Ho khetholla le ho sebelisoa ha li-valve tsa ho hlahloba
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.
Motsamao oa Flap o arotsoe ka valve ea ho hlahloba lifti le valve ea swing check valve.Phahamisa phuputso ea li-valve le sebopeho sa li-valve tsa lefats'e li tšoana, ke khaello feela ea kutu ea valve ho khanna leqhubu la valve.The medium ho tloha lehlakoreng le kenang (lehlakoreng le ka tlaase) ho phalla, ho tloha lehlakoreng la ho tsoa (lehlakoreng le ka holimo) ho tsoa.Ha khatello ea ho kena e le khōlō ho feta boima ba sekhahla sa valve le ho hanyetsa ho phalla ha eona le ha valve e bulehile.Ka lehlakoreng le leng, valve e koetsoe ha sehare se phalla morao.Swing check valve e na le slant 'me e ka potoloha ho pota-pota axis ea valve flap, molao-motheo oa ho sebetsa o tšoana le valve ea ho hlahloba ea phahamisa.Hangata li-valve tsa ho hlahloba li sebelisoa e le valve e ka tlaase ea mochine oa ho pompa, e ka thibelang ho phalla ha metsi ka morao.Li-valve tsa ho hlahloba le li-valve tsa lefats'e tse sebelisoang hammoho, li ka bapala karolo e sireletsehileng ea ho itšehla thajana.Mefokolo ke khanyetso e phahameng le ho koala ho fokolang ha ho koaloa.
Taba ea pele, li-valve tsa ho hlahloba li na le mefuta e 'meli e otlolohileng le e otlolohileng.Sebopeho sa 'mele oa li-valve oa valve ea ho hlahloba e tšoana le ea valve ea lefats'e, kahoo e na le khanyetso e kholo ea mokelikeli.Sephaphatha sa valve se thellela moleng o otlolohileng o bohareng oa 'mele oa valve.Ha sepakapaka se phalla, sephaphatha sa valve se buloa ka ho phunyeletsa ha mahareng, 'me ha sepakapaka se emisa ho phalla, lesela la valve le lula holim'a setulo sa valve ka ho ikemela.
Mothating oa ho phahamisa valve.Tataiso ea kanale ea ho kena le ea ho tsoa le tataiso ea mocha oa setulo sa valve e tšoana, ho hanyetsa ho phalla ho nyane ho feta mofuta o otlolohileng.Vertical lift check valve e kentsoe phaepheng e emeng.ka valve ea ho hlahlobisisa e ka kenngoa feela pompong e otlolohileng.E thibetsoe ke litlhoko tsa ho kenya, tse atisang ho sebelisoa ka makhetlo a manyenyane DN <50.
Ea bobeli, "Swing check valve": "Disk" ea "valve check valve" e ka sebōpeho sa selikalikoe 'me e pota-potile sebaka sa seteishene sa setulo sa valve.Ka lebaka la mocha o hlophisitsoeng ka har'a valve, ho hanyetsa ha phallo ho nyane ho feta ha valve ea ho hlahloba e phahamisa.E loketse liphaephe tse nyenyane le tse mahareng, tse nang le khatello e tlaase, le bophara bo boholo (sekhahla sa phallo e tlaase le maemo a maholo a bophara moo phallo e sa fetoheng hangata).Ts'ebetso ea ho tiisa ha e ntle joalo ka mofuta oa ho phahamisa.
Li-valve tsa ho hlahloba li-swing li arotsoe ka mefuta e meraro: disc e le 'ngoe, disk e habeli, le li-multi disc.Mefuta ena e meraro e khetholloa haholo-holo ho ea ka bophara ba valve, e le ho thibela ho sisinyeha ha hydraulic ha seaplane se emisa ho phalla kapa se phalla morao.Li-valve tsa ho hlahloba li-disc swing tse le 'ngoe hangata li loketse lits'ebetso tse mahareng tsa caliber.Ha u sebelisa valve e le 'ngoe ea ho hlahloba li-swing bakeng sa liphaephe tse bophara bo boholo, ho molemo ho sebelisa valve e koalang butle e ka fokotsang khatello ea hamore ea metsi e le ho fokotsa khatello ea hamore ea metsi.Li-valve tsa ho hlahloba li-disc swing tse peli li loketse liphaephe tse kholo le tse mahareng tsa bophara.The double disc swing check valve e nang le sebopeho se senyenyane le boima bo bobebe ke valve ea ho hlahloba ka potlako;Li-valve tsa ho hlahloba li-disc swing tse ngata li loketse liphaephe tse kholo tsa bophara.Sebaka sa ho kenya valve ea ho hlahloba swing ha se na moeli, 'me se ka kenngoa liphaepheng tse tšekaletseng, tse otlolohileng, kapa tse sekametseng.
Ea boraro, valve ea ho hlahloba serurubele: mofuta o otlolohileng.Sebopeho sa valve ea ho hlahloba serurubele se tšoana le valve ea serurubele.Sebopeho sa eona se bonolo, ho hanyetsa ho phalla ho fokolang, khatello ea hamore ea metsi le eona e nyenyane.Leqhubu la valve le pota-potile pinana e setulong sa valve sa valve ea ho hlahloba.Valve ea tlhahlobo ea mofuta oa disc e na le sebopeho se bonolo, se ka kenngoa feela pompong e otlolohileng, ho tiisa ho fokola.
Ea bone, valve ea ho hlahloba diaphragm: ho na le mefuta e sa tšoaneng ea sebopeho, bohle ba sebelisa diaphragm e le likarolo tsa ho bula le ho koala, ka lebaka la ts'ebetso ea eona ea hamore ea metsi, sebopeho se bonolo, theko e tlaase, lilemong tsa morao tjena tsoelo-pele ea kapele.Empa ts'ebeliso ea mocheso oa valve ea diaphragm le khatello ka lithibelo tsa thepa ea diaphragm.Diaphragm check valve e loketse ho hlahisa tšusumetso ea metsi habonolo holim'a phaephe, diaphragm e ka ba molemo haholo ho felisa sepakapaka khahlanong le phallo ea metsi e hlahisoang ke tšusumetso, hangata e sebelisoa liphaepheng tse nang le khatello e tlaase ea mocheso, haholo-holo e loketseng liphaephe tsa metsi, mocheso o akaretsang oa ho sebetsa oa seaplane ho -12 - 120 ℃ pakeng tsa khatello ea ts'ebetso ea <1.6MPa, empa valve ea ho hlahloba diaphragm e ka etsoa ho finyella tekanyo e kholoanyane, boholo bo ka finyelloa ka DN 2000mm kapa Hape!Leha ho le joalo, valve ea ho hlahloba diaphragm e ka ba ea maemo a maholo, DN e ka fihla 2000mm kapa ho feta.
