʻokele mamao, kahi a kahi pololei a me nā diagnostics he mea nui loa.
ʻO nā mea hana hydraulic
ʻO ka pōmaikaʻi: kiʻekiʻe loa a me ka wikiwiki wikiwiki no nā valena nui a kiʻekiʻe loa ΔP.
Cons: huanui, Hiki mai, a pono no no ka papa mana hydraulic.
Noi: subesa, ʻO nā kumu waiwai nui, nā lāʻau lapaʻau kiʻekiʻe.
E ka lāʻau a me ka hoʻolālā kūloko (hana subtypes)
E wehewehe i ka hana hoʻomalu, ʻO ka mālamaʻana i ke ola a me ke ola esosive.
- Flat-disc / Nā kikowaena papa: Mālu, rousst; maikaʻi no ka wā'ōpiopio nui akā ua kaupalenaʻia ka paleʻana.
- Plug / a puni i ka trim trim: smooother flow characterisistic aʻoi aku ka maikaʻi o ke kauʻana no nā hana hoʻomalu.
- NaniAle / ʻO nā mea alakaʻi alakaʻi: maikaʻi maikaʻi ma nā kahe haʻahaʻa (hale kūʻai'oleS).
- ʻO ka papa hana lehulehu / Kālā Kaila Hōʻailona: E hoʻokaʻawale i ke kaomiʻana i nā wahi e hoʻopau ai i nā pae e hōʻemi i ka cavitation, kani a me ka erosion-pono no nā lawelawe mālama ΔP kiʻekiʻe.
- ʻO nā hoʻolālā hoʻolālā kūpono: E hoʻohui i nā pauku e pili ana i nā pauku e hoʻololi i nā pūʻali a Axial Net Actiial a me Stem Torque i nā Velus Maluhia.
ʻO nā hoʻolālā kūʻaiʻana i nā hale kūʻai
ʻO nā Valbe Blogbe Blogbe
Nā hiʻohiʻona hiʻohiʻona: hoʻonui i nā bonnets e mālama i ka paleʻana ma luna o ke anuanu, ʻO nā mea haʻahaʻa haʻahaʻa haʻahaʻa (austetitic insinless, Nā Alanui Hana), E kāohiʻia i kaʻaeʻana.
Noi: Lng, Ke mālama neiʻo Cryogenic a me ka hoʻoiliʻana.
Nā Manaʻo koʻikoʻi: ʻO ke kohoʻana a me ka kohoʻana i ke kohoʻana he mea koʻikoʻi no ka mea nui o nā mea waiwai ma nā haʻahaʻa haʻahaʻa.
Ikaika nui / ʻO nā hualoaʻa kiʻekiʻe kiʻekiʻe
Nā hiʻohiʻona hiʻohiʻona: nā kino a iʻole nā poʻo kaumaha, Nā BolLoted / Welded Bonsonets, ʻO ka piʻi kiʻekiʻe kiʻekiʻe, ʻO nā noho metala-to-metala a paʻakikī paha (Lealea).
Noi: Nā Turines Steam, nā poʻo kiʻekiʻe kiʻekiʻe, Nā pūpū Supercritical.
Nā Manaʻo koʻikoʻi: ʻO ka uluʻana o ka Thermal a hōʻailona i ke kiʻekiʻe kiʻekiʻe e koi ai i nā mea waiwai e mālama pono ai a me ka hoʻolālā bonnet.
E kāohi i nā kino Blobe Valbe (lawelaweʻana i ka lawelawe)
Nā hiʻohiʻona hiʻohiʻona: hana hoʻopunipuni (kūlike-pakeneka, Lauloa), Ke hoʻokūkū nei, trims anti-cavitation, wala andE.
Noi: Ke kaʻina hanaʻana i nā pale no ka kahe, Ka paipai, mahana a me ka pae.
Hana metric: ʻO ka mana o ka mana pinepine 50:1 i 200:1 Ke hilinaʻi nei ma luna o Trim.
'Ākena Anti-Cavitation / Nā Hoʻolālā Swing-atteument
Nā hiʻohiʻona hiʻohiʻona: ʻO ka hāʻuleʻana o ka hāʻuleʻana, Labyrinth Pass, a me nā mea hoʻowalewale ikaika e hōʻemi i ka laweʻana i ka cevitation cevion a me ke kaniʻana.
Noi: ʻO ka lawelaweʻo ΔP kiʻekiʻe, ke alo o nā wai wai.
