2.5 Valve ea polaka

Valve ea plug ke valve e sebelisang 'mele oa plug o nang le lesoba le phunyeletsang e le karolo ea ho bula le ho koala, 'me 'mele oa plug o potoloha le kutu ea valve ho fihlella ho buleha le ho koala. Valve ea plug e na le sebopeho se bonolo, ho bula le ho koala kapele, ts'ebetso e bonolo, ho hanyetsa mokelikeli o monyane, likarolo tse fokolang le boima bo bobebe. Li-valve tsa plug li fumaneha ka mefuta e otlolohileng, e meraro le e mene. Valve ea plug e otlolohileng e sebelisoa ho khaola medium, 'me li-valve tsa plug tse tharo le tse 'ne li sebelisoa ho fetola tataiso ea medium kapa ho khelosa medium.

2.6Valve ea serurubele

Valve ea serurubele ke poleiti ea serurubele e potolohang ka 90° ho potoloha mothapo o tsitsitseng 'meleng oa valve ho phethela mosebetsi oa ho bula le ho koala. Li-valve tsa serurubele li nyane ka boholo, li bobebe ka boima 'me li bonolo ka sebopeho, li na le likarolo tse 'maloa feela.

'Me e ka buloa le ho koaloa kapele ka ho potoloha 90° feela, e leng ntho e bonolo ho e sebetsa. Ha valve ea serurubele e le boemong bo bulehileng ka botlalo, botenya ba poleiti ea serurubele ke eona feela khanyetso ha sehare se phalla ka har'a 'mele oa valve. Ka hona, ho theoha ha khatello ho hlahisoang ke valve ho honyenyane haholo, kahoo e na le litšobotsi tse ntle tsa taolo ea phallo. Li-valve tsa serurubele li arotsoe ka mefuta e 'meli ea ho tiisa: tiiso e bonolo e tenyetsehang le tiiso e thata ea tšepe. Valve ea ho tiisa e tenyetsehang, lesale la ho tiisa le ka kenngoa 'meleng oa valve kapa la hokeloa moeling oa poleiti ea serurubele. E na le ts'ebetso e ntle ea ho tiisa 'me e ka sebelisoa bakeng sa ho thiba, liphaephe tsa vacuum tse mahareng le mecha ea ho senya. Li-valve tse nang le litiiso tsa tšepe ka kakaretso li na le bophelo bo bolelele ba ts'ebeletso ho feta li-valve tse nang le litiiso tsa elastic, empa ho thata ho fihlela ho tiisa ka botlalo. Hangata li sebelisoa maemong ao phallo le ho theoha ha khatello ho fetohang haholo 'me ts'ebetso e ntle ea ho thiba e hlokahalang. Litiiso tsa tšepe li ka ikamahanya le mocheso o phahameng oa ts'ebetso, ha litiiso tsa elastic li na le bothata ba ho fokotsoa ke mocheso.

2.7Valve ea ho hlahloba

Valve ea ho hlahloba ke valve e ka thibelang phallo e khutlelang morao ea mokelikeli ka bohona. Disc ea valve ea ho hlahloba e buleha tlas'a ts'ebetso ea khatello ea mokelikeli, 'me mokelikeli o phalla ho tloha lehlakoreng la ho kena ho ea lehlakoreng la ho tsoa. ​​Ha khatello lehlakoreng la ho kena e le tlase ho feta lehlakoreng la ho tsoa, ​​​​disc ea valve e koala ka bohona tlas'a ts'ebetso ea phapang ea khatello ea mokelikeli, matla a eona a khoheli le lintlha tse ling ho thibela mokelikeli ho phalla morao. Ho ea ka sebopeho sa sebopeho, e ka aroloa ka valve ea ho hlahloba ea ho phahamisa le valve ea ho hlahloba ea ho sisinyeha. Mofuta oa ho phahamisa o na le ho koala ho betere le ho hanyetsa mokelikeli ho feta mofuta oa ho sisinyeha. Bakeng sa ho kenella ha ho hula ha pompo ea ho hula, valve e ka tlase e lokela ho sebelisoa. Mosebetsi oa eona ke ho tlatsa pompo ea ho kena ka metsi pele o qala pompo; kamora ho emisa pompo, boloka pompo ea ho kena le 'mele oa pompo o tletse metsi ho itokisetsa ho qala hape. Valve e ka tlase hangata e kentsoe feela pompong e otlolohileng ho pompo ea ho kena, 'me seaplane se phalla ho tloha tlase ho ea holimo.

2.8Valve ea diaphragm

Karolo e bulang le e kwalang ya valve ya diaphragm ke diaphragm ya rabara, e pakeng tsa mmele wa valve le sekoahelo sa valve.

