"Pneumatic" e bolela mokhoa oa ho tsamaisa motlakase, o sebelisang moea o hatelletsoeng ho tsamaisa valve, o nolofalletsang taolo e hole kapa e iketsang.
Valve ea serurubele e nang le flange ke mofuta o mong oa mofuta oa khokahano, e nang le li-flange tse kopaneng lipheletsong ka bobeli tsa 'mele oa valve, e lumellang likhokahano tse tiileng tsa libolte ho li-flange tsa liphaephe.
Li-valve tsa serurubele tsa tšepe e lahlehileng le tse entsoeng ka ductile li sebelisoa haholo bakeng sa taolo ea phallo liindastering tse fapaneng, empa li fapana ka thepa ea thepa, ts'ebetso, litšenyehelo le ts'ebeliso.
Phapang ke efe pakeng tsa valve ea serurubele le valve ea tlhahlobo ea serurubele? Leha li na le mabitso a tšoanang 'me ka bobeli li sebelisa moralo oa mofuta oa disc, mesebetsi ea tsona, ts'ebetso le lits'ebetso li fapane haholo.
Li-valve tsa serurubele tsa pneumatic, ka moralo oa tsona o bonolo, ts'ebetso e potlakileng, le katleho ea litšenyehelo, li fetohile karolo ea bohlokoa ea litsamaiso tsa sejoale-joale tsa liphaephe.
Tekanyetso ena e phatlalalitsoe ke BSI mme e tsamaisana le maemo a Europe (EN), e fanang ka moralo o felletseng bakeng sa moralo, thepa, litekanyo, liteko le ts'ebetso ea li-valve tsa serurubele.
- DN150: Bophara ba lebitso la 150mm (bo lekanang le lisenthimithara tse 6 ho NPS).
- 150lb / 150 / Sehlopha sa 150: Tekanyo ea khatello ANSI/ASME Sehlopha sa 150 (hoo e ka bang 150 psi, e lekanang le PN20 Chaena/Jeremane).
Sengoloa sena se hlahloba liphapang tsa bohlokoa, melemo, mathata le ts'ebeliso ea li-valve tsa lirurubele tsa lug le double flange ho tataisa ts'ebetso ea hau ea ho etsa liqeto.
- Pontšo: Pontšo ea Li-valve tsa Liindasteri
- Sebaka: Centro Citibanamex
- Nomoro ea Sebaka: A231
- Letsatsi: 2-4, Loetse
• Ketsahalo: ECWATECH 2025
• Matsatsi: Loetse 9–11, 2025
• Lephephe: 8C8.6
• Sebaka: Setsi sa Lipontšo sa Machaba sa Crocus Expo, Moscow, Russia
Kakaretso ea bophara ba li-valve tsa serurubele tse nang le mekhoa e fapaneng ea khokahano le mefuta ea sebopeho, ho latela maemo a tloaelehileng a indasteri le mekhoa ea ts'ebeliso. Kaha boholo bo itseng ba bophara bo ka fapana ho latela moetsi le boemo ba ts'ebeliso (joalo ka boemo ba khatello, mofuta o mahareng, jj.), sengoloa sena se fana ka data bakeng sa li-valve tsa zfa.
Valve ea serurubele ke valve e potolohang ka kotara. E sebelisoa ho laola kapa ho arola phallo ea mokelikeli liphaepheng. Valve ea serurubele le ka lebaka la moralo oa eona o bonolo le ts'ebetso e sebetsang hantle le ke maemo ohle a bophelo.
Tšimoloho ea lebitso la valve ea serurubele: lesoba la valve le bōpehile joaloka serurubele 'me le bitsoa joalo.
Har'a mefuta e fapaneng ea li-valve tsa lirurubele, li-valve tsa lirurubele tse sebetsang hantle (HPBV) le li-valve tsa lirurubele tse nang le sebopeho se phahameng ke meralo e 'meli e tloaelehileng haholo. Papiso ena e tla arola liphapang lipakeng tsa tse peli ho tloha maemong a mangata ho hlakisa mesebetsi ea tsona lits'ebetsong tsa indasteri le tsa masepala.