ʻO nā Veited Vit-Seeted vs Haste-Seeted Valbe Valves Valves Valves
- Noho-noho: mahalaha loa, ʻO nā wai wai; robust akāʻoi aku ke kiʻekiʻe kiʻekiʻe.
- Noho mālie (Ptfe, Rtfe, PEEK): ʻO Bubble-paʻa paʻa i ka haʻahaʻa haʻahaʻa haʻahaʻa a me nā koi; kaupalenaʻia i keʻano hoʻohālikelike a me keʻano o ka helu o ka nohoʻana o nā wahi noho.
5. ʻO ka hanaʻana i ka mana
ʻO ka holoʻana o ka holoʻana ma o ka neʻe disc.
E like me ka piʻiʻana o ka disc mai ka noho, ʻO kahiʻano ala ala. ʻO ka hoʻololiʻana i ke kahe kahe, E hoʻopau i ka hoʻokele maikaʻi ma kahi kokoke i nā kūlana i paniʻia aʻoi aku ka nui o ka holoʻana i ka wā e wehe ai.
Kaomiʻana a me keʻano.
ʻO nā huapalapala uila e komo pū ai i kahi pahu kiʻekiʻe kiʻekiʻe ma mua o nā kumu kūpono no ka mea e loli ai ka loli.
ʻO ke poʻo o ke poʻo (K) No kahi valbe blobe ka maʻamau I kekahi mau manawa ʻoi aku ka nui ma mua o kahi'īpuka a iʻole ka pōpō ball o ka nui like-e hana pono ai iā lākou no ka hukiʻana i nā noi paʻakikī.
Hoʻolomoʻala'ōnaehana ASUL
ʻO ka maikaʻi o ka heleʻana i nā Valves i hōʻikeʻia ma o ka ua lawa (Cv), weheweheʻia e like me ka nui o ka wai i nā galani i kēlā me kēia minuke (gpm) e kahe ana i loko o kahi awāwa i 1 spit stick drop (Δp).
ʻO kahi CV kiʻekiʻe e pili ana i ka paleʻana i ka pale a me ka maikaʻi o ka uila.
Nā hua waina honua, ʻOiai maikaʻi loa no kaʻeha, Hōʻike i ka hāʻuleʻana i ke kūlana kiʻekiʻe i nā kūlana ākea piha i hoʻohālikelikeʻia i nāʻano'ē aʻe'ē aʻe.
ʻAno Valve | Cv (2-Inch Valve) | ΔP a 100 gpm (Psi) | Hui pū i ka hana a me ka. Y-pohō maikaʻi (%) |
Honua honua (Z-formler / Pololei-a puni) | 25 | 18 | 56% |
Honua honua (Y-kumu / Nā'ōpala) | 45 | 10 | 100% (baseline) |
Pōpō (Piha piha) | 250 | <1 | 556% |
Gates (Piha piha) | 240 | <1 | 533% |
Kukūlū | 150 | 8 | 333% |
6. ʻO nā hiʻohiʻona hana kiʻi
Ka helu ikaika
Kāleka ʻO nā papa kuhikuhi ansi / asme: 150, 300, 600, 900, 1500, 2500. ʻO ka pā pōhaku, ke kāʻeiʻana a me ka hoʻonohonohoʻana i ka hoʻonohonohoʻana i kēia mau papa a me nā kumuwaiwaiʻaeʻia.
Ua lawa & hoʻoili pūhaʻi
- Cv Hoʻohanaʻia no ka hoʻopiʻiʻana; hoʻoili pūhaʻi (huli i lalo) o ka hoʻokele waiwai 50:1-200:1 Ke hilinaʻi nei i nāʻano trim (kahua hoʻokahi, loko, ʻO ka papa hana lehulehu).
ʻO ke kūlana a me ke kū'ēʻana
ʻO nā lawelawe mahana e like me nā mea e pili ana i nā mea a me nā pale. Nā palena palena (kokoke.):
- ʻAihue kīwī: E piʻi iā ~ 450 ° C no ka lawelawe mau (hilinaʻi ma alloy).
- Austetitic insinless (304/316): E piʻi iā ~ 800-900 ° C no ka lawelawe o ka lawelawe, akā, paʻi a me nā hōʻailona e kaupalena mau ana.
No nā mea e kū'ē ai i nā chemistrive e hoʻohana i ka duplex, Super Duplex, nickel alloys (Molol, Hailani), a iʻole nā lole kūikawā.
