Tšusumetso ea mocheso le khatello tšebetsong ea valve ea serurubele e kenyelletsa ts'ebetso ea ho tiisa, matla a sebopeho, ts'ebetso ea valve ea serurubele, jj.
Ts'ebetso ea kopano ea valve ea serurubele ke mokhoa o bonolo empa o rarahaneng.Ke feela ha mohato o mong le o mong o etsoa ka hloko moo valve ea serurubele e ka sebetsang ka mokhoa o tloaelehileng.E latelang ke tlhaloso e khuts'oane ea ts'ebetso ea kopano ea li-valve tsa serurubele.
Litokiso tsa li-valve tsa butterfly li ka fapana ho latela mofuta oa tšenyo kapa ho hloleha.E ka aroloa ka tlhokomelo, tokiso e akaretsang le tokiso e boima.
Nako ea ho bula le ho koala ha valve ea serurubele e amana le lebelo la ketso la actuator, khatello ea mokelikeli le lintlha tse ling.
t=(90/ω)*60,
Belofo ea heke ke belofo e sebelisetsoang HO PULA le HO TOMA ho phalla ha mokelikeli phaepheng.E bula kapa e koala valve ka ho phahamisa heke ho lumella kapa ho thibela ho phalla ha mokelikeli.E lokela ho totobatsoa hore valve ea heke e ke ke ea sebelisoa bakeng sa taolo ea phallo.
Ho na le mefuta e mengata ea li-valve tsa li-valve tsa serurubele ho latela tšebeliso ea li-valve tsa serurubele, boholo bo tloaelehileng ba li-valve tsa serurubele bakeng sa li-stocks bo tsoa ho DN50-DN600, kahoo re tla hlahisa li-valve discs ho ea ka boholo bo sebelisoang kamehla.
Liphapang, melemo le bofokoli ba valve ea serurubele le valve ke efe?Sehloohong sena, re e sekaseka ho tsoa likarolong tsa sebopeho, molao-motheo, boholo ba tšebeliso le ho tiisa.
Indasteri ea li-valve ea Chaena haesale e le e 'ngoe ea liindasteri tse etelletseng pele lefatšeng.'Marakeng ona o moholo, ke lik'hamphani life tse hlahelletseng le ho ba tse leshome tse holimo indastering ea li-valve tsa China?
Haholo-holo e itšetlehile ka boemo ba ho khutsa.Li-valve tsa ho hlahloba ho khutsisa feela li felisa lerata le ho fokotsa lerata.Li-valve tsa ho hlahloba tse khutsitseng li ka sireletsa le ho khutsisa molumo ha li sebelisoa.
khatello ea teko> khatello ea lebitso> khatello ea moralo> khatello ea ho sebetsa.
Molao-motheo o sebetsang oa valve ea serurubele sa motlakase ke ho khanna sesebelisoa sa phetisetso ka koloi ho potoloha poleiti ea valve, ka hona ho fetola sebaka sa mocha oa mokelikeli 'meleng oa valve le ho laola phallo.
Ho latela lipatlisiso le tlhahlobo, kutu ke e 'ngoe ea lintlha tsa bohlokoa tse bakang tšenyo ea li-valve tsa serurubele.
Ka hona, phekolo ea ho roala ka holim'a 'mele oa li-valve le poleiti ea li-valve ke mokhoa o sireletsehileng ka ho fetisisa oa ho sireletsa khahlanong le kutu sebakeng sa ka ntle.
Litiiso tse thata li entsoe ka tšepe, joalo ka li-gaskets tsa tšepe, mehele ea tšepe, joalo-joalo, 'me ho tiisa ho finyelloa ka ho ferekana pakeng tsa tšepe.Litiiso tse bonolo li entsoe ka thepa ea elastic, joalo ka rabara, PTFE, jj.
Li-valve tsa China tse ntseng li eketseha li romelloa linaheng tse fapaneng ho pota lefatše, 'me joale bareki ba bangata ba tsoang linaheng tse ling ha ba utloisise bohlokoa ba nomoro ea valve ea Chaena, kajeno re tla u isa kutloisisong e itseng, tšepo e ka thusa bareki ba rona.
Ho khetha pakeng tsa mefuta ena e 'meli ea li-valve tsa serurubele ho itšetlehile ka litlhoko tse khethehileng tsa kopo, ho kenyelletsa le mathata a sebaka, litlhoko tsa khatello, khafetsa ea tlhokomelo, le lintlha tsa tekanyetso.
