Misali, idan kana son bude DN100, PN10 butterfly valve, karfin juzu'i shine 35NM, tsayin hannun kuma shine 20cm (0.2m), to karfin da ake bukata shine 170N, wanda yayi daidai da 17kg.
Bawul ɗin malam buɗe ido shine bawul ɗin da za'a iya buɗewa da rufewa ta hanyar jujjuya farantin 1/4, kuma adadin jujjuya abin hannun shima shine 1/4.Sannan lokacin da ake buƙata don buɗewa ko rufe yana ƙayyade ta hanyar juzu'i.Mafi girman juzu'in, da sannu a hankali bawul ɗin yana buɗewa da rufewa.akasin haka.
2. Tsutsa gear actuated malam buɗe ido bawul:
sanye take da bawuloli na malam buɗe ido tare da DN≥50.Manufar da ke shafar adadin juyawa da saurin tsutsotsin gear malam buɗe ido ana kiranta "rabin saurin gudu".
Matsakaicin saurin yana nufin rabo tsakanin jujjuyawar shaft ɗin fitarwa (wheel ɗin hannu) da jujjuyawar farantin bawul ɗin malam buɗe ido.Misali, saurin rabon bawul ɗin malam buɗe ido na DN100 shine 24: 1, wanda ke nufin cewa madannin hannu akan akwatin turbine yana juyawa sau 24 kuma farantin malam buɗe ido yana juyawa 1 da'irar (360°).Koyaya, matsakaicin kusurwar buɗewar farantin malam buɗe ido shine 90°, wanda shine da'irar 1/4.Don haka, ana buƙatar jujjuyawar hannu akan akwatin injin turbin sau 6.A wasu kalmomi, 24: 1 yana nufin cewa kawai kuna buƙatar kunna hannu na bawul ɗin malam buɗe ido 6 ya juya don kammala buɗewa ko rufe bawul ɗin malam buɗe ido.
| DN | 50-150 | 200-250 | 300-350 | 400-450 |
| Rage Rage | 24:1 | 30:1 | 50:1 | 80:1 |
"Mafi ƙarfin zuciya" shine fim ɗin da ya fi shahara kuma mai taɓawa a cikin 2023. Akwai cikakken bayani cewa ma'aikatan kashe gobara sun shiga tsakiyar wutar kuma da hannu sun juya 8,000 don rufe bawul.Mutanen da ba su san cikakken bayani ba na iya cewa "wannan an yi karin gishiri."A gaskiya ma, mai kashe gobara ya yi wahayi zuwa labarin "Mafi ƙarfin hali" a cikin labarin "ya juya bawul ɗin 80,000, sa'o'i 6 kafin rufe shi.
Kada ku gigice da wannan lambar, a cikin fim ɗin, gate bawul ne, amma a yau muna magana ne akan bawul ɗin malam buɗe ido.Adadin juyin juya halin da ake buƙata don rufe bawul ɗin malam buɗe ido na DN ɗaya tabbas baya buƙatar zama da yawa.
A takaice, adadin buɗewa da rufewa da lokacin aiki na bawul ɗin malam buɗe ido ya dogara da dalilai da yawa, irin su nau'in mai kunnawa, matsakaicin matsakaicin kwarara da matsa lamba, da dai sauransu, kuma yana buƙatar zaɓi da daidaitawa gwargwadon halin da ake ciki. .
Kafin mu tattauna adadin juyo da ake buƙata don rufe bawul ɗin malam buɗe ido, bari mu fara fahimtar kayan aikin da ake buƙata don buɗe bawul ɗin malam buɗe ido: mai kunnawa.Masu kunnawa daban-daban suna da lambobi daban-daban na juyawa da ake amfani da su don rufe bawul ɗin malam buɗe ido, kuma lokacin da ake buƙata shima ya bambanta.
Buɗe bawul ɗin bawul ɗin buɗewa da tsarin lissafin lokacin rufewa Lokacin buɗewa da rufewa na bawul ɗin malam buɗe ido yana nufin lokacin da ake ɗauka bawul ɗin malam buɗe ido don kammalawa daga buɗewa gabaɗaya zuwa cikakken rufewa ko kuma daga cikakken rufewa zuwa cikakke buɗewa.Lokacin buɗewa da rufewa na bawul ɗin malam buɗe ido yana da alaƙa da saurin aiki na mai kunnawa, matsa lamba na ruwa da sauran dalilai.
t= (90/ω)*60,
Daga cikin su, t shine lokacin buɗewa da rufewa, 90 shine kusurwar juyawa na bawul ɗin malam buɗe ido, kuma ω shine saurin angular na bawul ɗin malam buɗe ido.
1. Hannun bawul ɗin malam buɗe ido:
Gabaɗaya sanye take akan bawul ɗin malam buɗe ido tare da DN ≤ 200 (matsakaicin girman zai iya zama DN 300).A wannan lokaci, dole ne mu ambaci wani ra'ayi da ake kira "torque".
Torque yana nufin adadin ƙarfin da ake buƙata don buɗewa ko rufe bawul.Wannan karfin juyi yana shafar abubuwa daban-daban, ciki har da girman bawul ɗin malam buɗe ido, matsa lamba da halaye na kafofin watsa labarai, da gogayya a cikin taron bawul.Yawanci ana bayyana ƙimar ƙarfin ƙarfi a cikin mita Newton (Nm).
| Samfura | Matsin lamba ga Butterfly Valve | ||
| DN | PN6 | PN10 | PN16 |
| Torque, 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. Electric actuated malam buɗe ido:
An sanye shi da DN50-DN3000.Nau'in da ya dace da bawul ɗin malam buɗe ido shine na'urar lantarki ta jujjuyawar kwata (ƙara mai juyawa 360 digiri).Muhimmin siga shine juzu'i, kuma naúrar ita ce Nm
Lokacin rufe bawul ɗin malam buɗe ido na lantarki yana daidaitawa, ya danganta da ƙarfi, nauyi, gudu, da sauransu na mai kunnawa, kuma gabaɗaya bai wuce daƙiƙa 30 ba.
To juyi nawa ake ɗauka don rufe bawul ɗin malam buɗe ido?Lokacin buɗewa da rufewa na bawul ɗin malam buɗe ido ya dogara da saurin motar.Saurin fitarwa naFarashin ZFAdon kayan aikin lantarki na yau da kullun shine 12/18/24/30/36/42/48/60 (R/min).
Misali, idan shugaban wutar lantarki mai saurin jujjuyawa na 18, da lokacin rufewa na daƙiƙa 20, to adadin jujjuyawar da yake rufe shine 6.
| TYPE | SPEC | Fitar Torque N. m | Fitar Juyawa Gudun r/min | Lokacin Aiki | Max Diamter na Stem | Dabarun hannu juya | |
| 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 |
Tunatarwa mai dumi: Canjin wutar lantarki na bawul yana buƙatar juzu'i don yin aiki a kai.Idan karfin yana da ƙananan, bazai iya buɗewa ko rufewa ba, don haka yana da kyau a zabi babba fiye da ƙarami.