Lekage papa a me ka ho'āʻoʻana
- Kii 598 (Ka nānāʻana a me ka ho'āʻo) ua hoʻohana maʻamauʻia no ka ho'āʻoʻana (ʻAne a me ka noho).
- Noho leʻa: No nā mea kanu i nohoʻia (PTFF / RFFE), hiki ke hoʻopaʻaʻia-paʻa; No nā mea kūʻai aku i nā kumukūʻai metala-noho i nohoʻia akā ua hoʻolālāʻia no ke kūlana kiʻekiʻe / erosion.
No nā kumu waiwai, E wehewehe anaʻo IEC / ISA mau i nā mea e wehewehe pono ai a me ka hoʻokūkū hoʻokūkū noho. E wehewehe mau i nā mea e koiʻia i nā leakage kiʻekiʻe e pono ai.
7. ʻO nā kaʻina hana hana o nā vanves honua
ʻO ka hanaʻana o nā valbe valbe vale he kaʻina hana likeʻole e hoʻohui i nā metallirgy, Maki, a me ka hōʻoia kūpono e hōʻoia ai i ka hana kūpono ma lalo o ke kaomi kiʻekiʻe, ka mahana kiʻekiʻe, a iʻole nā kūlana kūpono.
ʻO ka hana hana hana kūpono e pili pololei ana i ka nui, Leakage Cont, a me ka hana hana.
ʻO ke kino Globe Valve a me Bonnet Fabrication
1. Ke kāheaʻana a kalaʻole paha:
- Sand cread: Maʻamau no ka kila carbon, kila kohu ʻole, a me nā awāwa hao hao. He kūpono no ka paʻakikī o ke kino paʻakikī a me nā helu haʻahaʻa haʻahaʻa.
- Hoʻolei kālā: Hoʻohanaʻia no ka liʻiliʻi, ʻO nā mea kūʻai kiʻekiʻe kiʻekiʻe e koi ai i ka intricate intricate kūloko a me nā mea paʻa paʻa.
- Kākau: Pili i ke kiʻekiʻe kiʻekiʻe a kiʻekiʻe paha (Ansi papa 900 a ma luna) No ka ikaika ikaika, huakai, a me kaʻehaʻeha.
2. ʻO ka hana wela:
- Ke kaumaha nei ke kaumaha, hana maʻamau, a iʻole e hōʻemi i nā kaumaha kūlohelohe a hoʻomaikaʻi i nā waiwai mechanical.
- Koʻikoʻi no nā māhele no ka paleʻana i ka maʻi i ka wā o ka machining a mālama i ka paʻa o ka dimensional.
Machimen
Kumu: Hoʻokō i nā mea hana kūpono ma nā papa hōʻailona, nā kumu kanu, Nā maka o Fladge, a me nā paila o loko.
ʻO nā hana maʻamau maʻamau:
- Ke huli ana a me ka hoowahawaha: No ke kino a me ke kino, Nā alakaʻi alakaʻi, a me nā'āpana disc.
- MilightʻAʻole: No nā maka ahi, nā hiʻohiʻona bolt, a me ka hoʻonohonohoʻana i nā papa papa.
- Kūhā / Paulapu: Noho ka noho a me nā papa disc a iʻole i hoʻopaʻaʻia no ka hoʻopaʻaʻana i ke kauʻana a me keʻano kūpono.
- Heluhelu: Loko a me nā kaula waho no ka lāʻau, Nā NUCCE NUT, a me na mea paakiki.
Ka noʻonoʻo nui: ʻO nā mea e hoʻopili pono ai i nā mea e pili ana i ka lole Valve Lekat. ʻO nā hōʻailona hōʻailona maʻamau e hele ai i nā'āpana o nā wahi..
Hana hana
Nā'āpana: Kāwili / plug, ke kani leo, Kumu, loko (Inā trim he nui), a me nā lāʻau.
Nā kaʻina hana:
- CNC Mīkini: ʻO nā'āpana kiʻekiʻe o nā disc, noho mau noho, a me nā kāpeti hoʻopunipuni.
- Kālā / ʻO ka balota overlay: Ua noiʻia ma nā wahi disc a iʻole nā wahi noho e hoʻomaikaʻi ai i ke komoʻana a me ka paleʻana o ka cavitation.