Ho dutla ha valve ea serurubele, ho rarolla mathata ana ho hloka motsoako oa ho khetha valve e nepahetseng, ho kenya ka hloko, tlhokomelo e tloaelehileng, le ntlafatso ea sistimi. Ka ho khetha thepa e loketseng ts'ebeliso, ho latela litataiso tsa ho kenya le ho beha leihlo maemo a ts'ebetso, basebelisi ba ka fokotsa kotsi ea ho dutla haholo.
Mefuta e fapaneng ea thepa ea setulo sa li-valve e na le thepa e fapaneng ea 'mele le ea lik'hemik'hale 'me e loketse maemo a fapaneng a mosebetsi. Sehloohong sena, re ithuta haholo-holo le ho bapisa mefuta e meholo, ts'ebetso le ts'ebeliso ea litulo tsa li-valve tse tenyetsehang.
Sehloohong sena, re tla hlahloba bahlahisi ba 7 ba li-valve tsa lirurubele tse bonolo Chaena 'me re etse tlhahlobo e qaqileng ho tsoa likarolong tsa setifikeiti le mangolo a thuto, boleng ba sehlahisoa, bokhoni ba tlhahiso le phano, tlholisano ea litheko, bokhoni ba tekheniki, tšebeletso ea kamora thekiso le botumo ba' maraka.
Tlhahlobo e tebileng ea liphapang lipakeng tsa litekanyetso tsa API 607 le API 608, ho tseba lintlha tsa bohlokoa tsa botekgeniki tsa khetho ea li-valve tsa indasteri, ho kenyeletsoa le litlhoko tsa morao-rao tsa liteko le litataiso tsa ho latela melao.
Valve ea serurubele ke sesebelisoa se laolang phallo ka har'a phaephe. E laoloa ka ho potoloha disc ka kotara ea potoloho. Hangata li sebelisoa lits'ebetsong moo li koalang kapele.
Ho tsebahala hantle hore li-valve tsa serurubele li sebetsa hantle haholo, li nyane ka moralo ebile li theko e tlase, kahoo li sebelisoa haholo indastering e fapaneng. Leha ho le joalo, joalo ka karolo efe kapa efe ea mechini, li-valve tsa serurubele le tsona li ka hloleha. Ho hloleha ho arotsoe ka tlhaho le ho fumanoa.
Ho na le dipharologanyo tse totobetseng pakeng tsa valve ya serurubele ya sehlopha sa A le valve ya serurubele ya sehlopha sa B ka sebopeho. Divalve tsa serurubele tsa Sehlopha sa A ke tsa mofuta wa "concentric", divalve tsa serurubele tsa sehlopha sa B ke tsa mofuta wa "offset".
Ho nkela litiiso tsa rabara sebaka holim'a li-valve tsa serurubele sebaka ke ts'ebetso e rarahaneng e hlokang tsebo ea tekheniki, ho nepahala, le lisebelisoa tse nepahetseng ho netefatsa hore ts'ebetso ea valve le botšepehi ba ho tiisa li lula li sa senyeha. Tataiso ena e tebileng bakeng sa litsebi le litsebi tsa tlhokomelo ea li-valve e fana ka litaelo tse qaqileng, mekhoa e metle le malebela a ho rarolla mathata.
Re thabetse ho phatlalatsa hore khamphani ea rona e tla be e bonts'a lihlahisoa tsa rona tsa morao-rao le lintho tse ncha pontšong e tummeng ea R22, FENASAN, e tla tšoareloa ho tloha ka la 22 Mphalane ho isa la 24 Mphalane, 2024.
Boima ba valve ea serurubele bo bohlokoa haholo moralong o akaretsang oa sistimi. E ama ho kenngoa, tlhokomelo le katleho ea sistimi ka kakaretso. E tsebahala ka moralo oa eona o moqotetsane le taolo e sebetsang ea phallo.
Li-valve tsa serurubele tse sebetsang hantle li ntlafatsa karolo ea bohlokoa eo li-valve tsa serurubele li e bapalang lits'ebetsong tsa indasteri. Li-valve tsena li ka laola phallo ea metsi ka katleho.
