Penstock zagaye na ƙarfe mai zagaye
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Na baya: Bawul ɗin louver da hannu Na gaba: Bawul ɗin iskar oxygen
Penstock mai zagaye da aka yi da siminti

An yi wannan bawul ɗin da firam, ƙofa, layin jagora, tsiri mai rufewa da hatimin da za a iya daidaita shi. Yana da fasaloli kamar haka: tsari mai sauƙi, hatimin da ya dace, ingantaccen hana gogayya, sauƙin shigarwa da aiki, tsawon lokacin aiki da kuma amfani da shi sosai da sauransu.
Ana amfani da bawul ɗin sosai a cikin gudanar da harkokin birni, adana ruwa, kula da najasa da sauransu. Ana iya sarrafa shi da hannu, lantarki da kuma iska. Ƙarshen haɗin yana da nau'in bango, nau'in flange da nau'in bututun.


| A'a. | Sashe | Kayan Aiki |
| 1 | Ɗagawa | Simintin ƙarfe |
| 2 | Tallafi | Karfe Casrbon / Bakin karfe |
| 3 | Shaft | Bakin karfe |
| 4 | Tallafin Jagora | Karfe mai carbon |
| 5 | Hatimi | Tagulla |
| 6 | kofa | Baƙin ƙarfe mai ƙarfi |
| 7 | Layin jagora | Baƙin ƙarfe mai ƙarfi |
| 8 | Jiki | Baƙin ƙarfe mai ƙarfi |

| Girman | K | D1 | G | H1 | L | nd | H |
| DN200 | 307 | 200 | 385 | 200 | 64 | ||
| DN250 | 384 | 250 | 482 | 250 | 85 | ||
| DN300 | 461 | 300 | 578 | 300 | 95 | ||
| DN400 | 615 | 400 | 684 | 400 | 105 | ||
| DN500 | 676 | 500 | 840 | 500 | 116 | ||
| DN600 | 816 | 600 | 1187 | 600 | 134 | ||
| DN800 | 1026 | 800 | 1507 | 800 | 170 | ||
| DN1000 | 1269 | 1000 | 1790 | 1000 | 178 |









