I-penstock yentsimbi ejikelezileyo
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Ngaphambili: Ivalvu yesandla yokuvula Okulandelayo: Ivalvu yeglobhu yeoksijini
I-penstock ejikelezileyo eyenziwe ngesanti

Le valve yenziwe ngefreyimu, isango, ireyili yesikhokelo, umcu wokutywina kunye netywina ehlengahlengiswayo. Yayineempawu ezilandelayo: isakhiwo esilula, itywina elungileyo, ilwa ngcono nokungqubana, kulula ukuyifaka nokusebenza, inkonzo esebenza ixesha elide kwaye isetyenziswa kakhulu njl.
Ivalvu isetyenziswa kakhulu kulawulo lukamasipala, ukugcinwa kwamanzi, unyango lwelindle njl. Ingasebenza ngesandla, ngombane nangomoya. Isiphelo soqhagamshelo sinohlobo lodonga, uhlobo lweflange kunye nohlobo lombhobho.


| Hayi. | Inxalenye | Izinto eziphathekayo |
| 1 | Isinyusi | Jula i-ayini |
| 2 | Inkxaso | Intsimbi yeCasrbon / Intsimbi engenasici |
| 3 | Umgodi | Yenziwe ngentsimbi eshayinayo |
| 4 | Inkxaso yesikhokelo | Intsimbi yekhabhoni |
| 5 | Isitywino | Intsimbi yobhedu |
| 6 | Isango | Isinyithi esithambileyo |
| 7 | Isitimela esikhokelayo | Isinyithi esithambileyo |
| 8 | Umzimba | Isinyithi esithambileyo |

| Ubungakanani | K | D1 | G | H1 | L | i-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 |