Re le mema ka mofuthu hore le be teng pontšong e tlang ea WASTETECH/ECWATECH, ho8E8.2 IEC Crocus Expo, Moscowho10-12 Loetse, 2024.
Utloisisa hore na li-valve tsa serurubele li laola phallo ea mokelikeli joang ka diski e potolohang. Hlahloba litharollo tsa ZFA tse theko e tlaase le tse sa hlokeng tlhokomelo e ngata bakeng sa litsamaiso tse kholo tsa mokelikeli.
Mosebetsi oa mantlha oa valve ea serurubele ke ho hokahanya kapa ho khaola potoloho ea sephara sa liphaephe, ho fetola tsela eo sephara se tsamaeang ka eona, ho lokisa khatello le phallo ea sephara, le ho beha li-valve tse fapaneng, tse kholo le tse nyane, tsamaisong. Ho tseba ho lekanya boholo ba valve ea serurubele ho ka thibela ho se sebetse hantle ha ts'ebetso le liphoso tse turang.
Ts'ebetso ea ho kenya valve ea serurubele e kenyelletsa mehato e 'maloa ea bohlokoa. Ho hloekisa pele ho kenngoa, ho lokisa hantle, ho lokisa le ho hlahloba ho qetela ho netefatsa ts'ebetso e ntle ka ho fetisisa.
Ts'ebetso ea ho kenya valve ea serurubele e kenyelletsa mehato e 'maloa ea bohlokoa. Ho hloekisa pele ho kenngoa, ho lokisa hantle, ho lokisa le ho hlahloba ho qetela ho netefatsa ts'ebetso e ntle ka ho fetisisa.
Likhamphani tsena tse ka boroa li tletse libakeng tsa Jiangsu, Zhejiang, Shanghai, haholo-holo li hlahisa li-valve tsa heke tse koetsoeng ka thata, ha tse ka leboea li tletse libakeng tsa Beijing, Tianjin, Hebei, haholo-holo li hlahisa li-valve tsa heke tse koetsoeng ka bonolo.
Sengoloa sena se tla hlahisa mefuta e fapaneng ea li-valve tsa ho hlahloba le lintlha tsa bohlokoa bakeng sa litaelo tsa ho li kenya ka botlalo.
Papisong ena e felletseng, re tla sheba ka botebo moralo, melemo, mathata le ts'ebeliso ea li-valve tsena tse peli.
Sehlooho sena se tla tšohla phapang pakeng tsa li-valve tsa serurubele le li-valve tsa heke ka botlalo ho latela lintlha tsa molao-motheo, sebopeho, litšenyehelo, ho tšoarella, taolo ea phallo, ho kenya le tlhokomelo.
haeba sebaka sa phaephe se lekanyeditswe mme kgatello e le tlase, DN≤2000, re kgothaletsa valve ya serurubele ya wafer;Haeba sebaka sa phaephe se lekane mme kgatello e le mahareng kapa e tlase, DN≤3000, valve ya serurubele ya flange e kgothaletswa.
Haeba mocheso o phahame haholo 'me ho se na likaroloana tse kholo, u ka khetha valve ea serurubele e koetsoeng ka thata ea tšepe feela.Ho seng jwalo, ka kopo kgetha valve ya serurubele e kwalang ka mekhahlelo e mengata e theko e tlase.
Sehloohong sena, re tla teba mohopolong oa tekanyo e phahameng ka ho fetisisa ea khatello eo valve ea serurubele e ka e mamellang, 'me re ithute tšusumetso khatellong e lekantsoeng ho tsoa likarolong tse kang moralo oa valve ea serurubele, thepa, ho tiisa, jj.
Haeba mocheso o phahame haholo 'me ho se na likaroloana tse kholo, u ka khetha valve ea serurubele e koetsoeng ka thata ea tšepe feela.Ho seng jwalo, ka kopo kgetha valve ya serurubele e kwalang ka mekhahlelo e mengata e theko e tlase.
Ts'ebetso ea ho kopanya valve ea serurubele ke ts'ebetso e bonolo empa e rarahaneng. Ke ha mohato o mong le o mong o etsoa ka hloko feela moo valve ea serurubele e ka sebetsang ka mokhoa o tloaelehileng. Tlhaloso e khutšoanyane ea ts'ebetso ea ho kopanya valve ea serurubele ea wafer ke ena.
