Kiwikā puka ʻaoʻao kila kila huinaha
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Ma mua: kiwikā ʻāpana poepoe hao hoʻolei Aʻe: ka valve damper ea pneumatic no ke kinoea flue

Hoʻokomo ʻia ma ka hopena o ka paipu hoʻokahe wai, ʻo ka hana a ka flap valve e pale aku i ka hoʻopiha hou ʻana o ka wai o waho. ʻO ka flap valve he ʻehā ʻāpana nui: ka noho, ka papa valve, ke apo sila wai a me ka hinge. Ua māhele ʻia nā kinona i nā pōʻai a me nā huinahā.
. Nā hana hoʻokahe wai: Hoʻokahe wai mai nā lua wai o ke kapuahi mua, ʻaʻohe mea hoʻokahe wai hou aʻe

| Nā mea o nā ʻāpana nui | |
| Kino | kila kalapona |
| Papa | kila kalapona |
| Hinge | kila kohu ʻole |
| ʻŌpū | kila kalapona |
| ʻŪmiʻi Pivot | Ke kila kalapona |












