I-CHV150-300
Njengoba amagama asho, le valve inesango elijikayo eliboshwe phezulu futhi livuleka njengoba uketshezi ludlula kulo. Indlela yokugeleza ebushelelezi inikezwa yivalvu yokuhlola ukujika lapho idiski yevalvu isendaweni evulekile ngokuphelele. Ngaphakathi kwevalvu, le channel ebushelelezi idala ukuxokozela okuphansi kanye nokwehla kwengcindezi. Ukuze ivalvu isebenze kahle, kumele kube nokucindezela okuncane ukuvula idiski. Lapho ukugeleza koketshezi kubuyela emuva, ingcindezi kanye nesisindo sendawo emelene nediski kusunduza idiski esihlalweni, ngaleyo ndlela kuvimbele konke ukugeleza emuva. Amavalvu okuhlola ngokuvamile abhekwa njengamadivayisi okuphepha noma okuvikela.
I-Class 150-300 Cast Steel Check Valve iyi-valve yokuhlola eyenziwe ngensimbi ehlanganisiwe. Ihlukaniswe nge-class 150 kanye ne-class 300 ngokwesigaba sokucindezela. Izici zayo zifaka phakathi isakhiwo esilula, usayizi omncane, isisindo esincane, ukusebenza kahle kokuvala, kanye nokusebenza okulula. Le valve ifanelekela izindawo ezinomfutho ophezulu kanye nokushisa okuphezulu ukuvimbela ukugeleza koketshezi okuphambene emapayipini. Ngokuvamile isetshenziswa ezinhlelweni zamapayipi emikhakheni yezimboni efana ne-petroleum, imboni yamakhemikhali, kanye namandla kagesi.
Iyivalvu esebenzisa ukusebenza okujikelezayo ukulawula ukugeleza koketshezi. Ngokuvamile iqukethe umzimba wevalvu, isembozo sevalvu, idiski yevalvu, isiqu sevalvu, kanye nedivayisi yokusebenza. Lolu hlobo lwevalvu lufinyelela ukugeleza kwesikhala sokuvula noma sokuvala ngokujikeleza idiski yevalvu, futhi lusebenza kahle ekuvaleni, okungavimbela ngempumelelo ukuvuza okuphakathi.

| CHA. | INGXENYE | Izinto ze-ASTM | ||||
| I-WCB | I-LCB | I-WC6 | CF8(M) | CF3(M) | ||
| 1 | UMZIMBA | I-A216 WCB | I-A352 LCB | A217 WC6+STL | A351 CF8(M)+STL | A351 CF3(M)+STL |
| 2 | ISIHLALO | A105+13Cr | A105+13Cr | - | - | - |
| 3 | IDISC | I-A216 WCB+13Cr | I-A352 LCB+13Cr | A217 WC6+STL | A351 CF8(M) | A351 CF3(M) |
| 4 | I-HINGE | I-A216 WCB | A182 F6 | A182 F6 | A351 CF8(M) | A351 CF3(M) |
| 5 | Iphinikhodi ye-HINGE | A276 304 | A182 F6 | A182 F6 | A182 F304(F316) | A182 F304(F316) |
| 6 | IFOKHI | I-A216 WCB | I-A352 LCB | A217 WC6 | A351 CF8(M) | A351 CF3(M) |
| 7 | IBHOLHO LESEMBOZO | A193 B7 | A320 L7 | A193 B16 | A193 B8(M) | A193 B8(M) |
| 8 | I-SEVER NUTS | A194 2H | A194 7 | A194 4 | A194 8(M) | A194 8(M) |
| 9 | I-GASKET | I-SS304+I-GRAPHITE | I-PTFE/SS304+GRAPHITE | I-PTFE/SS316+GRAPHITE | ||
| 10 | ISIMBOZO | I-A216 WCB | I-A352 LCB | A217 WC6 | A351 CF8(M) | A351 CF3(M) |
| Usayizi | in | 1/2 | 3/4 | 1 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | 26 |
| mm | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 650 | |
| I-L/L1 (RF/BW) | in | 4.25 | 4.62 | 5 | 6.5 | 8 | 8.5 | 9.5 | 11.5 | 14 | 19.5 | 24.5 | 27.5 | 31 | 34 | 38.5 | 38.5 | 51 | - |
| mm | 108 | 117 | 127 | 165 | 203 | 216 | 241 | 292 | 356 | 495 | 622 | 699 | 787 | 864 | 978 | 978 | 1295 | - | |
| L2 (RTJ) | in | - | - | - | - | 8.5 | 9 | 10 | 12 | 14.5 | 20 | 25 | 28 | 31.5 | 34.5 | 39 | 39 | 21.5 | - |
| mm | - | - | - | - | 216 | 229 | 254 | 305 | 368 | 508 | 635 | 711 | 800 | 876 | 991 | 991 | 1308 | - | |
| H (Vuliwe) | in | 3.12 | 3.38 | 3.88 | 4.38 | 6 | 6.5 | 6.88 | 8 | 11.5 | 13.88 | 15.38 | 17 | 18.75 | 20.62 | 22.88 | 24.62 | 24.75 | - |
| mm | 80 | 85 | 100 | 110 | 152 | 165 | 175 | 204 | 293 | 353 | 390 | 432 | 475 | 525 | 582 | 627 | 883 | - | |
| WT (Kg) | BW | 2.5 | 3.5 | 5 | 7.5 | 14 | 20 | 25 | 40 | 71 | 118 | 177 | 263 | 353 | 542 | 632 | 855 | 970 | - |
| I-RF/RTJ | 2 | 3 | 3.5 | 5.5 | 10 | 12 | 17 | 29 | 57 | 96 | 143 | 227 | 295 | 468 | 552 | 755 | 831 | - |
Ubukhulu kanye Nezisindo Iklasi 150
| Usayizi | in | 1/2 | 3/4 | 1 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | 26 |
| mm | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 650 | |
| I-L/L1 (RF/BW) | in | 6 | 7 | 8 | 9 | 10.5 | 11.5 | 12.5 | 14 | 17.5 | 21 | 24.5 | 28 | 33 | 34 | 38.5 | 40 | 53 | - |
| mm | 152 | 178 | 203 | 229 | 267 | 292 | 318 | 356 | 445 | 533 | 622 | 711 | 838 | 864 | 978 | 1016 | 1346 | - | |
| L2 (RTJ) | in | - | - | - | - | 11.12 | 12.12 | 13.12 | 14.62 | 18.12 | 21.62 | 25.12 | 28.62 | 33.62 | 34.62 | 39.12 | 40.75 | 53.88 | - |
| mm | - | - | - | - | 283 | 308 | 333 | 371 | 460 | 549 | 638 | 727 | 854 | 879 | 994 | 1035 | 1368 | - | |
| H (Vuliwe) | in | 3.12 | 3.38 | 3.88 | 4.38 | 6 | 6.5 | 6.88 | 8 | 11.5 | 13.88 | 15.38 | 17 | 18.75 | 20.62 | 22.88 | 24.62 | 34.75 | - |
| mm | 80 | 85 | 100 | 110 | 152 | 165 | 175 | 204 | 293 | 353 | 390 | 432 | 475 | 525 | 582 | 627 | 883 | - | |
| WT (Kg) | BW | 3 | 4 | 6 | 10 | 16 | 23 | 29 | 46 | 82 | 136 | 204 | 302 | 405 | 625 | 730 | 985 | 1115 | - |
| I-RF/RTJ | 2.5 | 3.5 | 5 | 7 | 11 | 13 | 18 | 31 | 61 | 103 | 155 | 245 | 315 | 503 | 593 | 812 | 895 | - |