Butterfly valveke mofuta oa valve o sebelisang karolo ea ho bula le ho koala disc ho khutlisa hoo e ka bang 90 ° ho bula, ho koala kapa ho lokisa sekhahla sa phallo ea seaplane. Butterfly valve ha e na sebopeho se bonolo feela, boholo bo nyane, boima bo bobebe, tšebeliso e tlase ea lisebelisoa, boholo bo nyane ba ho kenya, torque e nyane ea ho khanna, ts'ebetso e bonolo le e potlakileng, empa hape e na le ts'ebetso e ntle ea taolo ea phallo le litšobotsi tse koalang tsa ho koala, 'me ke e' ngoe ea mefuta ea li-valve tse ntseng li hola ka potlako lilemong tse leshome tse fetileng. Li-valve tsa butterfly li sebelisoa haholo. Mefuta e fapa-fapaneng le bongata ba tšebeliso ea eona e tsoela pele ho atoloha, 'me e tsoela pele ho fihlela mocheso o phahameng, khatello e phahameng, bophara bo boholo, ho tiea ho hoholo, bophelo bo bolelele, litšoaneleho tse babatsehang tsa taolo, le mesebetsi e mengata ea valve e le' ngoe. Ho tšepahala ha eona le matšoao a mang a tshebetso a fihlile boemong bo phahameng.
Ka tšebeliso ea rabara ea maiketsetso e hanyetsanang le lik'hemik'hale holi-valve tsa serurubele, tshebetso yali-valve tsa serurubelee ntlafalitsoe. Hobane rabara ea maiketsetso e na le litšoaneleho tsa ho hanyetsa kutu, ho hanyetsa khoholeho, botsitso ba sebopeho, ho tiea ho hoholo, ho theha habonolo, litšenyehelo tse tlase, joalo-joalo, rabara ea maiketsetso e nang le thepa e fapaneng e ka khethoa ho latela litlhoko tse fapaneng tsa ts'ebeliso ho fihlela maemo a ts'ebetso eali-valve tsa serurubele.
Hobane polytetrafluoroethylene (PTFE) e na le ts'ebetso e matla ea kutu, ts'ebetso e tsitsitseng, ha e bonolo ho tsofala, coefficient e tlase ea likhohlano, e bonolo ho theha, botsitso ba dimensional, 'me e ka ntlafatsa thepa ea eona e felletseng ka ho tlatsa le ho eketsa lisebelisoa tse nepahetseng, lisebelisoa tse tiisang tsa serurubele ka matla a betere le mefokolo e tlase ea likhohlano e ka fumanoa, le mefokolo ea thepa ea synthetic ea polymer e ka fumanoa. e emetsoeng ke PTFE le thepa ea eona e fetotsoeng ea ho tlatsa e 'nile ea sebelisoa haholo ka har'a valve ea serurubele, e le hore ts'ebetso ea valve ea serurubele e ntlafatsoe le ho feta.Li-valve tsa butterflyka mefuta e mengata ea mocheso le likhatello, ts'ebetso e ka tšeptjoang ea ho tiisa le bophelo bo bolelele ba tšebeletso e entsoe.
E le ho finyella litlhoko tsa lits'ebetso tsa indasteri tse kang mocheso o phahameng le o tlaase, khoholeho e matla, le bophelo bo bolelele, li-valve tsa serurubele sa tšepe li entsoe haholo. Ka ts'ebeliso ea mocheso o phahameng oa ho hanyetsa, ho hanyetsa mocheso o tlase, ho hanyetsa kutu e matla, ho hanyetsa khoholeho e matla, le lisebelisoa tse matla tsa alloy ka li-valve tsa serurubele, li-valve tsa tšepe tse tiisitsoeng tsa serurubele li 'nile tsa sebelisoa haholo libakeng tsa indasteri tse kang mocheso o phahameng le o tlaase, khoholeho ea mobu e matla le bophelo bo bolelele, le li-valve tsa serurubele tse nang le bophara bo boholo (9 ~ 750mm), mocheso o phahameng oa 42. (-196 ~ 606 ° C) e hlahile, e le hore theknoloji ea li-valve tsa serurubele e fihle boemong bo bocha.
Ha valve ea serurubele e butsoe ka botlalo, e na le khanyetso e nyane ea phallo. Ha ho buloa ho pakeng tsa hoo e ka bang 15 ° ~ 70 °, e ka sebelisoa bakeng sa taolo ea phallo e hlokolosi, kahoo ho sebelisoa ha valve ea serurubele ho tloaelehile haholo tšimong ea phetoho ea bophara bo boholo.
Ka lebaka la motsamao o ka hlakolehang oa poleiti ea serurubele serurubele, li-valve tse ngata tsa serurubele li ka sebelisoa bakeng sa mecha ea litaba e nang le lintho tse tiileng tse emisitsoeng. Ho itšetlehile ka matla a tiiso, e ka boela ea sebelisoa bakeng sa mecha ea litaba ea phofo le granular.
Li-valve tsa butterfly li loketse ho laola phallo. Hobane khatello ea khatello ea valve ea serurubele phala e batla e le kholo, hoo e ka bang makhetlo a mararo ho feta a valve ea heke, ha ho khethoa valve ea serurubele, tšusumetso ea tahlehelo ea khatello ea tsamaiso ea lipeipi e lokela ho nahanoa ka ho feletseng, le matla a serurubele ho mamella khatello ea phaephe ha e koaloa le eona e lokela ho nkoa. Ho phaella moo, mefokolo ea mocheso oa ts'ebetso oo lisebelisoa tsa setulo sa elastomeric li ka kenngoa ka mocheso o phahameng le tsona li tlameha ho nkoa.
Belofo ea serurubele e na le bolelele bo bonyenyane ba kaho le bophahamo ka kakaretso, lebelo la ho bula le ho koala ka potlako, le litšobotsi tse ntle tsa taolo ea mokelikeli. Molao-motheo oa sebopeho sa li-valve tsa serurubele o loketse ka ho fetisisa bakeng sa ho etsa li-valve tse kholo. Ha valve ea serurubele e hlokeha ho sebelisoa ho laola lebelo la ho phalla, ke habohlokoa ho khetha boholo bo nepahetseng le mofuta oa serurubele e le hore se ka sebetsa hantle le ka katleho.
Ka kakaretso, ka har'a throttling, taolo ea taolo le seretse se seretse, bolelele ba mohaho bo khutšoanyane, lebelo la ho bula le ho koala le potlakile, 'me ho fokotseha ha khatello e tlaase (phapang e nyenyane ea khatello) ho hlokahala,' me valve ea serurubele e buelloa. Li-valve tsa butterfly li ka sebelisoa ha ho e-na le phetoho ea maemo a mabeli, mocha o fokotsehileng oa bophara, lerata le tlaase, cavitation le vaporization, palo e nyenyane ea ho lutla sepakapakeng, le mecha ea litaba e senyang. Tlas'a maemo a khethehileng a ho sebetsa, phetoho ea throttling, kapa ho tiisa ka thata, ho roala ho tebileng, mocheso o tlaase (cryogenic) le maemo a mang a sebetsang.
Nako ea poso: Nov-02-2024
