Li-valve tsa heke li sebelisoa ho koala phallo ea metsi ho fapana le ho laola phallo. Ha e butsoe ka botlalo, valve e tloaelehileng ea heke ha e na tšitiso tseleng ea phallo, e leng se fellang ka khanyetso e tlase haholo ea phallo. Boholo ba tsela e bulehileng ea phallo hangata bo fapana ka tsela e sa lateleng ha heke e sisinyeha. Sena se bolela hore sekhahla sa phallo ha se fetohe ka ho lekana ka leeto la kutu. Ho latela kaho, heke e bulehileng hanyane e ka thothomela ho tsoa phallong ea metsi.
Likarolo tsa Moralo
- Sekurufu le Joko ea Kantle (OS&Y)
- Tšoelesa ea ho paka ea likotoana tse peli
- Bonnete e nang le bolte e nang le gasket e nang le leqeba le potolohang
- Setulo se ka morao se kopaneng
Litlhaloso
- Moralo oa Motheo: API 602, ANSI B16.34
- Qetello ho isa Qetellong: Tekanyetso ea DHV
- Teko le Tlhahlobo: API-598
- Lipheletso tse nang le li-screwed (NPT) ho isa ho ANSI/ASME B1.20.1
- Lipheletso tsa ho weld tsa sokete ho ea ho ASME B16.11
- Ho weld ha butt ho fella ka ASME B16.25
- Sekoahelo sa ho Qetela: ANSI B16.5
Likarolo tse Ikhethelang
- Tšepe e Lahliloeng, Tšepe e kopantsoeng, Tšepe e sa hloekang
- Kou e Felletseng kapa Kou e Tloaelehileng
- Thipa e Atolositsoeng kapa e ka Tlase ho Tiiso
- Bonnete e Welded kapa Bonnete ea Setiiso sa Khatello
- Ho notlela Sesebelisoa ha ho kopuoa
- Tlhahiso ho NACE MR0175 ha ho kopuoa
Ho taka Lihlahisoa
Maemo a Kopo
1.Moralo le tlhahiso li lumellana le API 602, BS5352, ANSI B 16.34
2. Lipheletso tsa khokahano li fapana le:
1) Tekanyo ea weld ea sokete e lumellana le ANSI B 16.11, JB/T 1751
2) Litekanyo tsa screw li lumellana le ANSI B 1.20.1, JB/T 7306
3) Mokokotlo o tjheselletsoang o lumellana le ANSI B16.25, JB/T12224
4) Lipheletso tse nang le Flanged li lumellana le ANSI B 16.5, JB79
3.Teko le tlhahlobo li lumellana le:
1) API 598, GB/T 13927, JB/T9092
4. Likarolo tsa sebopeho:
Bolnet e nang le bolti, screw le joko e ka ntle
Bonnet e welded, li-scre le joko tse kantle
5. Lintho tse hlokahalang li lumellana le ANSI/ASTM
6. Lisebelisoa tse ka sehloohong:
A105,LF2,F5,F11,F22,304(L),316(L),F347,F321,F51,Monel,20Alloy
Tšepe ea k'habone Sekhahla sa mocheso le khatello
CL150-285 PSI@ 100°F
CL300-740 PSI@ 100°F
CL600-1480 PSI@ 100°F
CL800-1975 PSI@ 100°F
CL1500-3705 PSI@ 100°F
Lethathamo la Lisebelisoa tsa Karolo e ka Sehloohong
| NO | Lebitso la Karolo | A105/F6a | A105/F6a HFS | LF2/304 | F11/F6AHF | F304(L) | F316(L) | F51 |
| 1 | 'Mele | A105 | A105 | LF2 | F11 | F304(L) | F316(L) | F51 |
| 2 | Setulo | 410 | 410HF | 304 | 410HF | 304(L) | 316(L) | F51 |
| 3 | Lekhapetla | F6a | F6a | F304 | F6aHF | F304(L) | F306(L) | F51 |
| 4 | Kutu | 410 | 410 | 304 | 410 | 304(L) | 316(L) | F51 |
| 5 | Gasket | Graphite e Tenyetsehang ea 304+ | Graphite e Tenyetsehang ea 304+ | Graphite e Tenyetsehang ea 304+ | Graphite e Tenyetsehang ea 304+ | Graphite e Tenyetsehang ea 304+ | Graphite e feto-fetohang ea 316+ | Graphite e feto-fetohang ea 316+ |
| 6 | Bonete | A105 | A105 | LF2 | F11 | F304(L) | F316(L) | F51 |
| 7 | Bolt | B7 | b7 | L7 | B16 | B8(M) | B8(M) | B8(M) |
| 8 | Phini | 410 | 410 | 410 | 410 | 304 | 304 | 304 |
| 9 | Tšoelesa | 410 | 410 | 304 | 410 | 304 | 316 | F51 |
| 10 | Sekoahelo sa mahlo sa tšoelesa | B7 | B7 | L7 | B16 | B8M | B8M | B8M |
| 11 | Sekoahelo sa Tšoelesa | A105 | A105 | LF2 | F11 | F304 | F304 | F304 |
| 12 | Nate ea hex | 2H | 2H | 2H | 2H | 8M | 8M | 8M |
| 13 | Nate ea kutu | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| 14 | Nate e notlelang | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| 15 | Letlapa la lebitso | AL | AL | AL | AL | AL | AL | AL |
| 16 | Lebili la letsoho | A197 | A197 | A197 | A197 | A197 | A197 | A197 |
| 17 | Setlolo sa ho tlotsa | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| 18 | Ho paka | Graphite | Graphite | Graphite | Graphite | Graphite | Graphite | Graphite |
Li-fitting tsa liphaephe ke likarolo tsa bohlokoa tsamaisong ea liphaephe, tse sebelisetsoang ho hokahanya, ho fetisetsa pele, ho khelosa, ho fetola boholo, ho koala kapa ho laola phallo ea metsi. Li sebelisoa haholo masimong a kang kaho, indasteri, matla le lits'ebeletso tsa masepala.
Mesebetsi ea Bohlokoa:E ka etsa mesebetsi e kang ho hokahanya liphaephe, ho fetola tsela eo phallo e tsamaeang ka eona, ho arola le ho kopanya phallo, ho lokisa bophara ba liphaephe, ho koala liphaephe, ho laola le ho laola.
Sebaka sa Kopo:
- Phepelo ea metsi le drainage ea moaho:Li-elbow tsa PVC le li-tri tsa PPR li sebelisoa bakeng sa marang-rang a liphaephe tsa metsi.
- Liphaephe tsa indasteri:Li-flange tsa tšepe e sa ruseng le litsoe tsa tšepe e kopantsoeng li sebelisoa ho tsamaisa lik'hemik'hale.
- Tsamaiso ea matla:Li-fitting tsa tšepe tse nang le khatello e phahameng li sebelisoa liphaepheng tsa oli le khase.
- HVAC (Ho Futhumatsa, ho Fehla Moea, le ho Koetlisetsa Moea):Li-fitting tsa liphaephe tsa koporo li sebelisoa ho hokahanya liphaephe tsa sehatsetsing, 'me manonyeletso a tenyetsehang a sebelisoa bakeng sa ho fokotsa ho thothomela.
- Nosetso ea temo:Lihokelo tse potlakileng li nolofatsa ho kopanngoa le ho qhaqhoa ha litsamaiso tsa ho nosetsa tsa sprinkler.
