Li-valve tsa bolo ke tse ling tsa li-valve tse sebelisoang haholo lits'ebetsong tsa indasteri le tsa bolulo bakeng sa ho ts'epahala, ho tšoarella, le boiketlo ba ts'ebetso ea tsona. Sengoliloeng 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 o moenjiniere, setsebi sa ho reka thepa, kapa motho ea chesehelang DIY, tataiso ena e tla u thusa ho utloisisa mokhoa oa ho khetha valve e nepahetseng bakeng sa litlhoko tsa hau.
Sesepa sa Ball ke eng
A belofo ea boloke belofo ea kotara ea ho thinya e sebelisang bolo e sekoti, e phunyeletsoeng le e pota-potileng ho laola phallo ea mokelikeli. Ha bore ea bolo e ikamahanya le phaephe, mokelikeli o phalla ka bolokolohi; ho potoloha bolo ka likhato tse 90 ho thibela ho phalla ka ho feletseng. 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 litaba e senyang.
Likarolo tsa Bohlokoa tsa Valofo ea Bolo
1. 'Mele oa Valve ea Ball
The'mele oa valve ea boloke khetla e ka ntle e nang le likarolo tse ka hare. Hangata e entsoe ka thepa e matla joalo ka tšepe e sa hloekang, koporo kapa PVC, ho latela ts'ebeliso. Sebopeho sa 'mele se etsa qeto ea tekanyo ea khatello ea valve le mofuta oa khokahanyo (tse nang le khoele, tse nang le flanged, kapa oafer).
2. Ball Valve Ball
Thebolo ea valve ea boloke sedikadikwe se potolohang se nang le bore (mokoti) bohareng ba sona. Hangata e na le chrome-plated kapa e koahetsoe ka thepa e kang PTFE ho fokotsa khohlano le ho hanela kutu. Ho sebetsa ka mokhoa o nepahetseng ha bolo ho tiisa ho tiisa le ho sebetsa hantle.
3. Setulo sa Valve ea Ball
Thesetulo sa valve ea boloke karolo e sebopeho sa lesale e bopang tiiso pakeng tsa bolo le mmele. Hangata litulo li entsoe ka thepa e bonolo joaloka PTFE kapa thermoplastics e matlafalitsoeng ho netefatsa ts'ebetso ea ho lutla, leha e le tlas'a khatello e matla.
Mefuta ea Li-valve tsa Ball e Thehiloe ho Mokhoa oa Khokahano
1. Thibelo Ball Valve
A thapo ea bolo ea maotoe na le likhoele tse tona kapa tse tšehali lipheletsong tsa eona, e lumellang hore ho kenngoe sekurufu ka kotloloho liphaepheng. E loketse lits'ebetso tsa bolulo tse nang le khatello e tlase (mohlala, liphaephe tsa metsi, HVAC), li-valve tsena li na le litšenyehelo tse tlase ebile li bonolo ho li kenya ntle le tjheseletso.
Lisebelisoa:
- Phepelo ea metsi ea bolulo
- Mehala ea khase
- Litsamaiso tse nyane tsa indasteri
2. Flanged Ball Valve
A flanged ball valvee na le mapheo a nang le liphaephe tse koahetseng liphaephe. Li-valve tsena li sebetsana le litsamaiso tse phahameng tsa khatello le bophara bo boholo, tse fanang ka tlhokomelo e bonolo le ho qhaqha. Li-gaskets lipakeng tsa li-flange li netefatsa khokahano e sireletsehileng, e sa lutleng.
Lisebelisoa:
- Lipeipi tsa oli le khase
- Lik'hemik'hale tse sebetsanang le lik'hemik'hale
- Lisebelisoa tsa ho hloekisa metsi
3. Sephaphatha Ball Valve
A valve ea bolo ea maoto(kapa *clamp-style ball valve*) e kentsoe lipakeng tsa liphaephe tse peli ho sebelisoa liboutu. Li-valve tsena li kopane ebile li bobebe, li lumellana le litsamaiso tse thibelang sebaka empa ha li na likhokahano tsa pheletso, li itšetlehile ka khatello ea flange bakeng sa ho tiisoa.