Karolo e bohareng e hlahellang ea diaphragm e tsitsitse kutung ea valve, 'me' mele oa valve o koahetsoe ka rabara. Kaha sehatsetsi ha se kene ka hare ho sekoahelo sa valve, kutu ea valve ha e hloke lebokose la ho tlatsa. Valve ea diaphragm e na le sebopeho se bonolo, ts'ebetso e ntle ea ho koala, tlhokomelo e bonolo, le khanyetso e tlase ea mokelikeli. Li-valve tsa diaphragm li arotsoe ka mofuta oa weir, mofuta o otlolohileng, mofuta oa angle e nepahetseng le mofuta oa phallo e tobileng.

3. Litaelo tsa khetho ea li-valve tse sebelisoang hangata

3.1 Litaelo tsa khetho ea li-valve tsa heke

Tlas'a maemo a tloaelehileng, li-valve tsa heke li lokela ho khethoa. Ntle le ho ba tse loketseng mouoane, oli le mecha e meng ea phatlalatso, li-valve tsa heke li boetse li loketse mecha e nang le lintho tse tiileng tse nang le granular le viscosity e phahameng, 'me li loketse li-valve lits'ebetsong tsa ho ntša moea le tsa vacuum tse tlase. Bakeng sa mecha e nang le likaroloana tse tiileng, 'mele oa valve ea heke o lokela ho hlomelloa ka masoba a le mong kapa a mabeli a ho hloekisa. Bakeng sa mecha e nang le mocheso o tlase, li-valve tse khethehileng tsa heke tse nang le mocheso o tlase li lokela ho khethoa.

3.2 Litaelo tsa ho khetha li-valve tsa ho emisa

Valve ea ho emisa e loketse liphaephe tse nang le litlhoko tse fokolang tsa ho hanyetsa mokelikeli, ke hore, tahlehelo ea khatello ha e nkoe e le ngata, 'me liphaephe kapa lisebelisoa tse nang le mocheso o phahameng le khatello e phahameng. E loketse liphaephe tsa mouoane le tse ling tse mahareng tse nang le DN <200mm; li-valve tse nyane li ka sebelisa li-valve tse khaotsoeng. Li-valve, tse kang li-valve tsa nale, li-valve tsa lisebelisoa, li-valve tsa sampole, li-valve tsa gauge ea khatello, jj.; li-valve tsa ho emisa li na le phetoho ea phallo kapa phetoho ea khatello, empa ho nepahala ha tokiso ha ho hlokahale, 'me bophara ba phaephe bo bonyenyane, kahoo valve ea ho emisa kapa valve ea ho phunya e lokela ho sebelisoa Valve; Bakeng sa mecha ea litaba e chefo haholo, valve ea ho emisa e koetsoeng ka bellows e lokela ho sebelisoa; leha ho le joalo, valve ea ho emisa ha ea lokela ho sebelisoa bakeng sa mecha ea litaba e nang le viscosity e phahameng le mecha ea litaba e nang le likaroloana tse kotsing ea ho sedimentation, ebile ha ea lokela ho sebelisoa e le valve ea moea le valve tsamaisong e tlase ea vacuum.

3.3 Litaelo tsa khetho ea valve ea bolo

Li-valve tsa bolo li loketse mecha ea phatlalatso ea mocheso o tlase, khatello e phahameng, le ho teteana ho hoholo. Li-valve tse ngata tsa bolo li ka sebelisoa mecha ea phatlalatso e nang le likaroloana tse tiileng tse emisitsoeng, 'me li ka boela tsa sebelisoa mecha ea phatlalatso ea phofo le ea granular ho latela litlhoko tsa thepa ea ho koala; li-valve tsa bolo tsa kanale e felletseng ha lia lokela ho laola phallo, empa li loketse liketsahalo tse hlokang ho buloa le ho koaloa ka potlako, e leng ntho e bonolo ho e kenya tšebetsong. Ho khaola ka tšohanyetso ha ho hlaha likotsi; hangata ho khothaletsoa liphaepheng tse nang le ts'ebetso e tiileng ea ho koala, ho tsofala, likanale tse fokotsehang, metsamao e potlakileng ea ho bula le ho koala, ho khaola ka khatello e phahameng (phapang e kholo ea khatello), lerata le tlase, ketsahalo ea khase, torque e nyane ea ts'ebetso, le khanyetso e nyane ea mokelikeli. Sebelisa li-valve tsa bolo; li-valve tsa bolo li loketse meaho e bobebe, ho khaola ka khatello e tlase, le mecha ea phatlalatso e senyang; li-valve tsa bolo le tsona ke li-valve tse loketseng ka ho fetisisa bakeng sa mecha ea phatlalatso ea mocheso o tlase le ea cryogenic. Bakeng sa litsamaiso tsa liphaephe le lisebelisoa tse nang le mecha ea phatlalatso ea mocheso o tlase, li-valve tsa bolo tsa mocheso o tlase tse nang le likoahelo tsa li-valve li lokela ho sebelisoa; khetha Ha u sebelisa valve ea bolo e phaphametseng, thepa ea eona ea setulo e lokela ho jara mojaro oa bolo le sebaka se sebetsang. Li-valve tsa bolo tse bophara bo boholo li hloka matla a maholo nakong ea ts'ebetso. Li-valve tsa bolo tse nang le DN ≥ 200mm li lokela ho sebelisa phetiso ea lisebelisoa tsa seboko; li-valve tsa bolo tse tsitsitseng li loketse bophara bo boholo le maemo a khatello e phahameng; ho phaella moo, li-valve tsa bolo tse sebelisoang liphaepheng tsa ts'ebetso bakeng sa thepa e chefo haholo le mecha ea phatlalatso e tukang li lokela ho ba le meaho e sa cheng le e sa sisinyeheng.

