CHV150-300
Kamar yadda sunayen suka nuna, wannan bawul ɗin yana da ƙofar juyawa wadda aka ɗaure a sama kuma tana buɗewa yayin da ruwa ke ratsa ta. Ana samar da hanyar kwarara mai santsi ta hanyar bawul ɗin duba juyawa lokacin da faifan bawul ɗin yake a buɗe gaba ɗaya. A cikin bawul ɗin, wannan tashar mai santsi tana haifar da ƙarancin girgiza da raguwar matsin lamba. Domin bawul ɗin ya yi aiki daidai, dole ne koyaushe a sami ƙaramin matsin lamba don buɗe faifan. Lokacin da kwararar ruwa ta koma baya, matsin lamba da nauyin matsakaici akan faifan yana tura faifan zuwa wurin zama, don haka hana duk sake kwarara. Ana ɗaukar bawul ɗin duba a matsayin na'urorin aminci ko kariya.
Bawul ɗin Duba Karfe na Aji 150-300 bawul ne na duba da aka yi da ƙarfen siminti. An raba shi zuwa aji 150 da aji 300 bisa ga ajin matsi. Siffofinsa sun haɗa da tsari mai sauƙi, ƙaramin girma, nauyi mai sauƙi, kyakkyawan aikin rufewa, da sauƙin aiki. Wannan bawul ɗin ya dace da yanayin matsin lamba mai yawa da zafin jiki mai yawa don hana kwararar ruwa a cikin bututun mai. Yawanci ana amfani da shi a tsarin bututun mai a fannonin masana'antu kamar man fetur, masana'antar sinadarai, da wutar lantarki.
Bawul ne da ke amfani da aikin juyawa don sarrafa kwararar ruwa. Yawanci yana ƙunshe da jikin bawul, murfin bawul, faifan bawul, tushen bawul, da na'urar aiki. Wannan nau'in bawul yana cimma kwararar matsakaici don buɗewa ko rufewa ta hanyar juya faifan bawul, kuma yana da kyakkyawan aikin rufewa, wanda zai iya hana kwararar matsakaici yadda ya kamata.

| A'A. | SASHE | Kayan ASTM | ||||
| WCB | LCB | WC6 | CF8(M) | CF3(M) | ||
| 1 | JIKI | A216 WCB | A352 LCB | A217 WC6+STL | A351 CF8(M)+STL | A351 CF3(M)+STL |
| 2 | KUJERA | A105+13Cr | A105+13Cr | - | - | - |
| 3 | DISK | A216 WCB+13Cr | A352 LCB+13Cr | A217 WC6+STL | A351 CF8(M) | A351 CF3(M) |
| 4 | HINGE | A216 WCB | A182 F6 | A182 F6 | A351 CF8(M) | A351 CF3(M) |
| 5 | PIN na hinge | A276 304 | A182 F6 | A182 F6 | A182 F304(F316) | A182 F304(F316) |
| 6 | JOKI | A216 WCB | A352 LCB | A217 WC6 | A351 CF8(M) | A351 CF3(M) |
| 7 | BULLAR RUFEWA | A193 B7 | A320 L7 | A193 B16 | A193 B8(M) | A193 B8(M) |
| 8 | KWAYA TA MURFI | A194 2H | A194 7 | A194 4 | A194 8(M) | A194 8(M) |
| 9 | GASKET | SS304+GRAPHITE | PTFE/SS304+GRAPHITE | PTFE/SS316+GRAPHITE | ||
| 10 | RUFEWA | A216 WCB | A352 LCB | A217 WC6 | A351 CF8(M) | A351 CF3(M) |
| Girman | in | 1/2 | 3/4 | 1 | 11/2 | 2 | 21/2 | 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 | |
| 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 (A buɗe) | 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 | - |
| RF/RTJ | 2 | 3 | 3.5 | 5.5 | 10 | 12 | 17 | 29 | 57 | 96 | 143 | 227 | 295 | 468 | 552 | 755 | 831 | - |
Girma da Nauyi Aji 150
| Girman | in | 1/2 | 3/4 | 1 | 11/2 | 2 | 21/2 | 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 | |
| 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 (A buɗe) | 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 | - |
| RF/RTJ | 2.5 | 3.5 | 5 | 7 | 11 | 13 | 18 | 31 | 61 | 103 | 155 | 245 | 315 | 503 | 593 | 812 | 895 | - |