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Sephahla sa ho hlahloba selemo ke eng
Sesepa sa ho hlahloba ke eng
Li-valve tsa tlhahlobo ea selemo li sebetsa joang ha li bapisoa le li-valve tsa cheque
Mefuta ea Li-valve tsa Spring Check
Mefuta ea Li-valve tsa Swing Check
Mokhoa oa ho hlahloba li-valve tsa Spring Check le Swing Check Li-valve li hokahana le liphaephe
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Li-valve tsa Spring le Swing Check
Khaolo ea 1 - Sesepa sa Tlhahlobo ea Selemo ke Eng?
Sesepa sa ho hlahloba selemo ke valve e tiisang ho phalla ka tsela e le 'ngoe le ho thibela ho phalla ho khutlela morao. Li na le sekoti le se kenang 'me li tlameha ho behoa sebakeng se nepahetseng hore li sebetse hantle. Ka lehlakoreng la li-valve tsa ho hlahloba nakong ea selemo le li-valve tsohle tsa ho hlahloba, ho na le motsu o supang moo phallo e leng teng. Sesepa sa ho hlahloba se nang le spring-loaded se bitsoa valve ea tsela e le 'ngoe kapa valve ea tsela e le' ngoe. Sepheo sa valve ea ho hlahloba selemo ke ho sebelisa selemo le khatello e sebelisoang ho disc ho emisa ho khutlela morao ho koala valve.

valve ea ho hlahloba selemo
Cheka-All Valve Mfg. Co's Spring Check Valve

E le hore valve ea ho hlahloba e sebetse hantle, e tlameha ho ba le khatello e fapaneng, e phalle ho tloha khatellong e phahameng ho ea ho khatello e tlaase. Khatello e phahameng kapa khatello ea ho phunyeha ka lehlakoreng le kenang e lumella mokelikeli ho phalla ka valve le ho hlōla matla a selemo ka har'a valve.

Ka kakaretso, valve ea ho hlahloba ke sesebelisoa se lumellang mofuta ofe kapa ofe oa mecha ea litaba hore o phalle ka tsela e le 'ngoe. Sebopeho sa mochine oa ho hlahloba e ka ba spherical, disc, piston kapa poppet, hlooho ea li-mushroom. Li-valve tsa ho hlahloba selemo li thibela ho phalla ka morao e le mokhoa oa ho sireletsa lipompo, lisebelisoa le mechine ha khatello ea tsamaiso e qala ho fokotseha, butle, ho emisa kapa ho khutlela morao.

Khaolo ea 2 - Belofo ea ho hlahloba swing ke eng?
Li-valve tsa ho hlahloba li-swing li lumella ho phalla ka tsela e le 'ngoe le ho koala ka tsela e iketsang ha khatello ea khatello e fokotseha. Ke mofuta oa li-valve tsa serurubele tse nang le diski e koahetseng sebaka se bulehileng. Puck e khomaretsoe ho hinge e le hore ha e otloa ke ho phalla ha mecha ea litaba, puck e ka phunyeletsa e bulehile kapa ea koaloa. Motsu o lehlakoreng la 'mele oa valve o bontša tsela eo mokelikeli o phallang ka eona ho kena le ho tsoa ka valve.

Boemo ba khatello ea mokelikeli bo sutumelletsa disc kapa monyako o bulehile, ho lumella mokelikeli ho feta. Ha phallo e tsamaea ka tsela e fosahetseng, disc e koala ka lebaka la ho phunyeletsa ha mokelikeli kapa bohareng.

Swing check valve

Li-valve tsa ho hlahloba li-swing ha li hloke matla a ka ntle. Ho feta ha maro kapa mecha ea litaba ka tsona ha e sitisoe ke boteng ba tsona. Li kentsoe ka holimo liphaepheng, empa li ka kenngoa ka holimo ha feela phallo e le holimo.

Moetsi le Mofani oa Thepa ea Li-valve ea Eteletseng Pele ea Selemo
Khampani ea Tlhahiso ea Li-valve Tsohle - Letšoao
Khampani ea Tlhahiso ea Li-valve Tsohle
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ASC Engineering Solutions
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O'Keefe Controls
CPV Manufacturing, Inc. - Letšoao
Khampani ea Tlhahiso ea CPV
ikopanye le lik'hamphani tsena
Fumana k'hamphani ea hau e thathamisitsoeng ka holimo

Khaolo ea 3 - Mefuta ea Li-valve tsa Spring Check
E le hore valve ea ho hlahloba e kentsoeng nakong ea selemo e sebetse hantle, e tlameha ho ba le khatello e holimo, e bitsoang cracking pressure, ho e boloka e bulehile. Palo ea khatello ea ho phunyeha e hlokahalang e itšetlehile ka mofuta oa valve, kaho ea eona, litšobotsi tsa selemo le mokhoa oa eona oa liphaephe. Litlhaloso tsa khatello ea ho qhoma li ka liponto ka lisenthimithara tse lisekoere (PSIG), liponto ka lisenthimithara tse sekwere (PSI), kapa bar, 'me metric unit ea khatello e lekana le 14.5 psi.

Ha khatello e holimo e le tlase ho feta khatello ea ho phunyeha, khatello ea morao e fetoha ntho 'me mokelikeli o tla leka ho phalla ho tloha phallong ea valve ho ea ho e kenang. Ha sena se etsahala, valve e koala ka boeona 'me phallo e emisa.

Mofuta oa Li-valve tsa Spring Check
Axial flow silent check valve
Ka axial flow silent check valve, poleiti ea valve e ts'oaroa ke seliba se behang setsi sa valve bakeng sa ho phalla hantle le ho bula le ho koala hang-hang. Selemo le disc li bohareng ba phala, 'me mokelikeli o phalla ho potoloha disc. Sena se fapane le li-valve tsa swing kapa mefuta e meng ea li-valve tsa selemo, tse ntšang disc ka ho feletseng ka mokelikeli, li siea tube e bulehileng ka ho feletseng.

Moqapi o khethehileng oa axial flow silent check valve o etsa hore e be theko e boima ho feta li-valve tsa khale tsa ho hlahloba selemo le li-valve tsa ho hlahloba li-swing. Le hoja li theko e boima haholo, phaello ea lichelete e bakoa ke nako e telele ea bophelo, e ka nkang lilemo tse tharo ho nkeloa sebaka.

Kaho e ikhethang ea Axial Flow Quiet Check Valve eu lumella hore u bone ka tlase moo valve e bulang le ho phalla ha metsi. Joaloka li-valve tsa ho hlahloba nakong ea selemo, li-valve tsa axial check valve li qala ho koala ha khatello ea metsi e theoha. Ha khatello e fokotseha butle-butle, valve e koala butle-butle.

Axial static flow check valve

Ball spring check valve
Li-valve tsa ho hlahloba li-ball spring li sebelisa bolo e le setulo se koalang haufi le lesoba le kenang. Setulo sa tiiso se teiloe ho tataisa bolo ho eona le ho etsa tiiso e ntle. Ha khatello e tsoang ho phallo e le kholo ho feta selemo se tšoereng bolo, bolo e ea sisinyeha,