3.4 Litaelo tsa khetho ea li-valve tsa throttle

Valve ea throttle e loketse linako tseo mocheso o mahareng o leng tlase le khatello e phahameng. E loketse likarolo tse hlokang ho fetola sekhahla sa phallo le khatello. Ha e lokele media e nang le viscosity e phahameng le likaroloana tse tiileng, 'me ha e lokele ho sebelisoa e le valve ea ho itšehla thajana.

3.5 Litaelo tsa khetho ea li-valve tsa polaka

Valve ea polaka e loketse liketsahalo tse hlokang ho buloa le ho koaloa ka potlako. Ka kakaretso ha e lokele mouoane le bohareng bo nang le mocheso o phahameng. E sebelisoa bakeng sa bohareng bo nang le mocheso o tlase le ho teteana ho phahameng, 'me e boetse e loketse bohareng bo nang le likaroloana tse leketlileng.

3.6 Litaelo tsa khetho ea li-valve tsa serurubele

Li-valve tsa serurubele li loketse maemo a nang le bophara bo boholo (joalo ka DN﹥600mm) le bolelele bo bokhutšoanyane ba sebopeho, hammoho le maemo ao ho hlokahalang phetoho ea phallo le ho buloa le ho koaloa ka potlako. Hangata li sebelisoa bakeng sa lihlahisoa tsa metsi, oli le khatello tse nang le mocheso oa ≤80°C le khatello ea ≤1.0MPa. Moea le mecha e meng ea phatlalatso; hobane tahlehelo ea khatello ea li-valve tsa serurubele e kholo haholo ha e bapisoa le li-valve tsa heke le li-valve tsa bolo, li-valve tsa serurubele li loketse litsamaiso tsa liphaephe tse nang le litlhoko tsa tahlehelo ea khatello e hlephileng.

3.7 Hlahloba litaelo tsa khetho ea li-valve

Li-valve tsa ho hlahloba ka kakaretso li loketse mecha ea phatlalatso e hloekileng 'me ha lia lokela mecha ea phatlalatso e nang le likaroloana tse tiileng le viscosity e phahameng. Ha DN ≤ 40mm, valve ea ho hlahloba lifti e lokela ho sebelisoa (e lumelloa feela ho kenngoa liphaepheng tse otlolohileng); ha DN = 50 ~ 400mm, valve ea ho hlahloba lifti ea ho fetola e lokela ho sebelisoa (e ka kenngoa liphaepheng tse otlolohileng le tse otlolohileng. Haeba e kentsoe phaepheng e otlolohileng, tataiso ea phallo e mahareng e lokela ho ba ho tloha tlase ho ea holimo); ha DN ≥ 450mm, valve ea ho hlahloba buffer e lokela ho sebelisoa; ha DN = 100 ~ 400mm, valve ea ho hlahloba wafer e ka boela ea sebelisoa; valve ea ho hlahloba swing Valve ea ho khutlisa e ka etsoa hore e be le khatello e phahameng haholo ea ho sebetsa, PN e ka fihla ho 42MPa, 'me e ka sebelisoa ho mecha ea phatlalatso efe kapa efe e sebetsang le mocheso ofe kapa ofe o sebetsang ho latela thepa ea khetla le litiiso. Medium ke metsi, mouoane, khase, mecha ea phatlalatso e senyang, oli, meriana, jj. Medium e sebetsang ea mocheso e pakeng tsa -196~800℃.

3.8 Litaelo tsa khetho ea valve ea diaphragm

Valve ea diaphragm e loketse oli, metsi, media ea asiti le media e nang le lintho tse tiileng tse emisitsoeng tse nang le mocheso o sebetsang oa ka tlase ho 200°C le khatello ea ka tlase ho 1.0MPa. Ha e ea lokela li-solvent tsa organic le media e matla ea oxidant. Li-valve tsa diaphragm tsa mofuta oa weir li lokela ho khethoa bakeng sa media ea granular e khorofo. Ha u khetha valve ea diaphragm ea mofuta oa weir, sheba tafole ea litšobotsi tsa phallo ea eona; maro a viscous, slurry ea samente le media ea pula li lokela ho sebelisa li-valve tsa diaphragm tse otlolohileng; ntle le litlhoko tse itseng, li-valve tsa diaphragm ha lia lokela ho sebelisoa liphaepheng tsa vacuum le lisebelisoa tsa vacuum.