Valve ea bolo ea litsela tse 3 ke eng?
Valve ea bolo ea litsela tse 3ke sesebelisoa se feto-fetohang sa taolo ea mokelikeli se sebelisoang haholo lits'ebetsong tsa indasteri, khoebo le bolulo. Moralo oa sona o ikhethang o nolofalletsa ho fapoha, ho kopanya, kapa ho koala liphaephe. Sehloohong sena, re tla hlahlobamelao-motheo ea ho sebetsa, mefuta(ho kenyeletsoali-valve tsa bolo tsa tšepe e sa hloekang tse nang le litsela tse 3, Mofuta oa Y, Mofuta oa LleMofuta oa T), lits'ebetsolemelemoea li-valve tsena.
Molao-motheo oa ho Sebetsa oaValve ea Ball ea Litsela tse 3
Valve ea bolo ea litsela tse 3 e na le bolo e se nang letho, e potolohang e nang le likou tse le 'ngoe kapa tse peli (likoti) le likhokahano tse tharo tsa liphaephe. Ka ho potoloha bolo ka letsoho kapa ka actuator, tsela ea phallo e fetisetsoa ho eona. Ho latela moralo oa valve, e ka:
- Phallo ea phetohopakeng tsa mehala e 'meli ea ho ntša metsi.
- Kopanya maroho tloha li-inlet tse peli ho ea ho sokete e le 'ngoe.
- Koala phalloka botlalo.
Sebaka sa bolo se khetholla tsela eo phallo e tsamaeang ka eona. Mohlala, ho reteleha ha likhato tse 90 ho ka fetola phallo ho tloha koung e 'ngoe ho ea ho e 'ngoe, ha ho reteleha ha likhato tse 180 ho ka thibela phallo eohle.
Likarolo tsa Bohlokoa tsa Valve ea Ball ea Litsela tse 3
Li-valve tsa liindasteri tsa mahlakore a mararo li itšetlehile ka likarolo tse entsoeng ka mokhoa o nepahetseng ho laola phallo ea mokelikeli. Ho utloisisa likarolo tsena ho netefatsa khetho e ntle ea li-valve bakeng sa lits'ebetso tse kang ts'ebetso ea lik'hemik'hale, HVAC, le litsamaiso tsa oli/khase.
1. Likarolo tsa Bohlokoa tse Sebetsang
•Bolo (Sebaka sa Taolo ea Phallo)
Thepa:Tšepe e sa ruseng (304/316), koporo, kapa metsoako ea titanium
Moralo:E na le likanale tsa mokoti tse bōpehileng joaloka L/T/Y bakeng sa ho faposa/ho kopanya phallo
Phekolo ea Bokaholimo:E bentšitsoeng ka seipone (Ra≤0.8μm) bakeng sa ho tiisa ho se dutle ha lefela
• Setulo sa Valve (Setiiso sa Motheo)
Thepa:PTFE (Teflon™), PEEK, kapa li-elastomer tse matlafalitsoeng
Mosebetsi:E etsa tiiso e tlohang ho tšepe ho ea ho bonolo ka bolo likoung tsa phallo
Boemo ba Mocheso/Khatello:-50°C ho isa ho 260°C | Ho fihlela ho PN40 (Sehlopha sa 300)
2. Sistimi ea ho Tiisa
| Karolo | Karolo le Litlhaloso | Lisebelisoa tse Tloaelehileng |
|---|---|---|
Liroko tsa Tiiso | Thibelo ea ho dutla ha bobeli pakeng tsa bolo le litulo | NBR, EPDM, PTFE e kentsweng ka hare |
Kutu | Phetiso ea torque ho tloha ho actuator ho ea ho bolo | 304 SS e nang le chrome plating |
| - Moralo o thibelang ho phatloha ho latela maemo a API 608 | - Khohlano ea rotary ≤15 Nm |
3. Liketso le Likarolo tsa Sebopeho
• Mohele/Sesebediswa sa ho Sebetsa
