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Kenyelletso e khutšoane ea valve ea bolo le ts'ebetso ea eona (2)

API6D bolo valve2

4 libolo tightness
Ntho ea bohlokoa ka ho fetisisa ea ho tiisa setulo bakeng sali-valve tsa boloke polytetraoxyethylene (PTFE), e nang le kutloelo-bohloko hoo e batlang e le lintho tsohle tsa lik'hemik'hale, 'me e na le coefficient e tlase ea likhohlano, ts'ebetso e tsitsitseng, e seng bonolo ho tsofala, mefuta e mengata ea mocheso oa mocheso le ts'ebetso ea ho tiisa.Leha ho le joalo, thepa ea 'mele ea PTFE, ho kenyelletsa le coefficient e phahameng ea katoloso, kutloelo-bohloko ho phallo e batang le ho se sebetse hantle ha mocheso, ho hloka moralo oa litiiso tsa li-valve ho tsepamisa maikutlo holima litšobotsi tsena.Thepa ea polasetiki ea tiiso ea setulo sa valve e boetse e kenyelletsa PTFE e tlatsitsoeng, nylon le lisebelisoa tse ling tse ngata.Leha ho le joalo, ha thepa ea ho tiisa e e-ba thata, ho tšepahala ha tiiso ho tla senyeha, haholo-holo tabeng ea phapang e tlaase ea khatello.Ho feta moo, rabara ea maiketsetso e kang rabara ea butyl e ka boela ea sebelisoa e le thepa ea ho tiisa setulo sa valve, empa lithethefatsi tsa eona tse sebetsang lipakeng le mocheso li fokotsehile.Ho phaella moo, haeba sehare se sa tlotsoe, tšebeliso ea rabara ea maiketsetso e ka 'na ea jama bolo.
E le ho finyella litlhoko tsa tšebeliso ea lisebelisoa tsa indasteri tse kang mocheso o phahameng, khatello e phahameng, khoholeho e matla, bophelo bo bolelele, joalo-joalo, li-valve tsa bolo tse tiisitsoeng ka tšepe li 'nile tsa ntlafatsoa haholo lilemong tse leshome tse fetileng.Haholo-holo linaheng tse tsoetseng pele tsa indasteri, tse kang United States, Italy, Jeremane, Spain, Netherlands, joalo-joalo, sebopeho sa valve ea bolo e 'nile ea ntlafatsoa ka mokhoa o tsoelang pele,' me ho bile le li-valve tsa bolo ea 'mele tse patiloeng ka ho toba, ho phahamisa. li-valve tsa bolo, le liphaephe tsa bolo liphaepheng tsa libaka tse telele, lisebelisoa tsa ho hloekisa oli, joalo-joalo Sebaka sa indasteri se sebelisoa haholo, se nang le bophara bo boholo (3050mm), khatello e phahameng (70MPa) le mocheso o pharaletseng (-196~8159C) li-valve tsa bolo tse hlahang, e le hore theknoloji ea valve ea bolo e fihle boemong bo bocha.
5 Moralo le tlhahiso ea li-valve tsa bolo
Ka lebaka la ts'ebeliso ea Computer Aided Design (CAD), Computer Aid Manufacturing (CAM) le Mulberry Manufacturing System (FMS) indastering ea li-valve, moralo le tlhahiso ea li-valve tsa bolo li fihlile boemong bo bocha.Ha se feela hore e ntlafalitse mokhoa oa lipalo oa moralo oa li-valve, empa hape e fokolitse mosebetsi o boima le o pheta-phetoang oa moralo oa basebetsi ba litsebi le tsa theknoloji, e le hore litsebi li be le matla a mangata a ho ntlafatsa, ho ntlafatsa ts'ebetso ea sehlahisoa le nts'etsopele ea lihlahisoa tse ncha, le ho khutsufatsa lipatlisiso le potoloho ea ntlafatso ea lihlahisoa tse ncha., Ntlafatsa tlhahiso ea basebetsi ka mokhoa o pota-potileng, le ts'ebetsong ea lipatlisiso le nts'etsopele ea ho phahamisa molamu oa mofuta oa tšepe o tiisang bolo, ka lebaka la ts'ebeliso ea CAD/CAM, folete e pharalletseng ea spiral e entsoeng ka moralo o thusoang ke komporo le komporo. -aid lisebelisoa tsa mochini oa CNC li hlahile, e leng tiiso ea tšepe.Sesepa sa bolo ha se na likhahla le ho apara nakong ea ho bula le ho koala, e le hore ts'ebetso ea ho tiisa le bophelo ba tšebeletso ea valve ea bolo e ntlafatsoe haholo.Ha valve ea bolo e butsoe ka ho feletseng, ho hanyetsa ho phalla ho nyane haholo, hoo e batlang e lekana le zero, kahoo valve ea bolo e lekanang le bophara e sebelisoa haholo liphaepheng tsa oli le khase hobane ho bonolo ho hloekisa pipeline.Hobane bolo ea valve ea bolo e hlakoloa nakong ea ho bula le ho koala, li-valve tse ngata tsa bolo li ka sebelisoa mecheng ea litaba ka likaroloana tse tiileng tse emisitsoeng.Ho itšetlehile ka thepa ea lesale la ho tiisa, e ka boela ea sebelisoa ka phofo le mecha ea litaba ea granular.
6 Linako tse sebetsang tsa valve
