ʻO ka valve nānā sila rubber seal he ʻano valve nānā i hoʻohana nui ʻia ma nā ʻoihana like ʻole e kāohi i ke kahe o nā wai. Ua lako ʻia me kahi noho rubber e hāʻawi ana i kahi sila paʻa a pale i ke kahe hope. Ua hoʻolālā ʻia ka valve e ʻae i ka wai e kahe i hoʻokahi ʻaoʻao me ka pale ʻana iā ia mai ke kahe ʻana i ka ʻaoʻao ʻē aʻe.
ʻO kekahi o nā hiʻohiʻona nui o nā kiwikā nānā swing noho rapa ʻo ko lākou maʻalahi. Loaʻa iā ia kahi diski hinged hiki ke wehe a pani ʻia e ʻae a pale paha i ke kahe ʻana o ka wai. Hoʻopaʻa ka noho rapa i kahi sila paʻa i ka wā e pani ʻia ai ka kiwikā, e pale ana i ka leakage. ʻO kēia maʻalahi e maʻalahi ai ke kau ʻana a me ka mālama ʻana, e lilo ia i koho kaulana i nā noi he nui.
ʻO kekahi hiʻohiʻona koʻikoʻi o nā kiwikā nānā hoʻololi noho laholio ʻo ia ko lākou hiki ke hana pono a hiki i nā kahe haʻahaʻa. ʻO ka neʻe oscillating o ka disc e ʻae i ke kahe mālie, ʻaʻohe keakea, e hōʻemi ana i ka hāʻule ʻana o ke kaomi a me ka hoʻēmi ʻana i ka turbulence. ʻO kēia ka mea kūpono no nā noi e koi ana i nā kahe haʻahaʻa, e like me ka plumbing home a i ʻole nā ʻōnaehana irrigation.
Eia kekahi, hāʻawi ka noho laholio o ka valve i nā waiwai sila maikaʻi loa. Hiki iā ia ke kū i nā ʻano mahana a me nā kaomi like ʻole, e hōʻoiaʻiʻo ana i kahi sila hilinaʻi a paʻa hoʻi ma lalo o nā kūlana hana koʻikoʻi. ʻO kēia ka mea e kūpono ai nā kiwikā nānā swing noho laholio no ka hoʻohana ʻana i nā ʻano ʻoihana like ʻole, me ka hana kemika, ka mālama wai, a me ka ʻaila a me ke kinoea.
I ka hōʻuluʻulu manaʻo, ʻo ka valve nānā swing i hoʻopaʻa ʻia me ka rubber he mea hana maʻalahi a hilinaʻi hoʻi i hoʻohana ʻia e kāohi i ke kahe wai ma nā ʻoihana like ʻole. ʻO kona maʻalahi, ka pono ma nā kahe haʻahaʻa, nā waiwai sila maikaʻi loa a me ke kūpaʻa ʻana i ka palaho e lilo ia i koho kaulana no nā noi he nui. Inā hoʻohana ʻia i loko o nā hale hana mālama wai, nā ʻōnaehana paipu ʻoihana a i ʻole nā hale hana kemika, hōʻoia kēia valve i ka hele mālie a kāohi ʻia o nā wai me ka pale ʻana i kekahi kahe hoʻi.