Litokiso tsa tlhokomelo ea li-valve tsa serurubele li ka fapana ho latela mofuta oa tšenyo kapa ho hloleha. Li 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 ts'ebetso ea actuator, khatello ea mokelikeli le lintlha tse ling.
t=(90/ω)*60,
Valve ea heke ke valve e sebelisetsoang ho BULA le ho KOALA phallo ea mokelikeli ka har'a phaephe. E bula kapa e koala valve ka ho phahamisa heke ho lumella kapa ho thibela phallo ea mokelikeli. Ho 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-disc tsa li-valve tsa serurubele ho latela tšebeliso ea li-valve tsa serurubele, boholo bo tloaelehileng ba li-valve tsa serurubele bakeng sa li-stock ke tsa DN50-DN600, kahoo re tla hlahisa li-disc tsa li-valve ho latela boholo bo sebelisoang khafetsa.
Phapang, melemo le mathata a valve ea serurubele le valve ea bolo ke afe?Sehloohong sena, re se sekaseka ho latela likarolo tsa sebopeho, molao-motheo, boholo ba tšebeliso le ho tiisa.
Indasteri ea li-valve ea Chaena esale e le e 'ngoe ea liindasteri tse etellang pele lefatšeng. 'Marakeng ona o moholo, ke lik'hamphani life tse hlahelletseng le ho ba tse leshome tse holimo indastering ea li-valve ea Chaena?
Ho itšetlehile haholo-holo ka boemo ba khutso. Li-valve tsa ho hlahloba khutso li felisa lerata feela le ho fokotsa lerata. Li-valve tsa ho hlahloba khutso li ka sireletsa le ho khutsisa molumo ka ho toba ha li sebelisoa.
kgatello ya teko > kgatello e tlwaelehileng > kgatello ya moralo > kgatello ya ho sebetsa.
Molao-motheo o sebetsang oa valve ea serurubele ea motlakase ke ho khanna sesebelisoa sa phetisetso ka har'a enjene ho potoloha poleiti ea valve, ka hona ho fetola sebaka sa kanale ea mokelikeli 'meleng oa valve le ho laola phallo.
Ho ea ka lipatlisiso le tlhahlobo, ho bola ke e 'ngoe ea lintlha tsa bohlokoa tse bakang tšenyo ho li-valve tsa serurubele.
Ka hona, kalafo ea ho koahela bokaholimo ba 'mele oa valve le poleiti ea valve ke mokhoa o theko e tlaase ka ho fetisisa oa tšireletso khahlanong le ho bola tikolohong e kantle.
Litiiso tse thata li entsoe ka tšepe, joalo ka li-gasket tsa tšepe, masale a tšepe, jj., 'me ho tiisoa ho finyelloa ka khohlano pakeng tsa litšepe. Litiiso tse bonolo li entsoe ka thepa e tenyetsehang, joalo ka rabara, PTFE, jj.
Li-valve tse ngata tsa Chaena li romeloa linaheng tse fapaneng lefatšeng ka bophara, 'me bareki ba bangata ba tsoang linaheng tse ling ha ba utloisise bohlokoa ba palo ea li-valve tsa Chaena, kajeno re tla u isa kutloisisong e itseng, re tšepa hore 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 ts'ebeliso, ho kenyeletsoa lithibelo tsa sebaka, litlhoko tsa khatello, makhetlo a tlhokomelo, le lintlha tsa tekanyetso.
Ho ya ka foromo ya kgokelo ya flange, mmele wa valve ya serurubele o arotsoe haholo ka: wafer mofuta wa A, wafer mofuta wa LT, flange e le nngwe, flange e habeli, flange ya mofuta wa U.
Mofuta oa wafer A ke khokahano ea masoba a se nang khoele, mofuta oa LT oa 24" kaholimo ho litlhaloso tse kholo hangata o sebelisa 'mele oa valve oa mofuta oa U o matla ho etsa khokahano ea khoele, qetellong ea phaephe ho hlokahala hore ho sebelisoe mofuta oa LT.