Buka ea litaelo:Lipontšo tsa boemo ba 90° kapa 180°
E iketsahalletseng:Li-actuator tsa motlakase/pneumatic (tse lekantsoeng ke IP67) tse nang le taolo ea 4-20mA
• 'Mele oa Valve
Lisebelisoa:Tšepe ea k'habone (WCB), tšepe e sa ruseng (CF8M), tšepe e ductile
Litlhahlobo tsa Khatello:PN16 (1.6 MPa), PN25 (2.5 MPa), PN40 (4.0 MPa)
Qetella Likhokahano:E nang le khoele (NPT/BSP), e nang le flange (ASME B16.5), kapa e tjheselleditsweng
• Lisebelisoa
Li-sensor tsa boemo, li-switch tsa moeli, kapa li-valve tsa ho hlahloba tse kopantsoeng (ha ho hlokahale)
4. Temohisiso ea Tekheniki bakeng sa Baenjiniere
• Tataiso ea Khetho ea Lintho
Sebelisa libolo tsa SS tsa 316L + litulo tsa PTFE bakeng sa li-acid/alkali; 'mele ea tšepe ea khabone bakeng sa mela ea mouoane (phokotso ea litšenyehelo ≥30%).
• Thibelo ea ho Hlōleha
Litšebeliso tsa mocheso o phahameng:Hlalosa litiiso tse kentsweng ka graphite (thibela ho ntsha metsi ho >200°C)
Metsi a khohlelang:Khetha libolo tse koahetsoeng ka thata (HVOF tungsten carbide)
Mefuta ea Li-valve tsa Ball tsa Litsela tse 3
Li-valve tsa bolo tse nang le litsela tse tharo li arotsoe ka lihlopha ho latela litlhophiso tsa tsona tsa koung:
1. Valve ea Ball ea Mefuta e 3 ea L
- EValve ea koung ea Le na le mokoti o bōpehileng joaloka "L".
- E tataisa phallo pakeng tsa likou tse peli ha e ntse e thibela ea boraro.
- Likopo: E loketse ho fetola phallo ea metsi (mohlala, ho fapanyetsana lipakeng tsa litsamaiso tsa ho pholisa le tsa ho futhumatsa).
2. Valve ea Bolo ea Mefuta e 3 ea T
- EValve ea koung ea Te na le mokoti o bōpehileng joaloka "T".
- E ka kopanya phallo e 'meli e kenang kapa ea arola phallo e le 'ngoe ka mahlakoreng a mabeli.
- Likopo: E sebelisoa lits'ebetsong tsa ho kopanya, joalo ka ho kopanya metsi a chesang le a batang.
3. Valve ea Bolo ea Mefuta e 3 ea Y
- EValve ea koung ea Ye na le mothapo o sekametseng ka di-degree tse 120, o fokotsang ho theoha ha kgatello.
- E loketse lits'ebetso tse hlokang ho fapoha ha phallo e boreleli le pherekano e fokolang.
- Likopo: E tloaelehile lits'ebetsong tsa ts'ebetso ea lik'hemik'hale le tsa HVAC.
Ho phaella moo,li-valve tsa bolo tsa tšepe e sa hloekang tse nang le litsela tse 3li tumme ka ho hanyetsa mafome, e leng se etsang hore li be ntle bakeng sa libaka tse thata joalo ka liindasteri tsa leoatleng kapa tsa lik'hemik'hale.
Kamoo Li-valve tsa Libolo tsa Litsela tse 3 li Fapaneng le Mefuta e Meng ea Li-valve
Ho fapana le di-valve tse tlwaelehileng tse lekanyeditsweng mesebetsing ya ho bula/ho tima, di-valve tsa bolo tse nang le ditsela tse 3 di nolofalletsa taolo e rarahaneng ya phallo (ho fapoha, ho kopanya, ho chencha) yuniting e le nngwe e nyane. Re sekaseka dipharologanyo tsa sebopeho le tshebetso re sebedisa data ya boenjiniere.