- Kaulike / Hoʻomālamalama: ʻO nā plugs ikaika e loaʻa ana i nā lua kūponoʻole e hōʻemi i nā lua e hōʻemi ai.
Nā loiloi maikaʻi: Ka paakiki, kūlike, a me ka hōʻike paʻakikī e hoʻomaʻamaʻaʻia no ka hana lōʻihi.
Kāhea
Nānuʻi:
- Sem a me ka hoʻonohonohoʻana: E hoʻokomo i ka pā i ka bonnet a hoʻopili i ka disc / plug.
- ʻO ka pā'ālua a me ka Gland: E hoʻouka i nā apo a me ke kīwī GLAGEN e hōʻoia i ka hana leak-manuahi.
- ʻO ka hoʻonohonohoʻana o Bonnet: Bolt bonnet i ke kino me ka gasket a iʻole ka nohoʻana.
- ʻO ka mauna: Pili ka manual, uila uila, Pnematic, a iʻole he mea hana hydraulic e like me ka mea e pono ai.
Hana maikaʻi loa:
- E hoʻohana i nā pono hana e pale aku ai i ka paleʻana i ka stim e kūlou a iʻole ka hana hewaʻole.
- ʻO Torque Bolts i loko o kahiʻano cross e hōʻoia i ka hōʻailonaʻana i keʻano.
ʻO ka ho'āʻoʻana a me ka mālama maikaʻi
ʻO ka ho'āʻoʻana o ka hydrostatic: A me ka noho a me ka noho e hōʻike ai i ka API 598 E hōʻoia i ke kūpaʻa ikaika.
Hōʻike hōʻike leakage:
- Nā Valled-Seated Valves: Nā Kūlana Bubble-paʻa.
- Nā mea kanu-noho i noho ai: ʻAeʻia ka leakage i weheweheʻia i kēlā me kēia noi; pinepine <0.5% o ke kahe ana.
ʻO ka hōʻike hoʻokaumahaʻole (Ndt):
- DENA PEVERETRAT, Magnetic Particle, hoʻoili pūnaewele, a iʻole ka nānāʻana i ka ultrasonic no ka mālamaʻana a iʻole nā hewaʻole.
Kahe a me ka ho'āʻoʻana:
- ʻO kekahi mau valves ma lalo o ka hōʻoia cv, Nā Manaʻo Stroke, a me ka mea hana kūpono e hōʻoia i ka hana hana.
Ka mālamaʻana a me ka hoʻopauʻana
- Kāleka / Epoxy coating: ʻO ka paleʻana o ka paleʻana o waho no nā valves kila carbon.
- Hoʻolauna: ʻO nā mea kūʻai aku e hoʻoneʻe ai i ka hao hao e wehe i ka haoʻole a hoʻomaikaʻi i ke kū'ēʻana.
- Electroplating / PTFE COWE: Koho no nā papa papa e hōʻemi ai i ka friction a me ka hoʻouka kauaʻana.
8. Loaʻa nā waiwai o ke aniani honua
Hāʻawi nā Vlabe Valves i nā pōmaikaʻi kūʻokoʻa e hana iā lākou i meaʻole i hikiʻole iā lākou ke paleʻia:
- E nānāʻia: ± 1-2% ka hopena e like me ka pololei, vsa. ± 5-10% no nā lāʻau ball. Koʻikoʻi no nā kaʻina e like me ka mālamaʻana 0.5% ʻO ka laweʻana o Turbine e loli i nā mea kanu kiʻi.
- Bi-kuhikuhi hōʻailona: Hiki ke hoʻopauʻia i ke ala (ʻAʻole like me nā Valda Gate, ʻo ia kahi hōʻailona ma kahi hoʻokahi). Hoʻemi i ka piping pickcity a me ke kumukūʻai.
- Hoʻomaʻamaʻa maʻalahi: Nā'āpana kūloko (Disc, noho, Paliole) e hoʻohuliʻia me ka weheʻoleʻana i ka valve mai ka pipeline. ʻOkiʻoki i ka mālama mālamaʻia e 50% vsa. ʻO nā hualoaʻa pōleʻa.
- Paʻa paʻa paʻa: ʻO nā hoʻolālā i hoʻopaʻaʻia e hoʻokō i ka ISO 5208 Palapala VI Lekage, He kūpono no nā wai momona a iʻole.
- ʻO nā papa inoa nui: Kūpono me nā wai āpau (nā wai, nā lāʻau, slurries) a me nā kūlana hana (-269° C i 1,090 ° C, 0-4,200 psi).
