No ka laʻana, inā makemake ʻoe e wehe i kahi DN100, PN10 butterfly valve, ʻo ka waiwai torque he 35NM, a ʻo ka lōʻihi o ka lima he 20cm (0.2m), a laila ʻo ka ikaika i koi ʻia he 170N, ʻo ia hoʻi he 17kg.
ʻO ke kīwila pepeke he kīwila hiki ke wehe a pani ʻia ma ka hoʻohuli ʻana i ka pā kīwila 1/4 huli, a ʻo ka helu o nā huli o ka lima he 1/4 huli hoʻi. A laila ua hoʻoholo ʻia ka manawa e pono ai e wehe a pani paha e ka torque. ʻO ka nui o ka torque, ʻo ka lohi o ka wehe ʻana a me ka pani ʻana o ka kīwila. ʻo ka ʻaoʻao ʻē aʻe.
2. Ka kiwikā pepeke i hoʻāla ʻia e ka ilo:
i hoʻolako ʻia ma nā kiwikā pepeke me DN≥50. ʻO kahi manaʻo e pili ana i ka helu o nā huli a me ka wikiwiki o ka kiwikā pepeke ilo i kapa ʻia ʻo "speed ratio".
ʻO ka lakio wikiwiki e pili ana i ka lakio ma waena o ka wili ʻana o ke koʻokoʻo hoʻopuka actuator (huila lima) a me ka wili ʻana o ka papa valve butterfly. No ka laʻana, ʻo ka lakio wikiwiki o ka valve butterfly turbine DN100 he 24:1, ʻo ia hoʻi, ʻo ka huila lima ma ka pahu turbine e wili ana i 24 mau manawa a ʻo ka papa butterfly e wili ana i 1 pōʻai (360°). Eia naʻe, ʻo ke kihi wehe nui loa o ka papa butterfly he 90°, ʻo ia hoʻi he 1/4 pōʻai. No laila, pono e hoʻohuli ʻia ka huila lima ma ka pahu turbine i 6 mau manawa. I nā huaʻōlelo ʻē aʻe, ʻo 24:1 ke ʻano he pono wale ʻoe e hoʻohuli i ka huila lima o ka valve butterfly turbine i 6 mau huli e hoʻopau i ka wehe ʻana a i ʻole ka pani ʻana o ka valve butterfly.
| DN | 50-150 | 200-250 | 300-350 | 400-450 |
| E hōʻemi i ka uku | 24:1 | 30:1 | 50:1 | 80:1 |
ʻO "The bravest" ke kiʻiʻoniʻoni kaulana loa a hoʻopā hoʻi i ka makahiki 2023. Aia kekahi kikoʻī i komo nā mea kinai ahi i waenakonu o ke ahi a huli lima i 8,000 mau huli e pani i ka valve. ʻO ka poʻe i ʻike ʻole i nā kikoʻī e ʻōlelo paha "ua hoʻonui loa ʻia kēia." ʻO ka ʻoiaʻiʻo, ua hoʻoulu ka mea kinai ahi i ka moʻolelo "The bravest" i loko o ka moʻolelo "ua huli i ka valve i 80,000 mau huli, 6 mau hola ma mua o ka pani ʻana.
Mai hoʻopūʻiwa ʻia e kēlā helu, ma ke kiʻiʻoniʻoni he kiwikā puka ia, akā i kēia lā ke kamaʻilio nei mākou e pili ana i kahi kiwikā pulelehua. ʻAʻole pono ka nui o nā hoʻohuli e pono ai e pani i kahi kiwikā pulelehua o ka DN like.
I ka pōkole, ʻo ka helu o nā huli wehe a me ka pani ʻana a me ka manawa hana o ka valve butterfly e hilinaʻi ʻia i nā kumu he nui, e like me ke ʻano o ka actuator, ka helu kahe waena a me ke kaomi, a me nā mea ʻē aʻe, a pono e koho ʻia a hoʻoponopono ʻia e like me ke kūlana maoli.
Ma mua o ke kūkākūkā ʻana i ka helu o nā huli e pono ai e pani i ka valve butterfly, e hoʻomaopopo mua kākou i ka mea hana e pono ai e wehe i ka valve butterfly: ka actuator. He ʻokoʻa ka helu o nā huli o nā actuator like ʻole e hoʻohana ʻia e pani i ka valve butterfly, a ʻokoʻa nō hoʻi ka manawa e pono ai.