1. Melemo e Ikhethang ea Moralo
A. Taolo ea Phallo ea Maeto a Mangata
| Mofuta oa Valve | Tsela ea Phallo | Bokhoni |
|---|---|---|
| Valve ea Ball ea Litsela tse 3 | Bore e bōpehileng joaloka L/T | • Ho arohana ha phallo (lesoba le le leng → masoba a 2) • Ho kopanya phallo (li-inlets tse 2 → sehokelo se le seng) • Ho fetola tsela |
| Valve ea Bolo e Tloaelehileng | Bore e otlolohileng | • Ho buloa/ho tima feela |
| Heke/Valve ea Lefatše | Phallo e otlolohileng | • Ho thiba kapa ho itšehla thajana |
*Mohlala: Li-valve tsa T-port li fetola karolelano ea phallo (mohlala, karohano ea 70/30) lits'ebetsong tsa ho kopanya.*
B. Kopanyo ea ho Boloka Sebaka
• E nkela li-valve tse ngata sebaka + li-fitting tsa liphaephe sebaka
• Phokotso ea boholo: Li-valve tsa bolo tsa DN50 tse nang le litsela tse 3 li khutšoanyane ka 30-40% ho feta likopano tsa li-valve tsa globe tse peli (ho latela Buka ea Khetho ea Li-valve tsa Liindasteri)
• Phokotso ea boima: Ho fihlela ho 25% ha ho bapisoa le li-valve tsa heke tse lekanang
2. Papiso ea Tshebetso: Litekanyo tsa Bohlokoa
2.1 khahlanong le Li-valve tsa Heke
| Paramethara | Valve ea Ball ea Litsela tse 3 | Valve ea Heke |
|---|---|---|
| Ho tiisa | Litiiso tse bonolo (PTFE): ≤0.01% ho dutla | Litiiso tsa tšepe: ~ 0.1% ho dutla |
| (ISO 5208 Sehlopha sa VI) | (ISO 5208 Sehlopha sa IV) | |
| Lebelo la Tshebetso | Ho potoloha ka 90° (metsotsoana e 1-2) | Lebili la letsoho le phetoang hangata (metsotsoana e 10+) |
| Tlhokomelo | Lipotoloho tse fetang 100,000 (bophelo ba tiiso ea kutu) | Ho lokisa liphutheloana tsa litšoelesa khafetsa |
Li-valve tsa Globe tsa 2.2 khahlanong le Globe
| Paramethara | Valve ea Ball ea Litsela tse 3 | Valve ea Lefatše |
|---|---|---|
| Khanyetso ea Phallo | Kv=0.05 (khatello e theohelang ho fihlela ho lefela) | Kv=5.0 (pherekano e phahameng) |
| Bophelo ba Tšebeletso | Bophelo ba lilemo tse 10 (ha ho setulo se nkeloang sebaka) | Ho nkela diski/setiiso sebaka selemo le selemo |
| Ho Bokgoni ba Litšenyehelo | TCO e tlase ka 35% (tlhokomelo e fokotsehile) | Tšebeliso e phahameng ea likarolo tse ling |
Mohloli: Lintlha tsa tahlehelo ea khatello ea "Likopo tsa Mechanics ea Boenjiniere ba Mokelikeli"
2.3 khahlanong le Li-valve tsa Serurubele
| Paramethara | Valve ea Ball ea Litsela tse 3 | Valve ea Serurubele |
|---|---|---|
| Tekanyetso ea Khatello | PN64 (ASME Sehlopha sa 400) | Palo e ka Holimo ea PN16 (Sehlopha sa 150) |
| Tiiso e Tiileng ea Lipululana | E ka fihlelleha ho fihlela ho 0 bar | E lekanyelitsoe ka khatello e tlase |
| Melemo ea Litšenyehelo | E ntle bakeng sa mela ea DN15-DN200 | E theko e tlase bakeng sa litsamaiso tsa DN300+ |
Tataiso ea Khetho ea Bohlokoa