Valve ea bolo e bōpehileng joaloka V e na le kou e bōpehileng joaloka V ka lehlakoreng le leng la karolo ea mantlha ea valve ea hemispherical.
Pulo ea kanale ea phallo ea valve ea bolo e bōpehileng joaloka O e chitja, khanyetso ea eona ea phallo e nyane, 'me lebelo la ho chencha le potlakile.
Sehloohong se fetileng, re buile ka li-valve tsa heke le globe, kajeno re fetela ho li-valve tsa serurubele le ho hlahloba li-valve, tse sebelisoang hangata kalafong ea metsi.
Valve ke sesebelisoa sa taolo sa phaephe e metsi. Mosebetsi oa eona oa mantlha ke ho hokela kapa ho khaola potoloho ea phaephe, ho fetola tsela eo phaephe e tsamaeang ka eona, ho lokisa khatello le phallo ea phaephe, le ho beha li-valve tse fapaneng, tse kholo le tse nyane, tsamaisong. Tiisetso ea bohlokoa bakeng sa ts'ebetso e tloaelehileng ea phaephe le lisebelisoa.
Li-coefficient tsa phallo ea valve ea taolo (Cv, Kv le C) tsa litsamaiso tse fapaneng tsa yuniti ke li-valve tsa taolo tlas'a khatello e sa fetoheng ea phapang, bophahamo ba metsi bo potolohang ka yuniti ea nako ha valve ea taolo e bulehile ka botlalo, Cv, Kv le C ho na le kamano pakeng tsa Cv = 1.156Kv, Cv = 1.167C. Sengoloa sena se arolelana tlhaloso, yuniti, phetoho le ts'ebetso e felletseng ea ho fumana Cv, Kv le C.
Setulo sa valve ke karolo e ka tlosoang ka hare ho valve, karolo e ka sehloohong ke ho tšehetsa poleiti ea valve e butsoeng ka botlalo kapa e koetsoeng ka botlalo, 'me e etsa setlolo sa ho tiisa. Hangata, bophara ba setulo ke boholo ba caliber ea valve. Thepa ea setulo sa valve ea serurubele e pharaletse haholo, thepa e sebelisoang hangata ke ho tiisa ka bonolo EPDM, NBR, PTFE, le thepa ea tšepe ea ho tiisa ka thata ea carbide. Ka mor'a moo re tla hlahisa ka bonngoe...
Valve ea ho hlahloba e bolela likarolo tse bulang le tse koalang bakeng sa valve e chitja 'me e itšetleha ka boima ba tsona le khatello ea mecha ea phatlalatso ho hlahisa ketso ea ho thibela phallo e mahareng ea valve. Valve ea ho hlahloba ke valve e iketsang, e tsejoang hape e le valve ea ho hlahloba, valve ea tsela e le 'ngoe, valve e sa khutleng kapa valve ea ho itšehla thajana.
Li-valve tsa ho hlahloba waferdi boetse di tsejwa e le di-valve tsa backflow, di-valve tsa backstop, le di-valve tsa backpressure. Mefuta ena ya di-valve e bulwa le ho kwalwa ka boiketsetso ke matla a hlahiswang ke phallo ya medium ka boyona ka hara phaephe, e leng ya mofuta wa valve e iketsang.
Valve ea serurubele ka lebaka la boholo ba eona bo bonyenyane le sebopeho se bonolo, e fetohile e 'ngoe ea li-valve tse sebelisoang haholo indastering, li sebelisoa haholoanyane ho motlakase oa metsi, nosetso, phepelo ea metsi le drainage ea meaho, boenjiniere ba masepala le litsamaiso tse ling tsa liphaephe, tse sebelisetsoang ho khaola kapa ho buella phallo ea phallo ea mecha ea phatlalatso e potolohang ho sebelisoa. Ebe valve ea serurubele ts'ebelisong ea mathata a hlokang tlhokomelo le tharollo ea seo, kajeno re tla ba le ho khetheha ho utloisisa.
