Amakilasi okucindezela ama-Flanges
Ama-Flange ensimbi enziwe nge-ASME B16.5 enziwa ngezigaba eziyisikhombisa eziyinhloko zokucindezela:
150
300
400
600
900
1500
2500
Umqondo wezilinganiso ze-flange uthanda ngokucacile. I-Class 300 flange ingakwazi ukumelana nengcindezi engaphezu kwe-Class 150 flange, ngoba i-Class 300 flange yakhiwe ngensimbi eyengeziwe futhi ingamelana nengcindezi eyengeziwe. Kodwa-ke, kunezici ezimbalwa ezingathinta amandla okucindezela e-flange.
Isikhundla Sokulinganisa Ingcindezi
Isilinganiso Sokucindezela kwama-flange sizonikezwa Emakilasini.
Ikilasi, elilandelwa inombolo engena-Dimensionless, igama lokulinganisa izinga lokushisa lokucindezela kanje: Ikilasi 150 300 400 600 900 1500 2500.
Amagama ahlukene asetshenziswa ukukhombisa Ikilasi Lokucindezela. Isibonelo: 150 Lb, 150 Lbs, 150# noma Ikilasi 150, zonke izindlela ezifanayo.
Kodwa kunenkomba eyodwa kuphela elungile, futhi leyo i-Pressure Class, ngokuya nge-ASME B16.5 isilinganiso sokucindezela siyinombolo engenasici.
Isibonelo Sezinga Lokucindezela
Ama-flange angakwazi ukumelana nezingcindezi ezahlukene emazingeni okushisa ahlukene. Njengoba izinga lokushisa likhuphuka, isilinganiso sokucindezela kwe-flange siyancipha. Isibonelo, i-Class 150 flange ikalwa cishe ku-270 PSIG ezimeni ze-ambient, 180 PSIG cishe ku-400°F, 150 PSIG cishe ku-600°F, kanye no-75 PSIG cishe ku-800°F.
Ngamanye amazwi, lapho ukucindezela kwehla, izinga lokushisa liyakhuphuka futhi ngokuphambene nalokho. Izici ezengeziwe ukuthi ama-flange angakhiwa ngezinto ezahlukene, njengensimbi engagqwali, insimbi ewugqinsi ne-ductile, insimbi ye-carbon njll. Into ngayinye inezilinganiso zokucindezela ezihlukene.
Ngezansi isibonelo se-flangeI-NPS 12ngezigaba eziningana zokucindezela. Njengoba ubona, ububanzi obungaphakathi nobubanzi bobuso obuphakanyisiwe ngokufanayo; kodwa ububanzi obungaphandle, isiyingi sebhawodi kanye nobubanzi bezimbobo zamabholidi ziba zinkulu esigabeni ngasinye sokucindezela okuphezulu.
Inombolo nobukhulu (mm) bezimbobo zamabhawodi yilezi:
Ikilasi 150: 12 x 25.4
Ikilasi 300: 16 x 28.6
Ikilasi 400: 16 x 34.9
Ikilasi 600: 20 x 34.9
Ikilasi 900: 20 x 38.1
Ikilasi 1500: 16 x 54
Ikilasi 2500: 12 x 73
Izilinganiso Zezinga Lokushisa Nengcindezi – Isibonelo
Izilinganiso zezinga lokushisa lomfutho wegazi ophezulu yizingcindezi zegaji zokusebenza eziphezulu ezivumelekile kumayunithi webha emazingeni okushisa angama-degree celsius. Kumazinga okushisa aphakathi nendawo, ukuhumusha ngomugqa kuvunyelwe. Ukuhunyushwa phakathi kwezikhundla zekilasi akuvunyelwe.
Izilinganiso zezinga lokushisa lokucindezela zisebenza kumajoyinti ane-flanged avumelana nemikhawulo yokubopha amabhawudi nama-gaskets, akhiwe ngokuhambisana nomkhuba omuhle wokuqondanisa nokuhlanganisa. Ukusetshenziswa kwalezi zilinganiso kumajoyinti anamahlombe angahambisani nale mikhawulo kuwumsebenzi womsebenzisi.
Izinga lokushisa eliboniswa ngesilinganiso sokucindezela esihambisanayo izinga lokushisa legobolondo eliqukethe ukucindezela lengxenye. Ngokuvamile, lokhu kushisa kuyefana nalolo ketshezi oluqukethwe. Ukusetshenziswa kwesilinganiso sokucindezela esihambisana nezinga lokushisa ngaphandle kwalolo ketshezi oluqukethwe kuyisibopho somsebenzisi, kuncike ezimfuneko zamakhodi nemithethonqubo esebenzayo. Kunoma ikuphi izinga lokushisa elingaphansi kuka -29°C, isilinganiso ngeke sibe sikhulu kunesilinganiso esibonisiwe ku -29°C.