9. Nā palena o nā huaʻala honua
ʻOiai kā lākou ikaika, Loaʻa i nā valbe valls i loaʻa i nā mea e hoʻopili ai i kā lākou hoʻohanaʻana i kekahi mau noi:
- ʻO ka hāʻule kiʻekiʻe: ΔP he 5-10 × kiʻekiʻe ma mua o nā hale kūʻai / ball (E.g., 18 psi vs. <1 psi no kahi valve 2-inch ma 100 gpm). Hoʻonui i nā kumukūʻai o ka ikehu i ka 10-15% no nā'ōnaehana kiʻekiʻe.
- Nui nui a me ke kaumaha: He 2-inch globe balve he mau kaupaona 30-50% ma mua o kahi pōpō pōpō o ka nui like (E.g., 25 lbs vs. 17 lbs). Hoʻonui i nā kumukūʻai kau inoa a me nā pono o nā wahi.
- Mea wikiwiki: Pono nā Vlabe Vlaves Valves i nā kekona 30-60 e wehe / kokoke, vsa. 1-5 kekona no nā kumu ball. ʻAʻole kūpono no ka paniʻana o nā panina (ESDS).
- ʻAʻole kūpono no ka holo kiʻekiʻe holoʻokoʻa / kokoke: ʻO CVʻo 5-10 × i lalo ma mua o nā boot ball / data, ka hanaʻana iā lākou no ka nui o nā pipela nui-nui (≥12 iniha).
10. ʻO nā palapala noi o nā hualoaʻa honua
Mana pā'āʻu (māhu & wai). ʻO nā huapalapala uila e mālama ai i ka mea hānai, BYPPOS A ME KA LOA ANA.
'Āpanaʻoihana: steam ma 10-160 bar a a hiki i 520 ° C (Pono e kohoʻia nā lako).
Petrochemimical & Kekau. Ke heleʻana o nā wai o ka corrosive, kaohiʻana o nā kahawai o nā kahawai, a me ke kumu hoʻohālike. Nā mea likeʻole e like me ka wikiwiki a iʻole ka fuclex he mea maʻamau.
Hvac & Ke hana kino wai. Kaulike, ka hoʻokaʻawaleʻana a me ka mālamaʻana i loko o ka wai chilled a me nā'ōnaehana o ka moku.
Pono & Nā Pīpeku hau & E hōʻoluʻolu. Holo Remulation, ʻO nā'ōnaehana paʻa a me nā'ōnaehana palekana (ʻO nāʻano Valve Valve me ESD Logic).
MAKAU NOIA: Ka Makani, pulp & Pepana, Nā'ōnaehanaʻo Marine, CRERETRACESS (me ka hoʻolālā kūikawā).
11. Hoʻohālikelike me nāʻano'ē aʻe
Pili / Pākaukau | Globe Valve | ʻO ka haleʻo Valve | Ball valve | Butterfly Vy | Kālā Lalli |
Hana phite | Ke kuahi o / Kaho kahe | Kaawalewa / Ma luna | Kaawalewa / ʻO kahi paʻa wikiwiki | Kaawalewa / Kālā papa | Wehewehe pono |
Ke Alanui Lahui | ʻO ka neʻe disc neʻe; ke kuahi o | ʻO Linear Tapts e hāpai i ke ala o ke ala | Eʻimi ana i ka pōpī me ke awa | Ke hoʻololi nei i ka disc me ka kahe'āpana | Maikaʻi maikaʻi |
Ua lawa (Cv) | Loli (wehe piha piha) | High (ka minul ΔP i ka wā e wehe piha ai) | Kiʻekiʻe loa (port piha) | ʻO ke kiʻekiʻe kiʻekiʻe | Hoʻohaʻahaʻa (Mālama maikaʻi) |
Kaomiʻana | Kiʻekiʻe ke wehe piha | Hoʻohaʻahaʻa | Haʻahaʻa loa | Loli | High (haina liʻiliʻi) |
Throttling pololei | Kūpono | Ilihune | Ilihune | Loli | Kūpono |
Moe | Bi-kuhikuhi, ʻO ka metala a palupalu paha | Bi-kuhikuhi, mea maʻamau | Bi-kuhikuhi, palupalu a ptfe paha | Noho maʻamau | Kū hoʻokahi, Noho noho wāwae |