Li-valve tsa heke ea tiiso e bonolo le li-valve tsa heke ea tiiso e thata ke lisebelisoa tse sebelisoang hangata bakeng sa ho laola le ho thibela phallo, ka bobeli li na le ts'ebetso e ntle ea ho koala, mefuta e mengata ea ts'ebeliso, 'me ke e' ngoe ea lihlahisoa tseo bareki ba li rekang haholo. Ba qalang ba bang ba ka 'na ba ba le tjantjello, joalo ka valve ea heke, phapang e tobileng ke efe pakeng tsa tsona?
Tekanyetso ea AWWA ke Mokhatlo oa Mesebetsi ea Metsi oa Amerika o phatlalalitseng litokomane tsa tumellano ka lekhetlo la pele ka 1908. Kajeno, ho na le Maemo a AWWA a fetang 190. Ho tloha mohloling ho ea polokelong, ho tloha kalafong ho ea kabong, Maemo a AWWA a 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 valve ea serurubele se lutseng ka majoe.
Li-valve tsa serurubele tse kholo hangata li bua ka li-valve tsa serurubele tse bophara bo fetang DN500, hangata li hokahantsoe ke li-flange, li-wafer. Ho na le mefuta e 'meli ea li-valve tsa serurubele tse bophara bo boholo: valve ea serurubele e kopantseng le li-valve tsa serurubele tse sa tloaelehang.
Lintho tse tharo tse sa tloaelehang tsa Valve ea Serurubele ea Triple Eccentric li bua ka:
Bokgoni ba pele: mokoti wa valve o ka morao ho poleiti ya valve, e leng se lumellang ho kwalwa ha sekwaheloRing ea ho ing ho potoloha setulo sohle haufi-ufi ha se kopane.
Bokgoni ba bobedi: spindle e sekametswe ka lehlakoreng ho tloha ho center mola wa mmele wa valve, o thibelang tshitiso le ho buleha le ho kwala ha valve.
Boikutlo ba boraro bo sa tloaelehang: setulo e qheletsoe ka thoko ho moleng o bohareng oa shaft ea valve, e felisang khohlano pakeng tsadiski le setulo nakong ea ho koala le ho bula.
Valve ea serurubele e habeli e sa bonahaleng e reheletsoe ka meaho ea eona e 'meli e sa bonahaleng. Joale sebopeho sa serurubele se habeli se joang?
Seo ho thoeng ke se nang le sebopeho se habeli, sebopeho sa pele se sa bonahaleng se bolela hore moqomo oa valve o tsoa bohareng ba bokaholimo ba ho koala, ho bolelang hore kutu e ka mor'a sefahleho sa poleiti ea valve. Boitšoaro bona bo etsa hore bokaholimo ba ho kopana ha poleiti ea valve le setulo sa valve e be bokaholimo ba ho koala, e leng se hlolang mefokolo ea tlhaho e teng li-valve tsa serurubele tse kopaneng, ka hona se felisa monyetla oa ho lutla ka hare sebakeng se ka holimo le se ka tlase pakeng tsa moqomo oa valve le setulo sa valve.
Valve ea serurubele, eo hape e bitsoang valve ea flap, ke sebopeho se bonolo sa valve ea tokiso, e ka sebelisoang liphaepheng tse nang le khatello e tlase ho tima phallo. E potoloha ho potoloha shaft ea valve ho fihlella ho bula le ho koala valve.
Ho ya ka mefuta e fapaneng ya kgokelo, e ka arolwa ka valve ya serurubele ya wafer, valve ya serurubele ya lug, valve ya serurubele ya flange, valve ya serurubele e welded, valve ya serurubele ya thread ya screw, valve ya serurubele ya clamp, jj. Har'a mefuta e sebediswang haholo ya kgokelo ke valve ya serurubele ya wafer le valve ya serurubele ya lug.
Valve ea serurubele e tsamaisoang ke moea e entsoe ka sesebelisoa sa ho tsamaisa moea le valve ea serurubele. Valve ea serurubele e tsamaisoang ke moea e sebelisa moea o hatelitsoeng 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 pneumatic, se ka aroloa ka valve ea serurubele e sebetsang ka bonngoe le valve ea serurubele e sebetsang habeli.