Lisebelisoa:
- Phetoho ea lijo le lino
- Sistimi e kopaneng ea HVAC
- Sistimi ea hydraulic ea khatello e tlase
Lihlopha tsa Balofo ka Moralo
1. Phapang Ball Valve
Bolo e ts'oaroa ke litulo tse peli mme e phaphamala hanyane tlasa khatello. E loketse li-valve tse nyane ho isa ho tse mahareng, moralo ona o na le litšenyehelo tse tlase empa o ka 'na oa loana le ho phahama ha khatello e phahameng.
2. Trunnion Ball Valve
Bolo e tšehelitsoe ke mochine oa trunnion (pivot), o fokotsang torque e sebetsang le ho sebetsana le likhatello tse phahameng. E tloaelehileng liphaepheng tsa oli le khase.
3. Boema-kepe bo Felletseng vs Boema-kepe bo Fokotsoeng
- E Felletseng Port Ball Valve: Bore e tsamaisana le bophara ba liphaephe, e fokotsa khanyetso ea phallo.
- E fokotsehile Port Ball Valve: Bore e nyane, e fokotsa boholo ba li-valve le litšenyehelo empa khatello e eketseha.
Likhatello tsa Khatello ea Balofo le Boholo
Khatello Ratings
Li-valve tsa bolo li lekantsoe ho ipapisitsoe le khatello ea tsona e phahameng e lumelletsoeng (mohlala, ANSI Class 150, 300, 600). Lihlopha tse phahameng li bontša khanyetso e kholo ea khatello. Ka mohlala:
- Sehlopha sa 150: 285 PSI ho 100°F
- Sehlopha sa 600: 1,440 PSI ho 100°F
Lintlha tse Amang Khatello ea Matla:
- Matla a lintho tse bonahalang
- Botšepehi ba setulo le tiiso
- Mofuta oa khokahanyo (li-valve tse nang le flanged li sebetsana le likhatello tse phahameng)
Litekanyetso tsa boholo
Bophahamo ba li-valve tsa bolo bo tloha ho ¼ inch (bakeng sa tšebeliso ea bolulo) ho isa ho 48 inches (liphaephe tsa indasteri). Litekanyetso tse tloaelehileng li kenyelletsa:
- NPT (Khoele ea Naha ea Pipe): Bakeng sa li-valve tse nang le khoele.
- ASME B16.10: Bakeng sa litekanyo tsa sefahleho le sefahleho.
- ASME B16.5: Bakeng sa li-valve tse nang le flanged.
Mekhoa ea Ts'ebetso ea Ball Valve
1. Manual Actuation
E tsamaisoa ka lever kapa handwheel. Molemo ka ho fetisisa bakeng sa li-valve tse nyenyane kapa litsamaiso tse hlokang liphetoho tse sa tloaelehang.
2. Ts'ebetso ea Pneumatic
E sebelisa moea o hatelitsoeng ho etsa tšebetso ea li-valve. E loketse libaka tse hole kapa tse kotsi.
3. Ts'ebetso ea Motlakase
E tsamaisoa ke li-motors tsa motlakase, tse nolofalletsang ho kopanya le litsamaiso tsa taolo bakeng sa taolo e nepahetseng ea phallo.
Mokhoa oa ho khetha Valve e nepahetseng ea Ball
1. Tšebelisano le Mecha ea litaba: Etsa bonnete ba hore lisebelisoa ('mele, bolo, setulo) li hanela ho bola ho tsoa mokelikeli.
2. Khatello le Mocheso: Bapisa tekanyo ea valve le litlhoko tsa tsamaiso.
3. Mofuta oa Khokahano: Khetha e kolobisitsoeng, e nang le flange, kapa sephaphatha ho ipapisitse le moralo oa lipeipi.
4. Boholo ba Boema-kepe: Khetha li-valve tse feletseng tsa li-port bakeng sa litsamaiso tse phahameng tsa phallo.
5. Ketso: Iketsetse haeba ho hlokahala liphetoho khafetsa kapa taolo e hole.
Qetello
Li-valve tsa bolo li na le maemo a mangata, lia tšoarella, 'me li bohlokoa bakeng sa ho laola phallo ea mokelikeli ho pholletsa le indasteri. Ho utloisisa likarolo tsa bona -'mele oa valve ea bolo, bolo, lesetulo- hammoho le mefuta e joalokhoele, flanged, lesephaphathali-valve tsa bolo, li netefatsa ts'ebetso e nepahetseng 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 'moho le moetsi ea tsebahalang ho netefatsa boleng le ho latela maemo a indasteri.
Nako ea poso: Mar-20-2025