HanaIa | Hoʻohui, uila uila, Pnematic, hydraulic | Hoʻohui, uila uila, Pnematic | Hoʻohui, uila uila, Pnematic | Hoʻohui, uila uila, Pnematic | Hoʻohui, uila uila |
Mālama | ʻO ke komo kūloko kūloko | Loli, Pono pinepineʻo Gland / Bondnet | Loli, ʻO ka hoʻololi maʻalahi / ball ball | Loli, Ke hoʻololi nei | Pono paha e hoʻoponopono pinepineʻia |
Nā noi maʻamau | Māhu, Kekau, wai, ʻO ka mālamaʻana i ka wai kiʻekiʻe | Nā laina wai, kaawalewa, Poolali | Aila, pono, ke kūlohelohe | Hvac, ka wai wai, nā kahe haʻahaʻa haʻahaʻa | Kākau, mika, Kekuhi |
Loaʻa | E nānāʻia, bi-kuhikuhi, Nā mea waiwai | ʻO ka hōʻemi haʻahaʻa haʻahaʻa, kumukūʻai-kūpono no ka hoʻokaʻawaleʻana | Hana wikiwiki, low Δp | Māmā māmā, kumukūʻai-maikaʻi, kūpono no nā'āpana nui | Pumona nui, ʻO ka Lāpule maikaʻi |
PAHUI | ʻO ka hāʻule kiʻekiʻe, kino koʻikoʻi, sorque-ikaika | ʻO kaʻeha maikaʻi, hana lohi | ʻO ka mokuahi maikaʻi | Palena palena, hiki i ka leakage | ʻO ka nui o nā kahe liʻiliʻi, ʻO ka hāʻule kiʻekiʻe |
12. Nā mea hou aku a me nā hiʻohiʻona
ʻO nā valpe akamai
- It hoʻohui: ʻO nā Valves i lako me ke kaomi, keka ao, A Nā Mīīliʻu hoʻoolani (E.g., Rosamon Rosmount 3051) Hoʻouna i nāʻikepili maoli-manawa i nā'ōnaehana SCAD.
ʻO nā algorithms kai wānana i ka lole noho (3-6 mau mahina i mua) a me ka hihia, e hōʻemi ana i ka downtime iʻole 30%. - Nā hana uilaʻole: Nā hana hana uila-pôpeku (10-Nā Ola Hope) E hiki i ka hana mamao mamao ma waho o nā wahi a iʻole nā wahi mamao, Ke hoʻopau nei i nā uku hoʻolimalima ($50,000+ per valve).
Nā mea hana hou
- Nā Kūlana Kūʻai Cerramix (ʻO CMCs ka maikaʻi loa): Cmc bros griedy 1,200 ° C (vsa. 815° C no Wondely C276), He kūpono no nā mea hou o nā pūʻali nukle e like me nā'ōnaehana mokulele mokulele.
- ʻO nā noho carphene-hoʻonui: Nā noho ptf me 0.1% ʻO ke kākuhi hoʻohui cuphenent 50%, ka hoʻonuiʻana i ke ola o ke ola mai 10,000 i 15,000 Nā Pāʻani Pūnaewele.
3Nā'āpana D-PRTED
- Mea hoʻohuiʻaha: 3D-PRGED CAGE-TRANDED Discs (Ke kaʻina slm) me nā awa paʻakikī paʻakikī (E.g., ʻO nā wahi i hāʻule i ka lehulehu) hoʻomaikaʻi i ka'ā'ī 20% vsa. Nā disc.
- Hoʻopiʻi wikiwiki: 3Nā Kūlana Kūʻai D-PRCHTED no ka hoʻopukapukaʻana i ka hoʻopukapukaʻana i ka hōʻemiʻana i ka manawa alakaʻi mai 4 hebedoma i 2 nā lā no nā hoʻolālā kumu kūʻai maʻamau.
13. ʻO nā kūkulu mua
ʻOihana Kahuna 4.0 Hoʻohui
- Kālā Mea: ʻO nā'ōlelo hou o nā valbe bort (Ua e3d) Hoʻohālike i ka hana ma lalo o nā kūlana hoʻololi (Ka paipai, keka ao), ka hoʻoponoponoʻana i nā papa hana hana a me ka hōʻemiʻana i nā overhalus e 20%.
- Mālama pono: ʻO nā hiʻohiʻona hoʻonaʻauao mīkini i kaʻikeʻana i nāʻikepili sensor e wānana i nā hemahema me 90% pololei, E mālama pono i ka mālamaʻana i ke kūlana (vsa. hana-pili).