Zhongfa Valve ke moetsi oa litsebi oa likarolo tsa li-valve tsa serurubele le li-valve tsa serurubele, e thehiloeng ka 2006, e fana ka lihlahisoa tsa li-valve le likarolo tsa li-valve tsa serurubele linaheng tse fetang 20 lefatšeng, ka mor'a moo, Zhongfa Valve e tla qala kenyelletso e qaqileng ea likarolo tsa li-valve tsa serurubele.
Li-valve tsa serurubele ke lelapa la li-valve tsa ho potoloha tse potolohang ka kotara tse sebelisoang liphaepheng, hangata li aroloa ka kaho le khokahano. ZFA ke e 'ngoe ea bahlahisi ba tummeng ba li-valve tsa serurubele tsa wafer, bahlahisi ba li-valve tsa serurubele tsa flange, le bahlahisi ba li-valve tsa serurubele tsa lug Chaena.
Mefuta ka Kgokelo, ke mefuta e mene.
Valve ea ZFAli-valve tsa serurubele tsa motlakaseli arotsoe ka mekhahlelo e 'meli e latelang: li-valve tsa serurubele tse bohareng le li-valve tsa serurubele tse sa tloaelehang, tseo har'a tsona li-valve tsa serurubele tse bohareng li arotsoeng hape ka li-valve tsa serurubele tse nang le wafer, li-valve tsa serurubele tse nang le lug le li-valve tsa serurubele tse nang le flange.
Li-valve tsa motlakase tsa lirurubele li kopanngoa ho tsoa ho li-valve tsa lirurubele le lisebelisoa tsa motlakase. Li sebelisoa haholo peteroleng, lik'hemik'hale, motlakase, tšepe, lijo, meriana, masela, pampiri le liindasteri tse ling. Hangata li-valve ke khase ea tlhaho, moea, mouoane, metsi, metsi a leoatle le oli. Li-valve tsa lirurubele tse tsamaisoang ke enjene li sebelisoa ho laola phallo le ho khaola li-media liphaepheng tsa indasteri.
Re ka fana ka mefuta e latelang ea li-valve tsa serurubele tsa API609:
Ho ya ka kgokelo, re na levalve ea serurubele e nang le flange e habeli,valve ea serurubele ea waferlevalve ea serurubele ea lug;
Ho ea ka thepa, re ka fana ka thepa ea tšepe e ductile, thepa ea tšepe ea carbon, thepa ea tšepe e sa hloekang, thepa ea koporo, thepa ea tšepe e nang le duplex e kholo;
Ho ea ka ts'ebetso, re ka fana ka valve ea serurubele ea API609 e nang le 'mele oa ho lahla le 'mele oa ho tjheseletsa.
Valve ea PTFE Lining e tsejoang hape e le li-valve tse thibelang mafome tse nang le polasetiki ea fluorine, ke polasetiki ea fluorine e bōpehileng leboteng le ka hare la likarolo tse nang le tšepe kapa tšepe ea valve kapa bokaholimo ba likarolo tse ka hare tsa valve. Liplastiki tsa fluorine mona li kenyelletsa haholo-holo: PTFE, PFA, FEP le tse ling. Serurubele se nang le FEP, valve ea serurubele e koahetsoeng ka teflon le valve ea serurubele e nang le FEP hangata li sebelisoa mecheng e matla ea ho senya.
Li-valve tsa rona tsa serurubele sa wafer li latela maemo a machaba a valve a ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS jj. Boholo DN40-DN1200, khatello e tloaelehileng: 0.1Mpa~2.5Mpa, mocheso o loketseng: -30℃ ho isa ho 200℃.
Re romela thepa linaheng tse 22 tse kang US, Russia, Canada, Spain jj.
n dipehelo tsa thepa, 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 serurubele tsa tšepe e sa hloekang li fumaneha ka mela e bohareng le e sa tloaelehang. Li-valve tsa serurubele tsa tšepe e sa hloekang ea centric line hangata 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, Li etselitsoe haholo-holo taolo ea phallo le taolo ea mecha ea phatlalatso e senyang, haholo-holo li-acid tse matla tse fapaneng, tse kang sulfuric acid le aqua regia.