Li-valve tsa ho hlahloba, tse tsejoang hape e le li-valve tse sa khutleng (NRVs), ke karolo ea bohlokoa ea sistimi efe kapa efe ea lipeipi tsa indasteri kapa ea bolulo.Li sebelisetsoa ho thibela ho khutlela morao, ho netefatsa ts'ebetso e nepahetseng ea tsamaiso le ho thibela tšenyo.

Li-valve tsa ho hlahloba li sebetsa ka mokhoa o bonolo.Khatello e entsoeng ke mokelikeli o phallang ka har'a tsamaiso ea liphaephe e bula valve, 'me phallo leha e le efe e fapaneng e koala valve.E lumella mokelikeli hore o phalle ka ho feletseng o sa sitisoe ka tsela e le 'ngoe' me o koala ka boeona ha khatello e fokotseha.Le hoja sena se le bonolo, ho na le mefuta e sa tšoaneng ea li-valve tsa ho hlahloba tse nang le ts'ebetso le lisebelisoa tse fapaneng.U tseba joang hore na ke mofuta ofe oa cheke o lokelang ho o sebelisa mosebetsing kapa morerong oa hau?Ho u thusa ho etsa khetho e nepahetseng, mona ke lintlha tse ling tsa mefuta e tloaelehileng ea li-valve tsa ho hlahloba.

Swing check valve
White PVC Swing CheckSwing Check Valve e sebelisa disc ka hare ho valve ho lumella kapa ho emisa ho phalla tsamaisong ea liphaephe.Ha mokelikeli o phalla ka tsela e nepahetseng, khatello e qobella disc ho bula le ho boloka e bulehile.Ha khatello e fokotseha, valve ea valve e koala, e thibela ho phalla ha metsi ka morao.Li-valve tsa ho hlahloba li-swing li fumaneha ka mefuta e fapaneng ea thepa, ho kenyeletsoa PVC, CPVC, e hlakileng le ea indasteri.

Ho na le mefuta e 'meli ea li-valve tsa ho hlahloba li-swing tseo re lokelang ho tsepamisa maikutlo ho tsona:

• Top Hinged - Ka har'a valve ena ea ho hlahloba swing, disc e khomaretsoe karolong e ka hare ea valve ka hinge e lumellang disk ho bula le ho koala.

• Swashplate - Sephahla sena sa ho hlahloba swing se entsoe ka tsela e lumellang valve hore e bulehe ka botlalo le ho koala ka potlako khatellong e tlaase ea phallo.E etsa sena ka ho sebelisa "disk" e nang le sebopeho sa "dome" e tletseng selemo ho lumella valve hore e koalehe ka potlako ho feta valve e nang le li-hinged tse ka holimo.Ho phaella moo, disc e ka har'a valve ena ea ho hlahloba e phaphamala, kahoo mokelikeli o phalla holimo le tlase holim'a disc.
Mefuta ena ea li-valve tsa ho hlahloba e sebelisoa haholo ho thibela likhohola tsamaisong ea likhoerekhoere le lits'ebetso tsa ts'ireletso ea mollo.Li sebelisoa lits'ebetsong tse tsamaisang metsi, likhase le mefuta e meng ea mecha ea litaba.

Phahamisaho hlahloba valve
Li-valve tsa ho hlahloba li tšoana haholo le li-valve tsa globe.Ba sebelisa li-piston kapa libolo ho e-na le li-discs tse sebelisoang ke li-valve tsa rotary.Li-valve tsa cheke li sebetsa hantle haholo ho thibela ho lutla ho feta li-valve tsa cheque.Ha re shebeng li-valve tsena tse peli tsa lifti:

• Piston - Mofuta ona oa valve ea ho hlahloba o boetse o tsejoa e le valve ea ho hlahloba plug.E laola phallo ea mokelikeli litsamaisong tsa liphaephe ka ho sisinyeha ha piston ka har'a phaposi ea valve.Ka linako tse ling piston e na le seliba se khomaretsoeng, se thusang hore se lule se koetsoe ha se sa sebelisoe.

Hlakola PVC Ball Check Ball Valve • Balofo ea Ball - Ball check valve e sebetsa feela ka ho sebelisa matla a khoheli.Ha ho e-na le khatello e lekaneng mokelikeli, bolo e phahamisoa, 'me ha khatello e fokotseha, bolo e theohela fatše ebe e koala lesoba.Li-valve tsa ho hlahloba li-ball li fumaneha ka mefuta e sa tšoaneng ea thepa le mefuta ea setaele: PVC: e hlakileng le e bohlooho, CPVC: motsoako oa 'nete le o kopanetsoeng.

Phahamisahlahloba li-valveli sebelisoa lits'ebetsong tse ngata liindastering tse ngata.U tla li fumana libakeng tsa bolulo le tsa indasteri.Li sebelisoa indastering ea lijo le lino, indastering ea oli le khase, le indastering ea likepe, ho bolela tse seng kae.

Butterfly hlahloba valve
Belofo ea ho hlahloba serurubele e ikhetha ka hore disc ea eona e hlile e mena bohareng ho lumella mokelikeli ho phalla.Ha phallo e khutlisetsoa morao, lihalofo tse peli lia buloa hape ho tiisa valve e koetsoeng.Valve ena ea ho hlahloba, eo hape e tsejoang e le valve ea ho hlahloba lipoleiti tse peli kapa phuputso ea ho hlahloba li-disc, e loketse lisebelisoa tse tlaase tsa khatello ea metsi hammoho le tsamaiso ea liphaephe tsa khase.

Sekhahla sa globe
Li-valve tsa ho koala li u lumella ho qala le ho emisa ho phalla ha tsamaiso ea liphaephe.Li fapane ka hore li boetse li u lumella ho laola sephethephethe.Sesepa sa ho hlahloba lefats'e ha e le hantle ke valve ea ho hlahloba e nang le taolo ea ho feta e emisang ho phalla ho sa tsotellehe tataiso ea phallo kapa khatello.Ha khatello e le tlase haholo, valve ea ho hlahloba e koala ka boeona ho thibela ho khutlela morao.Mofuta ona oa valve oa ho hlahloba o ka sebetsa ho sebelisa taolo ea ka ntle ho e-na le ho laola ho feta, ho bolelang hore o ka beha valve sebakeng se koetsoeng ho sa tsotellehe ho phalla.

Li-valve tsa ho hlahloba li-globe li sebelisoa haholo lits'ebetsong tsa boiler, limela tsa motlakase, tlhahiso ea oli le ts'ebeliso ea ts'ireletso e phahameng ea khatello.

Mehopolo ea ho Qetela ho Li-Valves tsa Check
Ha ho tluoa tabeng ea ho thibela ho khutlela morao, ha ho na khetho ntle le valve ea ho hlahloba.Kaha joale u tseba hanyane ka mefuta e fapaneng ea li-valve tsa cheke, u lokela ho tseba ho etsa qeto ea hore na ke efe e loketseng kopo ea hau.