Māmā a me nā hoʻolālā kiʻekiʻe kiʻekiʻe
- Nā kino composite: Carbon fuck-reinforced polymer (Cfrp) Hāʻawi nā kino i ke kaumaha ma 40% vsa. mea meta, Kūpono no ka aerospace a me nā'ōnaehana wai kaʻa kaʻa.
- ʻO nā hua waina haʻahaʻa-Δp: Cfd-optinized flow track flow e hōʻemi i ka hāʻuleʻana o ka hāʻule 20% vsa. Nā hoʻolālā maʻamau Y-Kūʻai, ʻO kaʻokiʻana i nā kumukūʻai ikaika 15%.
ʻO nā hopena kūlohelohe a me nā hopena ikaika
- ʻO nā pale haʻahaʻa haʻahaʻa: Kiʻi kiʻi kiʻi-ptfe hybrid i hōʻemi i nā hopena fugitive e 95%, ka hoʻopiʻiʻana me nā'ōnaehana Greenhoul Green Gaslutions Green (40 CFR'āpana 63).
- Nā mea hou: 90% Ua hōʻemi nā kumuwaiwai kila i nā kino o nā ceel 40% vsa. ʻO nā kila wahine, ka hoʻopiʻiʻana me nā pahuhopu net-zero.
14. Hopena
ʻO nā valbe valls nā mea i hoʻopaʻaʻia ma kahi e kū pono ai ka pauʻana o ke kaheʻana a me ke kūpaʻa kūpono.
Hāʻawi kā lākou hoʻolālā i ka mana o ka mana o ka mana o ka mana a me ke kumukūʻai o ke kiʻekiʻe kiʻekiʻe a me nā mea hana nui.
E koho pono i nā koho, ʻO ka hoʻonohonoho hoʻonohonohoʻana a me ka hanaʻana i ka hana a me ke ola o ke ola lōʻihi a me ke ola o ke ola o ke ola.
ʻO nā holomua hou i ka hana akamai, Hoʻolālā ka hoʻolālāʻana a me nāʻepekema hoʻolālā e hoʻonui i ka pono o ka pono o ka honua a me nā kaʻina hana.
FaqS
Pehea wau e nui ai ka nui o ka blobe blobe no kahi laina hana?
Hoʻoholo i ke kahe nui, ʻO nā waiwai wai a me kaʻaeʻaeʻia.
E hoʻohana i nā hoʻohālikelike cv (Cv = q √(Sg / Δp) No nā mea kaulike wai) a me ka nīnauʻana i nā papa hana Trim Trim mai nā mea hana.
ʻO nā huapalapala kelepona i kūpono no ka lawelawe / lawelawe?
ʻAe - Hāʻawi lākou i kahi pani maikaʻi. No ka wikiwiki ma / OFF ma nā'āpana nui, ʻO ka pōpō a iʻole nā mea kanu butterfly paha eʻoi aku paha.
He aha ka pono o ka papa hana maʻamau no kahi valbe globe?
Ua hilinaʻiʻo Torying ma ka nui o ka Valve, kaomiʻana, ʻO keʻano noho a me ka hana kūpono.
ʻo kahi laʻana, E koi paha kahi liʻiliʻi liʻiliʻi 1 "-2" <50 N · m, ʻOiai he 6 "-12" i lalo o ke kumu kiʻekiʻe e pono ai ke koi i kekahi mau haneli i mau tausani N · m. E hoʻohana mau i nā pihi Torque.
Pehea e hana ai i nā vale globe i ka mālamaʻana i ka cavitation?
Hiki i nā Trims ke Erode ma lalo o ka cavitation. E hoʻohana i nā hana a iʻole nā mea hoʻokūkū anti-cavitation, ʻO nā pēpē i hoʻopaʻaʻia, a hōʻemi paha i ka ΔP ma waena o ka Valve e hoʻokele i ka cavigate.
Hiki ke hoʻololiʻia kahi valbe globe i kahi valve kaohi?
ʻAe - ua hoʻolālāʻia nā hua waina honua e like me ka mana o nā kino valve a me nā mea hana, nā kūlana a me nā mea hoʻokele.
Pono e noʻonoʻo pono i ka'ōlelo Valve Valve, Cv, ʻO ka walaʻau a me ka pale cavike.