Li-valve tsa bolo ke tse ling tsa li-valve tse sebelisoang haholo lits'ebetsong tsa indasteri le tsa bolulo ka lebaka la ts'epo ea tsona, ho tšoarella le bonolo ba ts'ebetso. Sengoloa sena se hlahloba hore na valve ea bolo ke eng, likarolo tsa eona tsa bohlokoa ('mele, bolo, setulo), lihlopha, maemo a khatello le boholo, le mekhoa ea ts'ebetso. Hore na u moenjiniere, setsebi sa theko, kapa motho ea ratang ho iketsetsa lintho, tataiso ena e tla u thusa ho utloisisa mokhoa oa ho khetha valve ea bolo e nepahetseng bakeng sa litlhoko tsa hau.
Valve ea Bolo ke eng
A valavu ea boloke valve e potolohang ka kotara e sebelisang bolo e se nang letho, e phunyehileng, le e potolohang ho laola phallo ea mokelikeli. Ha borokho ba bolo bo tsamaisana le phaephe, mokelikeli o phalla ka bolokolohi; ho potoloha bolo ka likhato tse 90 ho thibela phallo ka botlalo. Moralo oa eona o bonolo o netefatsa ts'ebetso e potlakileng, ho lutla ho fokolang, le ho lumellana le metsi, oli, khase le mecha ea phatlalatso e senyang.
Likarolo tsa Bohlokoa tsa Valve ea Ball
1. 'Mele oa Valve ea Ball
The'Mele oa valve ea boloke khetla e ka ntle e bolokang dikarolo tsa kahare. Hangata e entswe ka thepa e tiileng jwalo ka tshepe e sa ruseng, koporo, kapa PVC, ho itshetlehile ka tshebediso. Moralo wa mmele o etsa qeto ya tekanyo ya kgatello ya valve le mofuta wa kgokelo (e tshwerweng ka khoele, e flanged, kapa ya wafer).
2. Bolo ea Valve ea Bolo
Thebolo ea valve ea boloke bolo e potolohang e nang le mokoti (lesoba) bohareng ba eona. Hangata e koahetsoe ka chrome kapa e koahetsoe ka thepa e kang PTFE ho fokotsa khohlano le ho hanela mafome. Ho sebetsa ka nepo ha bolo ho netefatsa ho koaloa ka thata le ts'ebetso e boreleli.
3. Setulo sa Valve ea Ball
Thesetulo sa valve ea boloke karolo e bōpehileng joaloka lesale e etsang tiiso pakeng tsa bolo le 'mele. Litulo hangata li entsoe ka thepa e bonolo joalo ka PTFE kapa thermoplastics e matlafalitsoeng ho netefatsa ts'ebetso e sa lutleng, esita le tlas'a khatello e phahameng.
Mefuta ea Li-valve tsa Libolo tse Thehiloeng ho Mokhoa oa Khokahano
1. Valve ea Bolo e Tšoeutsoeng
A valafo ea bolo e nang le khoeleE na le likhoele tse tona kapa tse tšehali lipheletsong tsa eona, e lumellang ho kenngoa ka sekere ka kotloloho ka har'a liphaephe. E loketse litsamaiso tsa bolulo tse nang le khatello e tlase (mohlala, liphaephe, HVAC), li-valve tsena li theko e tlaase ebile li bonolo ho li kenya ntle le ho li tjheseletsa.
Likopo:
- Phepelo ea metsi malapeng
- Mehala ea peterole
- Mekhoa e menyenyane ea indasteri
2. Valve ea Bolo e Fetotsoeng
A valafo ea bolo e nang le flangee na le dintlha tse otlolohileng tse khomaretsweng ho di-flange tsa diphaephe. Di-valve tsena di sebetsana le ditsamaiso tsa kgatello e phahameng le tse bophara bo boholo, di fana ka tlhokomelo e bonolo le ho di qhaqha. Di-gasket pakeng tsa di-flange di netefatsa kgokelo e sireletsehileng, e se nang ho dutla.
Likopo:
- Liphaephe tsa oli le khase
- Litsi tsa ho sebetsana le lik'hemik'hale
- Libaka tsa kalafo ea metsi
3. Valve ea Bolo ea Wafer
A valve ea bolo ea wafer(kapa *valve ea bolo ea setaele sa clamp*) e arotsoe pakeng tsa li-flange tse peli tsa liphaephe ho sebelisoa libolutu. Li nyane ebile li bobebe, li-valve tsena li lumellana le litsamaiso tse nang le sebaka se fokolang empa ha li na likhokahano tsa pheletso, li itšetlehile ka khatello ea flange bakeng sa ho koala.
