Pombi yesimbi yekabhoni yeSchedule 80 imhando yepombi inoratidzwa nemadziro ayo akakora zvichienzaniswa nemamwe marongero, akadai seSchedule 40. "Rondedzero" yepombi inoreva ukobvu hwemadziro ayo, izvo zvinokanganisa chiyero chekumanikidzwa kwayo uye simba rechimiro.
Hunhu Hukuru hwePaipi yeSimbi yeCarbon yeSchedule 80
1. Ukobvu hwemadziro: Hukobvu kupfuura Chirongwa 40, zvichipa simba guru uye kugara kwenguva refu.
2. Kuyera Kudzvanywa: Kuyera kudzvanywa kwakanyanya nekuda kwekuwedzera kweukobvu hwemadziro, zvichiita kuti ikodzere kushandiswa pakudzvanywa kwakanyanya.
3. Zvinhu: Yakagadzirwa nesimbi yekabhoni, iyo inopa simba rakanaka uye kugara kwenguva refu, pamwe nekudzivirira kubvaruka.
4. Mashandisirwo:
Mapombi emumaindasitiri: Anoshandiswa mumaindasitiri akadai semafuta negesi, makemikari, uye kugadzira magetsi.
Mapombi: Akakodzera migero yemvura ine simba guru.
Kuvaka: Kunoshandiswa mukushandiswa kwechivakwa uko kunodiwa simba rakawanda.
Magadzirirwo ePaipi yeSimbi yeCarbon yeSchedule 80
| Saizi yezita | DN | Dhayamita yekunze | Dhayamita yekunze | ukobvu hwepurogiramu 80 | |
| Ukobvu hwemadziro | Ukobvu hwemadziro | ||||
| [padiki] | [padiki] | [mm] | [padiki] | [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 |
Saizi: Inowanikwa mumhando dzakasiyana dzemapombi (NPS), kazhinji kubva pa 1/8 inch kusvika 24 inches.
Mitemo: Inoenderana nemirairo yakasiyana-siyana yakaita seASTM A53, A106, uye API 5L, iyo inotsanangura zvinodiwa pakushandisa, saizi, uye mashandiro.
Kuumbwa kweMakemikoro eParamende yeSimbi yeCarbon 80
Purogiramu 80 ichave nehukobvu hwakatarwa, zvisinei nerudzi kana chimiro chesimbi inoshandiswa.
| Giredhi A | Giredhi B | |
| C, % yepamusoro | 0.25 | 0.3 |
| Mn, % yepamusoro | 0.95 | 1.2 |
| P, % yepamusoro | 0.05 | 0.05 |
| S, % yepamusoro | 0.045 | 0.045 |
| Simba rekusimba, min [MPa] | 330 | 415 |
| Simba rekupa, min [MPa] | 205 | 240 |
Purogiramu 80 Kabhoni Simbi Pipe
Zvakanakira:
Simba Rakakura: Madziro akakora anopa kusimba kwakasimba kwechivakwa.
Kugara kwenguva refu: Kusimba kwesimbi yekabhoni uye kusashanda zvakanaka kwayo kunoita kuti mapaipi aya agare kwenguva refu.
Kuchinja-chinja: Yakakodzera kushandiswa kwakasiyana-siyana uye maindasitiri.
Zvakashata:
Kurema: Madziro akakora anoita kuti mapaipi areme uye anogona kuoma kubata nekuaisa.
Mutengo: Kazhinji inodhura kupfuura mapaipi ane madziro matete nekuda kwekushandiswa kwakawanda kwezvinhu.
Nguva yekutumira: Chivabvu-24-2024