| ITEM | KASHI | AL'AMARI | YAWA |
| 1 | UNION NUT | U-PVC | 1 |
| 2 | KARSHEN CONNECTOR | U-PVC | 1 |
| 3 | O-ring | EPDM · NBR·FPM | 1 |
| 4 | SPRING | KARFE KARFE | 1 |
| 5 | PISTON | U-PVC | 1 |
| 6 | GASKIYA | EPDM · NBR·FPM | 1 |
| 7 | JIKI | U-PVC | 1 |
| GIRMA | NPT | BSPT | BS | ANSI | DIN | JIS | |||
| Thd/in | d1 | d1 | d1 | d1 | D | L | H | ||
| 25mm (1") | 11.5 | 11 | 34 | 33.4 | 32 | 32 | 45.4 | 130 | 69.2 |
| 40mm (1½) | 11.5 | 11 | 48 | 48.25 | 50 | 48 | 61 | 172.2 | 89 |
| 50mm (2) | 11.5 | 11 | 60 | 60.3 | 63 | 60 | 75 | 162.5 | 96.7 |
Cikakken bayanin bawul ɗin duba:
Duba bawul ɗin bawuloli ne na atomatik, kuma aka sani da bawul ɗin duba, bawul ɗin hanya ɗaya, bawul ɗin dawowa ko keɓewa.Motsin fayafai ya kasu zuwa nau'in ɗagawa da nau'in lilo.Bawul ɗin dubawa yana kama da tsarin da bawul ɗin kashewa, amma ba shi da tushen bawul ɗin da ke motsa diski.Matsakaicin yana gudana daga ƙarshen mashigai (bangaren ƙasa) kuma yana gudana daga ƙarshen fitarwa (bangaren sama).Lokacin da matsin lamba ya fi girma fiye da jimlar nauyin diski da juriya na kwarara, ana buɗe bawul.Akasin haka, ana rufe bawul ɗin lokacin da matsakaici ya dawo baya.Bawul ɗin dubawa na lilo yana da diski wanda ke karkata kuma yana iya juyawa a kusa da axis, kuma ka'idar aiki tana kama da na bawul ɗin dubawa.Ana amfani da bawul ɗin duba sau da yawa azaman bawul ɗin ƙasa na na'urar famfo don hana komawar ruwa.Haɗin bawul ɗin dubawa da bawul ɗin tsayawa na iya taka rawar keɓewar aminci.Rashin hasara shine juriya yana da girma kuma aikin hatimi ba shi da kyau lokacin rufewa.