Ho ea ka foromo ea khokahanyo ea flange, 'mele oa li-valve tsa serurubele o arotsoe haholo-holo ka: mofuta oa sephaphatha sa A, mofuta oa wafer LT, flange e le 'ngoe, flange e habeli, U mofuta oa flange.
Mofuta oa Wafer A ke sehokelo sa lesoba le se nang likhoele, LT mofuta oa 24" kaholimo ho lintlha tse kholo hangata o sebelisa matla a betere a mofuta oa U-mofuta oa li-valve ho hokahanya likhoele, pheletso ea phala e hloka ho sebelisa mofuta oa LT.
Valofo ea bolo e nang le V e na le kou e nang le sebopeho sa V ka lehlakoreng le leng la mokokotlo oa hemispherical valve.
Phallo ea mocha oa phallo ea valve ea bolo e nang le sebōpeho sa O e pota-potile, ho hanyetsa ha eona ho phalla ho nyenyane, 'me lebelo la ho fetola le potlakile.
Sehloohong se fetileng, re buile ka li-valve tsa heke le tsa globe, kajeno re fetela ho li-valve tsa serurubele le li-valve tsa ho hlahloba, tse atisang ho sebelisoa ho hloekisa metsi.
Belofo ke sesebelisoa sa taolo ea phaephe ea mokelikeli.Mosebetsi oa eona oa mantlha ke ho hokahanya kapa ho khaola ho potoloha ha sephaephe sa phaephe, ho fetola tsela ea phallo ea seaplane, ho lokisa khatello le phallo ea mahareng, le ho beha li-valve tse fapaneng, tse kholo le tse nyane, tsamaisong.Tiisetso ea bohlokoa bakeng sa ts'ebetso e tloaelehileng ea phala le lisebelisoa.
Li-valve flow flow coefficients (Cv, Kv le C) tsa litsamaiso tse fapaneng tsa yuniti ke li-valve tsa taolo tlas'a khatello e fapaneng e fapaneng, molumo oa metsi o potolohang ka nako e le 'ngoe ha valve ea taolo e bulehile ka botlalo, Cv, Kv le C ho na le. kamano pakeng tsa Cv = 1.156Kv, Cv = 1.167C.Sengoliloeng sena se arolelana tlhaloso, yuniti, phetoho le ts'ebetso e felletseng ea tlhahiso ea Cv, Kv le C.
Setulo sa valve ke karolo e ka tlosoang ka hare ho valve, karolo ea bohlokoa ke ho tšehetsa poleiti ea valve e bulehile ka ho feletseng kapa e koetsoe ka ho feletseng, 'me e etsa motlatsi oa ho tiisa.Hangata, bophara ba setulo ke boholo ba caliber ea valve.Lisebelisoa tsa setulo sa li-valve tsa butterfly li pharaletse haholo, lisebelisoa tse sebelisoang hangata ke ho tiisa EPDM, NBR, PTFE, le lisebelisoa tsa tšepe tse thata tse tiisang carbide.Ka mor'a moo re tla hlahisa ka bonngoe ...
Ho hlahloba valve ho bolela likarolo tse bulang le tse koalang bakeng sa valve e chitja, 'me li itšetlehile ka boima ba tsona le khatello ea mecha ea litaba ho hlahisa ketso ea ho thibela ho khutlela morao ha valve.Lebelo la ho hlahloba ke valve ea othomathike, e tsejoang hape ka hore ke cheque valve, valve ea tsela e le 'ngoe, valve e sa khutleng kapa valve ea ho itšehla thajana.
Li-valve tsa ho hlahloba li-waferLi boetse li tsejoa e le li-valve tsa backflow, li-valve tsa backstop, le li-valve tsa backpressure.Mefuta ena ea li-valve e buloa le ho koaloa ka bo eona ke matla a hlahisoang ke phallo ea seaplane ka bosona ka har'a phaephe, e leng ea mofuta oa mofuta oa othomathike.
Butterfly valve ka lebaka la boholo ba eona e nyenyane le sebopeho se bonolo, e se e le e 'ngoe ea li-valve tse sebelisoang ka ho fetisisa indastering, ho sebelisoa matla a ho fehla metsi, ho nosetsa, ho haha metsi le tsamaiso ea metsi, boenjiniere ba masepala le lisebelisoa tse ling tsa liphaephe, kgaola kapa ho kena lipakeng tsa phallo ya phallo ya media e potolohang ho e sebedisa.Ebe valve ea serurubele ha ho sebelisoa mathata a hlokang tlhokomelo le tharollo ho seo, kajeno re tla ba se tobileng ho se utloisisa.
