Umbhobho wentsimbi yekhabhoni weShedyuli 80 luhlobo lombhobho oluphawulwa ludonga lwayo olujiyileyo xa luthelekiswa nezinye iishedyuli, ezifana neShedyuli 40. "Ishedyuli" yombhobho ibhekisa kubukhulu bodonga lwayo, obuchaphazela umlinganiselo woxinzelelo lwayo kunye namandla esakhiwo.
Iimpawu eziphambili zeShedyuli 80 yeMbhobho yeNtsimbi yeKhabhoni
1. Ubukhulu bodonga: Bukhulu kuneShedyuli 40, nto leyo enika amandla nokuqina okukhulu.
2. Uvavanyo loxinzelelo: Uvavanyo loxinzelelo oluphezulu ngenxa yobukhulu bodonga obuphezulu, nto leyo eyenza ukuba ifaneleke ukusetyenziswa koxinzelelo oluphezulu.
3. Izinto: Zenziwe ngentsimbi yekhabhoni, enika amandla alungileyo kunye nokuqina, kunye nokumelana nokuguguleka.
4. Izicelo:
Iipayipi zeMizi-mveliso: Zisetyenziswa kwimizi-mveliso efana neoyile negesi, ukucubungula iikhemikhali, kunye nokuvelisa umbane.
Iipayipi: Zifanelekile kwiintambo zamanzi ezinoxinzelelo oluphezulu.
Ulwakhiwo: Lusetyenziswa kwizakhiwo apho kufuneka amandla aphezulu.
Iinkcukacha zoMbhobho weNtsimbi yeKhabhoni weShedyuli 80
| Ubungakanani obuqhelekileyo | DN | Ububanzi obungaphandle | Ububanzi obungaphandle | ubukhulu beshedyuli 80 | |
| Ubukhulu bodonga | Ubukhulu bodonga | ||||
| [intshi] | [intshi] | [mm] | [intshi] | [mm] | |
| 1/2 | 15 | 0.84 | 21.3 | 0.147 | 3.73 |
| 3/4 | 20 | 1.05 | 26.7 | 0.154 | 3.91 |
| 1 | 25 | 1.315 | 33.4 | 0.179 | 4.55 |
| 1 1/4 | 32 | 1.66 | 42.2 | 0.191 | 4.85 |
| 1 1/2 | 40 | 1.9 | 48.3 | 0.200 | 5.08 |
| 2 | 50 | 2.375 | 60.3 | 0.218 | 5.54 |
| 2 1/2 | 65 | 2.875 | 73 | 0.276 | 7.01 |
| 3 | 80 | 3.5 | 88.9 | 0.300 | 7.62 |
| 3 1/2 | 90 | 4 | 101.6 | 0.318 | 8.08 |
| 4 | 100 | 4.5 | 114.3 | 0.337 | 8.56 |
| 5 | 125 | 5.563 | 141.3 | 0.375 | 9.52 |
| 6 | 150 | 6.625 | 168.3 | 0.432 | 10.97 |
| 8 | 200 | 8.625 | 219.1 | 0.500 | 12.70 |
| 10 | 250 | 10.75 | 273 | 0.594 | 15.09 |
Ubungakanani: Ifumaneka kwiindidi ezahlukeneyo zeepayipi ezibizwa ngokuba zii-nominal pipe sizes (NPS), ngokuqhelekileyo ukusuka kwi-1/8 intshi ukuya kwi-24 intshi.
Imigangatho: Ihambelana nemigangatho eyahlukeneyo efana ne-ASTM A53, A106, kunye ne-API 5L, echaza iimfuno zezinto zokwakha, ubungakanani kunye nokusebenza.
Ukwakheka kweeKhemikhali zeShedyuli 80 yePipe yeNtsimbi yeKhabhoni
IShedyuli 80 iya kuba nobukhulu obuthile obumiselweyo, kungakhathaliseki ukuba ingakanani na inqanaba okanye ukwakheka kwentsimbi esetyenzisiweyo.
| Ibanga A | Ibanga B | |
| C, ubuninzi % | 0.25 | 0.3 |
| Mn, ubuninzi % | 0.95 | 1.2 |
| P, ubuninzi % | 0.05 | 0.05 |
| S, ubuninzi % | 0.045 | 0.045 |
| Amandla okutsalwa, min [MPa] | 330 | 415 |
| Amandla okuvelisa, min [MPa] | 205 | 240 |
Ishedyuli 80 yeMbhobho yeNtsimbi yeKhabhoni
Iingenelo:
Amandla Aphezulu: Iindonga ezixineneyo zibonelela ngokuqina kwesakhiwo.
Ukuqina: Ukuqina kwentsimbi yekhabhoni kunye nokumelana nokuguguleka kwenza le mibhobho ihlale ixesha elide.
Ukuguquguquka: Ifanelekile kwiintlobo ngeentlobo zezicelo kunye namashishini.
Iingxaki:
Ubunzima: Iindonga ezityebileyo zenza imibhobho ibe nzima kwaye kunokuba nzima ukuyiphatha nokuyifaka.
Ixabiso: Ngokubanzi ibiza kakhulu kunemibhobho eneendonga ezincinci ngenxa yokusetyenziswa kakhulu kwezinto zokwakha.
Ixesha leposi: Meyi-24-2024