Likopo:
- Ho sebetsana le lijo le lino
- Litsamaiso tse nyane tsa HVAC
- Litsamaiso tsa haeteroliki tse nang le khatello e tlase
Lihlopha tsa Li-valve tsa Ball ka Moralo
1. Valve ea Bolo e Phaphametseng
Bolo e tshwerwe sebakeng sa yona ke ditulo tse pedi mme e phaphamala hanyane tlasa kgatello. E loketse di-valve tse nyane ho isa ho tse mahareng, moralo ona o theko e tlase empa o ka thatafallwa ke ho phahama ha kgatello e phahameng.
2. Valve ea Bolo ea Trunnion
Bolo e tšehelitsoe ke mokhoa oa trunnion (pivot), o fokotsang torque ea ts'ebetso le ho sebetsana le khatello e phahameng. E tloaelehile liphaepheng tsa oli le khase.
3. Kou e Felletseng khahlanong le Kou e Fokolitsoeng
- Belofo e Felletseng ea Bolo ea Port: Bore e tsamaellana le bophara ba phaephe, e fokotsa ho hanyetsa phallo.
- Phokotso ea Port Ball Valve: Mongobo o monyane, o fokotsa boholo ba valve le litšenyehelo empa khatello e ntse e theoha haholo.
Litekanyetso le Boholo ba Khatello ea Valve ea Ball
Litlhahlobo tsa Khatello
Li-valve tsa bolo li lekantsoe ho latela khatello ea tsona e phahameng ka ho fetisisa e lumelletsoeng (mohlala, ANSI Class 150, 300, 600). Lihlopha tse phahameng li bontša khanyetso e kholo ea khatello. Mohlala:
- Sehlopha sa 150: 285 PSI ho 100°F
- Sehlopha sa 600: 1,440 PSI ho 100°F
Mabaka a Amang Bokhoni ba Khatello:
- Matla a thepa
- Botšepehi ba setulo le tiiso
- Mofuta oa khokahano (li-valve tse nang le flanged li sebetsana le khatello e phahameng)
Maemo a Boholo
Boholo ba li-valve tsa bolo bo tloha ho ¼ inch (bakeng sa tšebeliso ea bolulo) ho isa ho tse fetang 48 inches (liphaephe tsa indasteri). Maemo a tloaelehileng a kenyelletsa:
- NPT (Khoele ea Naha ea Pipe): Bakeng sa di-valve tse nang le khoele.
- ASME B16.10: Bakeng sa litekanyo tsa lifahleho li talimane.
- ASME B16.5: Bakeng sa di-valve tse flanged.
Mekhoa ea Ts'ebetso ea Valve ea Ball
1. Ho sebetsa ka letsoho
E sebetsoa ka lever kapa lebili la letsoho. E molemo ka ho fetisisa bakeng sa di-valve tse nyane kapa ditsamaiso tse hlokang diphetoho tse sa etsweng ka mehla.
2. Ts'ebetso ea Pneumatic
E sebelisa moea o hatelletsoeng ho iketsetsa ts'ebetso ea valve. E loketse libaka tse hole kapa tse kotsi.
3. Ts'ebetso ea Motlakase
E tsamaisoa ke lienjene tsa motlakase, e nolofalletsang ho kopanngoa le litsamaiso tsa taolo bakeng sa taolo ea phallo e nepahetseng.
Mokhoa oa ho Khetha Valve ea Ball e Nepahetseng
1. Ho lumellana ha mecha ea litaba: Netefatsa hore thepa (mmele, bolo, setulo) e hanela ho bola ho tsoa mokelikeling.
2. Khatello le Mocheso: Bapisa tekanyo ea valve le litlhoko tsa sistimi.
3. Mofuta oa Khokahano: Khetha e nang le khoele, e flanged, kapa wafer ho latela moralo oa liphaephe.
4. Boholo ba Kou: Khetha li-valve tse felletseng tsa koung bakeng sa litsamaiso tse phallang haholo.
5. Ts'ebetso: Iketsa haeba ho hlokahala diphetoho tse kgafetsa kapa taolo ya remoutu.
Qetello
Li-valve tsa bolo lia tenyetseha, lia tšoarella, 'me lia hlokahala bakeng sa ho laola phallo ea mokelikeli liindastering. Ho utloisisa likarolo tsa tsona—'Mele oa valve ea bolo, bololesetulo— hammoho le mefuta e kangkhoele, e betliloenglesejana sa bohobeli-valve tsa bolo, li netefatsa ts'ebetso e ntle ea sistimi. Ka ho nahana ka litekanyetso tsa khatello, boholo le mekhoa ea ts'ebetso, u ka khetha valve e fihlelang litlhoko tsa hau tsa ts'ebetso. Kamehla sebelisana le moetsi ea nang le botumo bo botle ho netefatsa boleng le ho latela litekanyetso tsa indasteri.
Nako ea poso: Hlakubele-20-2025