Li-valve tsa liheke tse bonolo le li-valve tsa heke tse tiileng ke lisebelisoa tse sebelisoang hangata bakeng sa ho laola le ho thibela phallo, ka bobeli li na le ts'ebetso e ntle ea ho tiisa, mefuta e mengata ea ts'ebeliso, 'me ke e' ngoe ea lihlahisoa tseo bareki ba li rekang ho feta.Li-novices tse ling tsa ho reka li ka 'na tsa labalabela ho tseba, tse tšoanang le valve ea heke, phapang e khethehileng pakeng tsa bona ke efe
Tekanyetso ea AWWA ke The American Water Works Association e qalileng ho phatlalatsa litokomane tsa tumellano ka 1908. Kajeno, ho na le litekanyetso tse fetang 190 tsa AWWA.Ho tloha mohloling ho ea polokelong, ho tloha kalafo ho isa ho ajoa, Melao ea AWWA e akaretsa lihlahisoa le lits'ebetso tse amanang le libaka tsohle tsa kalafo le phepelo ea metsi.AWWA C504 ke ea moemeli ea tloaelehileng, ke mofuta oa setulo sa serurubele sa rubble seat
Li-valve tsa serurubele tse boholo bo boholo hangata li bua ka li-valve tsa serurubele tse bophara bo boholo ho feta DN500, hangata li kopantsoe ke li-flanges, li-wafers.Ho na le mefuta e 'meli ea li-valve tsa serurubele tse bophara bo boholo: li-valve tsa serurubele tse bohareng le li-valve tsa serurubele tse sa bonahaleng.
Lintho tse tharo tse ikhethang tsa Triple Eccentric Butterfly Valve li bua ka:
Eccentricity ea pele: shaft ea valve e fumaneha ka morao ho poleiti ea valve, e lumellang tiisoring Ring ho pota-potile setulo sohle seo motho a kopanang le sona.
Eccentricity ea bobeli: spindle e theohile ka mahlakoreng ho tloha ho center mola oa 'mele oa valve, o thibelang ho kena-kenana le ho bula le ho koala ha valve.
Eccentricity ea boraro: setulo e fokotsa ho tloha moleng o bohareng oa shaft ea valve, e felisang khohlano pakeng tsadisc le setulo nakong ya ho kwala le ho bula.
The double eccentric butterfly valve e reheletsoe ka libopeho tsa eona tse peli tse eccentric.Joale sebopeho sa double eccentric se joang?
Seo ho thoeng ke habeli eccentric, eccentric ea pele e bua ka shaft ea valve e tsoang bohareng ba sebaka sa ho tiisa, ho bolelang hore kutu e ka morao ho sefahleho sa poleiti ea valve.Boiketlo bona bo etsa hore bokaholimo ba poleiti ea valve le setulo sa valve e be sebaka se koalang, se hlolang bofokoli ba tlhaho bo teng ka har'a li-valve tsa serurubele, kahoo ho felisa monyetla oa ho lutla ka hare ho mateano a ka holimo le a tlase lipakeng tsa shaft le valve. setulo sa valve.
Butterfly valve, eo hape e bitsoang flap valve, ke sebopeho se bonolo sa valve ea tokiso, e ka sebelisoang liphaepheng tsa khatello e tlase ho koala phallo.Ho potoloha ho potoloha shaft ea valve ho fihlella ho bula le ho koala valve.
Ho ea ka mefuta e fapaneng ea khokahano, e ka aroloa ka belofo ea serurubele sa serurubele, belofo ea serurubele sa lug, belofo ea serurubele sa flange, belofo ea serurubele e cheselitsoeng, valafo ea serurubele ea serurubele, belofo ea serurubele ea clamp, joalo-joalo.Har'a mefuta e sebelisoang haholo ea ho hokahanya ke valve ea serurubele sa serurubele le valve ea lug butterfly.
The pneumatic butterfly valve e entsoe ka pneumatic actuator le valve ea serurubele.Air actuated butterfly valve e sebelisa moea o hatelletsoeng e le mohloli oa matla ho khanna kutu ea valve le ho laola ho potoloha ha disc ho potoloha shaft ho bula le ho koala valve.
Ho ea ka sesebelisoa sa moea se ka aroloa ka belofo e le 'ngoe ea pneumatic butterfly le belofo ea serurubele se sebetsang habeli.
