Butterfly valves dangi ne na bawul ɗin motsi na juyi kwata da ake amfani da su a cikin bututun, akwai nau'ikan bawul ɗin malam buɗe ido da yawa.Yawancin lokaci, nau'ikan bawul ɗin malam buɗe ido ana rarraba su ta hanyar haɗin gwiwa, kayan aiki,tsari tsari, masana'antu tsari, da sauransu.ZFA ɗaya ne daga cikin shahararrun masana'antun bawul ɗin malam buɗe ido, masana'antun flange bawul, da masu kera bawul ɗin malam buɗe ido a China.
Nau'in bawul ɗin malam buɗe ido ta Connection, iri huɗu ne.
4.U-section malam buɗe ido bawul
5. Weld malam buɗe ido bawul
Nau'in bawul ɗin malam buɗe ido ta kayan jikin bawul sun ƙasa da iri biyar.
1. Ductile baƙin ƙarfe malam buɗe ido bawul
2. Carbon karfe malam buɗe ido bawul
3. Bakin karfe malam buɗe ido
4. Abincin dare bakin karfe malam buɗe ido bawul
Nau'in bawul ɗin malam buɗe ido ta hanyar masana'anta don jikin bawul suna ƙasa da nau'ikan uku
1. Bawul ɗin malam buɗe ido
2. Welding malam buɗe ido bawul
3. Ƙirƙirar bawul ɗin malam buɗe ido
Yin wasan kwaikwayo
Walda
Ƙirƙira
Nau'i ta hanyar tsari, suna ƙasa da nau'i biyu.
1.Bawul ɗin Butterfly na Centerline
a.Abũbuwan amfãni: Tsarin sauƙi da sauƙi don samarwa, tattalin arziki;
b.Rashin hasara: Farantin malam buɗe ido da wurin zama na bawul koyaushe suna cikin yanayin extrusion da gogewa, tsayin juriya yana da girma kuma lalacewa yana da sauri.
c.Aikace-aikace: Ana amfani da shi sosai a fannoni da yawa kamar man fetur, sinadarai, ƙarfe, da wutar lantarki.
2.Valve na Eccentric Butterfly
a.Abũbuwan amfãni: Tsaya high zafin jiki da kuma matsa lamba, Ƙaddamar da rayuwar bawul wurin zama
b.Hasara: Tsada kuma mafi rikitarwa don ƙira
c.Aikace-aikace: Ana amfani da shi sosai a cikin tsarin bututun ruwa na samar da ruwa da magudanar ruwa, najasa, gini, man fetur, sinadarai, yadi mai haske, yin takarda, wutar lantarki, ƙarfe, makamashi, da sauran ayyukan.
Bari mu bincika ƙa'idodi masu dacewa da tarihin ci gaba na bawul ɗin malam buɗe ido na Centerline da bawul ɗin malam buɗe ido daki-daki.
Bawul ɗin Butterfly na tsakiya yana nuna tsakiyar tsakiyar axis, tsakiyar farantin malam buɗe ido, da tsakiyar jiki a matsayi ɗaya, a matsayin bawul ɗin tsakiya na al'ada.Bawul ɗin malam buɗe ido, yawanci daga girman DN50 zuwa DN2200, Hatimin bawul ɗin layin malam buɗe ido yana da taushi, don haka bawul mai ƙarancin zafi da ƙarancin matsa lamba.Bawul ɗin malam buɗe ido na ductile na ɗaya daga cikin bawul ɗin malam buɗe ido
Matsa lamba: DN1200, Max matsa lamba PN6;
Zazzabi: Dangane da kayan rufewa, Misali, NBR, Max zazzabi: 100 ℃, EPDM, Max zazzabi: 150 ℃;FRM, Matsakaicin zafin jiki: 200 ℃;SBR, Matsakaicin zafin jiki: 100 ℃;CR, Matsakaicin zafin jiki: 100 ℃;NR, Matsakaicin zafin jiki: 70 ℃;HR, Matsakaicin zafin jiki: 100 ℃;UR, Matsakaicin zafin jiki:40 ℃.
Don bawul ɗin malam buɗe ido, iri uku ne
a.Single Eccentric Butterfly Valve
b.Bawul ɗin eccentric malam buɗe ido biyu
Tarihin nau'in bawul ɗin bawul ɗin eccentric
Bawul ɗin malam buɗe ido ɗaya wani nau'in bawul ɗin malam buɗe ido ne da aka samar don magance matsalar matse farantin malam buɗe ido da kujerar bawul a cikin bawul ɗin malam buɗe ido na tsakiyar layi.Axis axis yana karkata daga tsakiyar bawul ɗin malam buɗe ido ta yadda ƙananan ƙarshen bawul ɗin malam buɗe ido ya daina zama axis na juyawa, wanda ke watsewa kuma yana rage matsi na tsaka-tsaki na sama da ƙananan ƙarshen farantin malam buɗe ido da wurin zama.
Bawul ɗin malam buɗe ido biyu yana ɗaya daga cikin nau'ikan bawul ɗin malam buɗe ido, madaidaicin axis yana kashe duka tsakiyar farantin malam buɗe ido da tsakiyar jiki.Tasirin eccentricity sau biyu yana ba da damar farantin malam buɗe ido da sauri daga wurin zama bayan an buɗe bawul, wanda ke taimakawa wajen kawar da wuce kima da gogewa tsakanin farantin malam buɗe ido da wurin zama kuma yana inganta rayuwar wurin zama.Mahimmancin raguwa na scraping yana ba da damar yin amfani da kujerun ƙarfe don bawul ɗin malam buɗe ido biyu, waɗanda za a iya amfani da su a aikace-aikacen zafin jiki.
The sau uku eccentric malam buɗe ido bawul wani nau'i ne na malam buɗe ido, domin kara axis matsayi sabawa a lokaci guda, yin conical axis na malam buɗe ido farantin sealing surface karkata daga jiki ta cylindrical axis, da sealing surface na malam buɗe ido farantin ne elliptical. Siffar murfin rufewa saboda haka asymmetrical ne, gefe ɗaya yana karkata zuwa tsakiyar tsakiyar jiki, ɗayan gefen yana daidai da layin tsakiya.Uku eccentric malam buɗe ido bawuloli fundamentally canza sealing surface, ba matsayi sealing, amma torsion sealing, dogara a kan lamba surface na bawul kujera don cimma sealing sakamako, warware matsalar sifili yayyo na karfe bawul wurin zama.Tun da matsa lamba surface lamba da matsakaici matsa lamba ne na gwargwado, shi ma yana warware matsalar high matsa lamba da kuma high zafin jiki, da kuma malam buɗe ido bawul ne mafi yadu amfani.