Kaha valve ea bolo e atisa ho sebelisa rabara, nylon le polytetraoxyethylene e le lisebelisoa tsa ho tiisa setulo, mocheso oa eona oa tšebeliso o lekanyelitsoe ke lisebelisoa tsa ho tiisa setulo sa valve.Phello e khaotsoeng ea bophara ba bolo e finyelloa ke bolo ea tšepe e hatelloang pakeng tsa litulo tsa li-valve tsa polasetiki tlas'a ketso ea seaplane (valve ea bolo e phaphametseng).Tlas'a ketso ea khatello e itseng ea ho ikopanya, selikalikoe sa ho tiisa setulo sa valve se holofala ka mokhoa o tsitsitseng le oa polasetiki libakeng tse ling.Phetoho ena e ka lefella ho nepahala ha tlhahiso le bokhabane ba holim'a bolo, le ho netefatsa ts'ebetso ea tiiso ea valve ea bolo.
Ho phaella moo, kaha lesale la ho tiisa setulo sa valve ea bolo hangata le entsoe ka polasetiki, ha ho khethoa sebopeho le ts'ebetso ea valve ea bolo, hoa hlokahala ho nahana ka ho hanyetsa mollo le ho hanyetsa mollo oa valve ea bolo, haholo-holo petroleum, lik'hemik'hale, metallurgical le likarolo tse ling, mecheng ea mecha ea phatlalatso e tukang le e phatlohang Tšebeliso ea li-valve tsa bolo ka thepa le tsamaiso ea liphaephe tsa United States e lokela ho ela hloko haholoanyane ho hanyetsa mollo le ho thibela mollo.
Ka kakaretso, ka phetoho ea maemo a mabeli, ts'ebetso e tiileng ea ho tiisa, seretse, abrasion, mocha oa ho koala, ho bula le ho koala ka potlako (1/4 ho bula le ho koala), ho khaola khatello e matla (phapang e kholo ea khatello), lerata le tlaase, cavitation le vaporization, Litsamaisong tsa liphaephe tse nang le palo e nyane ea ho lutla sepakapakeng, torque e nyane ea ts'ebetso le ho hanyetsa mokelikeli o monyane, li-valve tsa bolo li khothaletsoa.
Li-valve tsa bolo li boetse li loketse tsamaiso ea liphaephe tse nang le sebopeho se khanyang, ho fokotsa khatello e tlaase (phapang e nyenyane ea khatello), le mecha ea litaba e senyang.
Li-valve tsa li-ball li ka boela tsa sebelisoa ka mocheso o tlase (cryogenic) lisebelisoa le tsamaiso ea lipeipi.
Tsamaisong ea liphaephe tsa oksijene ea indasteri ea metallurgic, li-valve tsa bolo tse kileng tsa etsoa ka mokhoa o thata oa ho tlosa mafura lia hlokahala.
Ha mela e meholo ea liphaephe tsa oli le khase e hloka ho patoa ka tlas'a lefatše, ho hlokahala li-valve tsa bolo tse nang le bophara bo felletseng.
Ha ho hlokahala hore ho lokisoe ts'ebetso, valve ea bolo e nang le mohaho o khethehileng o nang le sebopeho sa V e lokela ho khethoa.
Ka peterole, petrochemical, lik'hemik'hale, matla a motlakase le kaho ea litoropong, li-valve tsa tšepe tse tiisitsoeng ka tšepe li ka sebelisoa bakeng sa liphaephe tse nang le mocheso o sebetsang ka holimo ho 200 ° C.
7 Melao-motheo ea tšebeliso ea li-valve tsa bolo
Bakeng sa liphaephe tsa oli le khase ea tlhaho, liphaephe tse hlokang ho hloekisoa, le ho patoa fatše, li sebelisa li-valve tsa bolo ea all-pass le all-welded ball;bakeng sa ho patoa fatše, khetha li-valve tsa bolo tse cheselitsoeng kapa tse nang le flanged;liphaephe tsa lekala , Khetha khokahanyo ea flange, khokahanyo ea welding, phallo e feletseng kapa e fokotsehile bophara ba bolo.
Bakeng sa liphaephe tsa lipalangoang le lisebelisoa tsa polokelo ea oli e hloekisitsoeng, sebelisa li-valve tsa bolo ea flanged.
Bakeng sa lipeipi tsa khase ea toropo le khase ea tlhaho, sebelisa li-valve tsa bolo tse phaphametseng tse nang le khokahanyo ea flange le khoele ea khoele e kahare.
Tsamaisong ea liphaephe tsa oksijene tsamaisong ea metallurgical, ho lokela ho sebelisoa valve ea bolo e tsitsitseng e kileng ea etsoa ka mokhoa o thata oa ho tlosa mafura le ho hokahanya ha flanged.
Bakeng sa lisebelisoa le lisebelisoa tsa liphaephe tsa mocheso o tlaase, li-valve tsa bolo ea mocheso o tlaase tse nang le li-bonnet li lokela ho sebelisoa.Sistimi ea lipeipi ea yuniti e thusang ea ho petsoha ha oli, ho ka khethoa valve ea mofuta oa lifti.
Lisebelisoa le liphaephe tsa mecha ea phatlalatso e senyang joalo ka asiti le alkali lits'ebetsong tsa lik'hemik'hale, ho eletsoa ho sebelisa li-valve tsohle tsa tšepe tse sa hloekang tse entsoeng ka tšepe e sa hloekang ea austenitic le polytetraoxyethylene e le setulo le lesale la ho tiisa.
Li-valve tsa tšepe tse tiisang tšepe li ka sebelisoa lits'ebetsong tsa liphaephe kapa lisebelisoa bakeng sa mecha ea litaba ea mocheso o phahameng lits'ebetsong tsa metallurgical, litsamaiso tsa matla, lits'ebetso tsa petrochemical le lits'ebetso tsa ho futhumatsa litoropong.
Ha ho hlokahala hore ho be le phetoho ea phallo, ho ka khethoa koloi ea liboko-gear, valve ea pneumatic kapa ea motlakase e nang le ho bula sebopeho sa V.


Nako ea poso: Jun-22-2021