Zhongfa Valve ke moetsi ea hloahloa oa likarolo tsa li-valve tsa serurubele le li-valve tsa serurubele, tse thehiloeng ka 2006, tse fanang ka lihlahisoa tsa li-valve le likarolo tsa serurubele linaheng tse fetang 20 lefatšeng, ka mor'a moo, Zhongfa Valve e tla hlahisa kenyelletso e qaqileng ea likarolo tsa li-valve tsa serurubele.
Li-valve tsa serurubele ke lelapa la li-valve tsa ho sisinyeha ha kotara tse sebelisoang liphaepheng, hangata li aroloa ka kaho le khokahano.ZFA ke e 'ngoe ea baetsi ba li-valve tsa serurubele tse tummeng, baetsi ba li-valve tsa serurubele sa flange, le baetsi ba li-valve tsa lirurubele tsa lug China.
Mefuta ka Kgokelo, ke mefuta e mene.
Sekhahla sa ZFA's li-valve tsa serurubele tsa motlakaseli arotsoe ka mekhahlelo e 'meli e latelang: li-valve tsa serurubele se bohareng le li-valve tsa serurubele sa eccentric, tseo har'a tsona li-valve tsa serurubele se bohareng li arotsoeng hape ka li-valve tsa serurubele, li-valve tsa serurubele sa lug le li-valve tsa serurubele sa flange.
Li-valve tsa serurubele tsa motlakase li bokelloa ho tsoa ho li-valve tsa serurubele le lisebelisoa tsa motlakase.E sebelisoa haholo ho petroleum, lik'hemik'hale, matla a motlakase, metallurgy, lijo, meriana, masela, pampiri le liindasteri tse ling.Hangata lintho tse sebelisoang ke khase ea tlhaho, moea, mouoane, metsi, metsi a leoatle le oli.Li-valve tsa serurubele tse tsamaisoang ka enjene li sebelisoa ho laola phallo le ho khaola lipeipi tsa indasteri.
Re ka fana ka mefuta e latelang ea li-valve tsa serurubele tsa API609:
Ho latela khokahano, re na lebelofo ea serurubele sa flange habeli,serurubele valvelelug serurubele valve;
Ho ea ka thepa, re ka fana ka thepa ea tšepe ea ductile, thepa ea carbon steel, thepa ea tšepe e sa hloekang, lisebelisoa tsa koporo, lisebelisoa tsa tšepe tse kholo tse peli;
Ho latela ts'ebetso, re ka fana ka valve ea API609 ea serurubele e nang le 'mele oa ho lahla le' mele oa welding.
PTFE Lining Valve e tsejoang hape ka hore ke li-valve tsa fluorine lined corrosion resistant valves, ke polasetiki ea fluorine e bōpiloeng ka har'a lebota le ka hare la likarolo tsa tšepe kapa karolo ea tšepe kapa bokaholimo ba kantle ba likarolo tse kahare tsa belofo.Li-plastiki tsa fluorine mona haholo-holo li kenyelletsa: PTFE, PFA, FEP le tse ling.FEP lined butterfly, teflon coated butterfly valve le FEP lined butterfly valve hangata li sebelisoa mecheng ea litaba e matla e senyang.
Li-valve tsa rona tsa serurubele li lumellana le maemo a machaba a li-valve a ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS joalo-joalo.Size DN40-DN1200, khatello ea lebitso: 0.1Mpa ~ 2.5Mpa, mocheso o loketseng: -30 ℃ ho 200 ℃.
Re romella haholo linaheng tse 22 tse kang US, Russia, Canada, Spain joalo-joalo.
n dipehelo tsa lintho tse bonahalang, tšepe e sa hloekangli-valve tsa serurubeleli fumaneha ka SS304, SS316, SS304L, SS316L, SS2205, SS2507, SS410, SS431, SS416, SS201, Mabapi le sebopeho, li-valve tsa tšepe tse sa hloekang tsa serurubele li fumaneha ka mela ea centric le eccentric.Li-valve tsa serurubele sa centric line li entsoe ka tšepe e sa hloekang bakeng sa 'mele oa valve, poleiti ea valve le shaft, le EPDM kapa NBR bakeng sa setulo sa valve, haholo-holo li etselitsoe ho laola phallo le taolo ea mecha ea litaba e senyang, haholo-holo li-acid tse matla tse fapaneng. joalo ka sulfuric acid le aqua regia.