✅ Khetha li-valve tsa bolo tsa litsela tse 3 ha u hloka:
• Ho kopanya phallo/ho fapanyetsana tekanyong ea lik'hemik'hale
• Ho koala ha ho dutle letho bakeng sa mecha ea litaba e kotsi
• Meaho e nang le sebaka se fokolang (mohlala, litsamaiso tse kentsweng ka thelelo)
⚠️ Nahana ka mekhoa e meng bakeng sa:
• Methapo ea metsi e nang le bophara bo boholo e theko e tlase (sebelisa li-valve tsa serurubele)
• Ho thiba ka nepo e phahameng (ho khethoa li-valve tsa globe)
Likopo tsa Bohlokoa le Maemo a Mosebetsi
Li-valve tsa bolo tse nang le litsela tse 3 li sebelisoa liindastering tsohle ka lebaka la ho ikamahanya le maemo ha tsona:
- Indasteri: Laola mouoane, likhase, kapa maro a senyang limela tsa lik'hemik'hale.
- HVAC: Laola kabo ea metsi a futhumatsang/a pholileng.
- Kalafo ea Metsi: Fetola kapa kopanya maro ka hara ditsamaiso tsa ho sefa.
- Oli le Khase: Sebetsana le liphaephe tse nang le khatello e phahameng.
Li-valve tsa bolo tsa tšepe e sa hloekang tse nang le litsela tse 3ba ipabola maemong a feteletseng, ho kenyeletsoa le mocheso o phahameng, mecha ea phatlalatso e senyang, le litsamaiso tsa khatello e phahameng.
Melemo ea Li-valve tsa Ball tsa Litsela tse 3
- Mesebetsi e mengata: Etsa mesebetsi ea ho kopanya, ho faposa le ho tima ka valve e le 'ngoe.
- Moralo o Monyenyane: Boloka sebaka ha ho bapisoa le ho sebelisa li-valve tse ngata tsa litsela tse peli.
- Ho tšoarella: Ts'epe e sa beng le mabalimefuta e fapaneng e hanela mafome, khoholeho ea mobu le tšenyo ea lik'hemik'hale.
- Tlhokomelo e Tlase: Sebopeho se bonolo se nang le dintlha tse fokolang tsa ho dutla.
- Ts'ebetso e Potlakileng: Ho potoloha ha likhato tse 90 ho nolofalletsa taolo e potlakileng ea phallo.
Ho Khetha Valve e Nepahetseng ea Litsela tse 3
Ho khetha mofuta o nepahetseng ho latela litlhoko tsa sistimi ea hau:
- SebelisaMofuta oa Lbakeng sa ho fetola pakeng tsa li-socket tse peli.
- Khetha bakeng saMofuta oa Tho kopanya kapa ho arola phallo.
- KhethaMofuta oa Ybakeng sa ho fapoha ho sa hanyetseng haholo.
- Bakeng sa libaka tse senyang, beha lintho tsa bohlokoa peleli-valve tsa bolo tsa tšepe e sa hloekang tse nang le litsela tse 3.
Qetello
Litsela tse 3li-valve tsa bololi bohlokoa bakeng sa taolo e sebetsang hantle ea phallo lits'ebetsong tse rarahaneng tsa liphaephe. Ho utloisisa liphapang lipakeng tsaMofuta oa L, Mofuta oa TleMofuta oa Yli-valve—hammoho le likhetho tsa thepa tse kangts'epe e sa beng le mabali—e netefatsa tshebetso e ntle ka ho fetisisa. Ebang ke diindastering, kalafong ya metsi, kapa ditsamaisong tsa HVAC, di-valve tsena di fana ka botshepehi, ho tenyetseha le ho phela nako e telele.
Nako ea poso: Hlakubele-03-2025