ʻO ke ʻano helu o ka wehe ʻana a me ka pani ʻana o ka valve pepeke ʻO ka manawa wehe a me ka pani ʻana o ka valve pepeke e pili ana i ka manawa e pono ai no ka valve pepeke e hoʻopau mai ka wehe piha ʻana a hiki i ka pani piha ʻana a i ʻole mai ka pani piha ʻana a hiki i ka wehe piha ʻana. Pili ka manawa wehe a me ka pani ʻana o ka valve pepeke i ka wikiwiki o ka hana o ka actuator, ke kaomi wai a me nā mea ʻē aʻe.
t=(90/ω)*60,
I waena o lākou, ʻo t ka manawa wehe a me ka pani ʻana, ʻo 90 ke kihi wili o ka valve butterfly, a ʻo ω ka wikiwiki angular o ka valve butterfly.
1. Ka kiwikā pepeke i hoʻokele ʻia e ka lima:
Ma keʻano laulā, ua hoʻolako ʻia ma nā kiwikā pepeke me DN ≤ 200 (hiki i ka nui loa ke DN 300). I kēia manawa, pono mākou e haʻi i kahi manaʻo i kapa ʻia ʻo "torque".
ʻO ka Torque e pili ana i ka nui o ka ikaika e pono ai e wehe a pani paha i kahi valve. Hoʻopilikia ʻia kēia torque e nā kumu like ʻole, me ka nui o ka valve butterfly, ke kaomi a me nā ʻano o ka media, a me ka friction i loko o ka hui valve. Hōʻike pinepine ʻia nā waiwai Torque ma nā mika Newton (Nm).
| Hoʻohālike | Kaomi no ka Butterfly Valve | ||
| DN | PN6 | PN10 | PN16 |
| ʻO ka ikehu, Nm | |||
| 50 | 8 | 9 | 11 |
| 65 | 13 | 15 | 18 |
| 80 | 20 | 23 | 27 |
| 100 | 32 | 35 | 45 |
| 125 | 51 | 60 | 70 |
| 150 | 82 | 100 | 110 |
| 200 | 140 | 168 | 220 |
| 250 | 230 | 280 | 380 |
| 300 | 320 | 360 | 500 |
3. Ka kiwikā pulelehua i hoʻāla ʻia e ka uila:
Ua lako me DN50-DN3000. ʻO ke ʻano kūpono no nā kiwikā pulelehua he mea uila hapaha-huli (kihi wili 360 degere). ʻO ke ʻano koʻikoʻi ka torque, a ʻo ke anakahi he Nm
Hiki ke hoʻololi ʻia ka manawa pani o ka valve pulelehua uila, ma muli o ka mana, ka ukana, ka wikiwiki, a me nā mea ʻē aʻe o ka actuator, a ʻaʻole iʻoi aku ma mua o 30 kekona.
No laila, ehia mau huli e pono ai e pani i kahi valve butterfly? ʻO ka manawa wehe a me ka pani ʻana o ka valve butterfly e pili ana i ka wikiwiki o ka motika. ʻO ka wikiwiki o ka hoʻopuka ʻana o kakiwikā ZFAno nā lako uila maʻamau he 12/18/24/30/36/42/48/60 (R/min).
No ka laʻana, inā he poʻo uila me ka wikiwiki o ka wili ʻana o 18, a me ka manawa pani ʻana o 20 kekona, a laila ʻo ka helu o nā huli āna e pani ai he 6.
| ʻANO | KŪIKAWĀ | Hoʻopuka Torque N. m | Ka wikiwiki o ka hoʻohuli ʻana r/min | Ka Manawa Hana | ʻO ke anawaena kiʻekiʻe loa o ke kumu | Huila lima huli | |
| ZFA-QT1 | QT06 | 60 | 0.86 | 17.5 | 22 | 8.5 | |
| QT09 | 90 | ||||||
| ZFA-QT2 | QT15 | 150 | 0.73/1.5 | 20/10 | 22 | 10.5 | |
| QT20 | 200 | 32 | |||||
| ZFA-QT3 | QT30 | 300 | 0.57/1.2 | 26/13 | 32 | 12.8 | |
| QT40 | 400 | ||||||
| QT50 | 500 | ||||||
| QT60 | 600 | 14.5 | |||||
| ZFA-QT4 | QT80 | 800 | 0.57/1.2 | 26/13 | 32 | ||
| QT100 | 1000 |
Hoʻomanaʻo mahana: Pono ke kuapo uila o ka valve i ka torque e hana ma luna. Inā liʻiliʻi ka torque, ʻaʻole paha e hiki ke wehe a pani paha, no laila ʻoi aku ka maikaʻi o ke koho ʻana i kahi mea nui ma mua o kahi mea liʻiliʻi.