Njengesibonelo, ngezansi uzothola amathebula amabili anamaqembu we-ASTM, namanye amabili anezilinganiso ze-flange-pressure-temperature zalezo zinto ze-ASTM ASME B16.5.
| Iqembu le-ASTM 2-1.1 Izinto | |||
| Ngokuzisholo Ukuqokwa | Forgings | Ukusakaza | Amapuleti |
| C-Si | I-A105(1) | A216 I-Gr.WCB (1) | A515 I-Gr.70 (1) |
| C Mn Si | A350 I-Gr.LF2 (1) | A516 I-Gr.70 (1), (2) | |
| C Mn Si V | A350 I-Gr.LF6 Cl 1 (3) | A537 I-Cl.1 (4) | |
| 3½ Ni | A350 Gr.LF3 | ||
Amanothi:
| |||
| Iqembu le-ASTM 2-2.3 Izinto | |||
| Ngokuzisholo Ukuqokwa | Forgings | Abalingisi | Amapuleti |
| 16Cr 12Ni 2Mo | A182 I-Gr.F316L | A240 Gr.316L | |
| 18Cr 13Ni 3Mo | A182 I-Gr.F317L | ||
| 18Kr 8Ni | A182 I-Gr.F304L (1) | A240 I-Gr.304L (1) | |
Qaphela:
| |||
| Izilinganiso Zezinga Lokushisa Ze-ASTM Group 2-1.1 Izinto Ingcindezi yokusebenza ngamaClass, BAR | |||||||
| Temp -29 °C | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| 38 | 19.6 | 51.1 | 68.1 | 102.1 | 153.2 | 255.3 | 425.5 |
| 50 | 19.2 | 50.1 | 66.8 | 100.2 | 150.4 | 250.6 | 417.7 |
| 100 | 17.7 | 46.6 | 62.1 | 93.2 | 139.8 | 233 | 388.3 |
| 150 | 15.8 | 45.1 | 60.1 | 90.2 | 135.2 | 225.4 | 375.6 |
| 200 | 13.8 | 43.8 | 58.4 | 87.6 | 131.4 | 219 | 365 |
| 250 | 12.1 | 41.9 | 55.9 | 83.9 | 125.8 | 209.7 | 349.5 |
| 300 | 10.2 | 39.8 | 53.1 | 79.6 | 119.5 | 199.1 | 331.8 |
| 325 | 9.3 | 38.7 | 51.6 | 77.4 | 116.1 | 193.6 | 322.6 |
| 350 | 8.4 | 37.6 | 50.1 | 75.1 | 112.7 | 187.8 | 313 |
| 375 | 7.4 | 36.4 | 48.5 | 72.7 | 109.1 | 181.8 | 303.1 |
| 400 | 6.5 | 34.7 | 46.3 | 69.4 | 104.2 | 173.6 | 289.3 |
| 425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 143.8 | 239.7 |
| 450 | 4.6 | 23 | 30.7 | 46 | 69 | 115 | 191.7 |
| 475 | 3.7 | 17.4 | 23.2 | 34.9 | 52.3 | 87.2 | 145.3 |
| 500 | 2.8 | 11.8 | 15.7 | 23.5 | 35.3 | 58.8 | 97.9 |
| 538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
| Temp °C | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| Izilinganiso Zezinga Lokushisa Ze-ASTM Group 2-2.3 Izinto Ingcindezi yokusebenza ngamaClass, BAR | |||||||
| Temp -29 °C | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| 38 | 15.9 | 41.4 | 55.2 | 82.7 | 124.1 | 206.8 | 344.7 |
| 50 | 15.3 | 40 | 53.4 | 80 | 120.1 | 200.1 | 333.5 |
| 100 | 13.3 | 34.8 | 46.4 | 69.6 | 104.4 | 173.9 | 289.9 |
| 150 | 12 | 31.4 | 41.9 | 62.8 | 94.2 | 157 | 261.6 |
| 200 | 11.2 | 29.2 | 38.9 | 58.3 | 87.5 | 145.8 | 243 |
| 250 | 10.5 | 27.5 | 36.6 | 54.9 | 82.4 | 137.3 | 228.9 |
| 300 | 10 | 26.1 | 34.8 | 52.1 | 78.2 | 130.3 | 217.2 |
| 325 | 9.3 | 25.5 | 34 | 51 | 76.4 | 127.4 | 212.3 |
| 350 | 8.4 | 25.1 | 33.4 | 50.1 | 75.2 | 125.4 | 208.9 |
| 375 | 7.4 | 24.8 | 33 | 49.5 | 74.3 | 123.8 | 206.3 |
| 400 | 6.5 | 24.3 | 32.4 | 48.6 | 72.9 | 121.5 | 202.5 |
| 425 | 5.5 | 23.9 | 31.8 | 47.7 | 71.6 | 119.3 | 198.8 |
| 450 | 4.6 | 23.4 | 31.2 | 46.8 | 70.2 | 117.1 | 195.1 |
| Temp °C | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
Isikhathi sokuthumela: Jun-05-2020