1. Nā hiʻohiʻona hale
Aia nā ʻokoʻa ʻokoʻa ma waena o ka ʻāpana A butterfly valve a me ka wae B butterfly valve i ke ʻano.
1.1 Māhele He ʻano "concentric" nā kiwi lele, he ʻano maʻalahi kona ʻano, ʻo ia ke kino o ka valve, ka pahu pahu, ka noho pahu, ka pahu pahu a me kahi mea hoʻouna. ʻO ka disc valve he ʻano diski a hoʻololi ʻia a puni ke kumu valve e hoʻomalu i ke kahe ʻana o ka wai.
1.2 ʻO ka ʻokoʻa, he ʻano "offset" nā kiwi lele B, ʻo ia hoʻi, ua hoʻopau ʻia ke kumu mai ka diski, ʻoi aku ka paʻakikī a hiki ke loaʻa i nā sila, kākoʻo, a i ʻole nā mea hana ʻē aʻe e hāʻawi i ka hana sila a me ka paʻa.
2. Anā pplications ma nā ʻano hana like ʻole
Ma muli o ka ʻokoʻa o ka hoʻolālā, hoʻohana ʻia ka ʻāpana A butterfly valve a me ka wae B butterfly valve i nā kūlana hana like ʻole.
2.1 Māhele A butterfly valves ua hoʻohana nuiʻia i ka haʻahaʻa haʻahaʻa, ka nui o ke anawaena pipeline pūnaewele, e like me ka hoʻoheheʻeʻana, ka makani a me nāʻoihana'ē aʻe, no konaʻano maʻalahi, ka liʻiliʻi liʻiliʻi, ke kaumaha māmā a me nā mea'ē aʻe.
2.2 Category B butterfly valve ʻoi aku ka maikaʻi no ka noi hana me nā koi hoʻokō sealing kiʻekiʻe a me ke kaomi waena nui, e like me ke kemika, ka petrol, ke kinoea maoli a me nā ʻoihana ʻē aʻe.
3. Hoʻohālikelike pono hana
3.1 Hana hoʻopaʻa ʻana: ʻoi aku ka maikaʻi o nā kiwi lele o ka māhele B ma mua o nā kiwi lele kāwai A i ka hana sila ʻana, mahalo i ko lākou ʻano paʻakikī a me ka hoʻolālā sila hou. ʻO kēia ka mea e hiki ai i ka ʻāpana B butterfly valve ke mālama i kahi hopena sila maikaʻi ma nā wahi paʻakikī e like me ke kaomi kiʻekiʻe a me ka wela kiʻekiʻe.
3.2 Kaha kahe: ʻO ke kahe kahe o ka māhele A butterfly valve he ikaika, no ka mea, he maʻalahi ka hoʻolālā ʻana o ka valve disk, liʻiliʻi ke kūpaʻa o ka hele ʻana o ka wai. Hiki i ka ʻāpana B butterfly valve ke hoʻopili i ka holo pono o ka wai i kekahi ʻano ma muli o kona ʻano paʻakikī.
3.3 Paʻa: ʻOi aku ka kiʻekiʻe o ka lōʻihi o nā ʻāpana B butterfly valves, no ka mea, ʻoi aku ka nānā ʻana o kāna hoʻolālā hoʻolālā a me ke koho ʻana i nā mea i ka paʻa lōʻihi a me ke kūpaʻa corrosion. ʻOiai he maʻalahi ke ʻano o ka ʻāpana A butterfly valve, ʻoi aku ka maʻalahi o ka luku ʻana i kekahi mau wahi paʻakikī.
4. Kūʻai mālama
Ke kūʻai ʻana i nā valve butterfly category A a me B, pono e noʻonoʻo ʻia nā mea aʻe:
4.1 Nā kūlana hana: E koho i ka ʻāpana kūpono o ka valve butterfly e like me kā lākou kaomi hana, ka mahana, ka waena a me nā kūlana ʻē aʻe o ka ʻōnaehana pipeline. No ka laʻana, pono e hāʻawi mua ʻia nā kīwaha butterfly waeʻano B ma nā wahi wela kiʻekiʻe.
4.2 Nā koi hana: Hoʻomaʻemaʻe i nā koi o ka hana, e like me ka mea e pono ai no ka wehe wikiwiki a me ka pani ʻana, ka hana pinepine a me nā mea ʻē aʻe, e koho i ke ʻano o ka ʻōnaehana butterfly valve kūpono a me ke ʻano hoʻouna.
4.3 Economy: Ma lalo o ka manaʻo o ka hoʻokō ʻana i nā koi o ka hana, e noʻonoʻo i ka hoʻokele waiwai o ka valve butterfly, me nā kumukūʻai kūʻai, nā koina mālama, a me nā mea ʻē aʻe, ʻoi aku ka haʻahaʻa o nā ʻāpana butterfly ʻano A i ke kumu kūʻai, ʻoiai nā kiwi B butterfly valves, ʻoiai ʻoi aku ka maikaʻi ma ka hana, he mea kiʻekiʻe paha ke kumu kūʻai.