Butterfly valve

I-valve uvemvane ingeyesigaba se-valve yekota. Ama-valve ekota ahlanganisa izinhlobo zamavalvu ezingavulwa noma zivalwe ngokuphendula isiqu sibe yikota. Kuizivalo uvemvane, kukhona i-disc exhunywe esiqwini. Lapho induku ijikeleza, izungeza i-disc ngekota, okwenza i-disc iwele nge-perpendicular ku-fluid futhi iyeke ukugeleza. Ukuze ubuyisele ukugeleza, isiqu sizungeza idiski ibuyele endaweni yayo yasekuqaleni, kude nokugeleza.

Amavalve ovemvane athandwa kakhulu ngoba kulula ukuwafaka, awabizi, futhi atholakala cishe kuwo wonke amasayizi. Lezi ngokuvamile zisetshenziselwa izinsizakalo zokulawula nezinjongo zokushintsha.

Isicelo se-valve ye-Butterfly

Ama-valve ovemvane abalulekile ezinqubweni nasekusebenzeni ezimbonini eziningi ezahlukene. Lokhu kungenxa yobukhulu bazo kanye nekhono lokulawula ukugeleza koketshezi, igesi nodaka. Ama-valve e-butterfly awakwazi ukumisa kuphela noma ukuqala ukugeleza, kodwa futhi anciphise noma anciphise ukugeleza njengoba kudingekile lapho evuleka kancane.

Amakhasimende avela ezimbonini eziningi athenga ama-butterfly valves, kuhlanganise nalawo asemkhakheni wokucubungula ukudla (uketshezi), izitshalo zamanzi, ukuchelela, ukukhiqizwa kwamapayipi, ukukhiqizwa kwezimboni, amasistimu okushisa kanye nokuthuthwa kwamakhemikhali.

Nakuba ama-butterfly valve anezinhlelo eziningi ezihlukene ezingenzeka, ezinye izinhlelo zokusebenza eziqondile zihlanganisa i-vacuum, ukubuyisela uwoyela, isevisi yomoya ocindezelweyo, ukupholisa umoya namanzi, i-HVAC, isevisi yodaka, isevisi yamanzi anomfutho ophezulu, isevisi yamanzi asezingeni eliphezulu, isevisi ye-steam nokuvikelwa komlilo.

Ngenxa yokuhlukahluka komklamo nezinto zokwakha, ama-valve evemvane anezinhlobonhlobo zezicelo. Lezi zingafakwa kunoma yiliphi ipayipi, kusukela emanzini ahlanzekile kuya kuketshezi lokugaya noma udaka. Lokhu kuvame ukusetshenziswa ekufakweni kodaka noma udaka, izinsiza zevacuum, izinsiza zesitimu, amanzi okupholisa, umoya, noma igesi.

Izinzuzo kanye nokubi valve butterfly

Ama-valve e-Butterflyhlinzeka abasebenzisi ngezinzuzo eziningi. Okokuqala, banomklamo ohlangene. Ngenxa yalo mklamo ohlangene, adinga indawo yokusebenza encane kunamanye ama-valve amaningi. Okwesibili, izindleko zokugcinwa kwe-valve uvemvane ziphansi kakhulu. Okwesibili, zinikeza isiminyaminya sekhwalithi ephezulu. Futhi, azivuzi, kodwa zingavulwa kalula lapho kudingeka. Enye inzuzo ye-butterfly valve yinani layo eliphansi.

Izinzuzo butterfly valve

1. Ngenxa yobukhulu babo obuncane kanye nomklamo ohlangene, izindleko zokufaka ziphansi kakhulu.

2. Lawa mavalvu athatha isikhala esincane kakhulu uma kuqhathaniswa namanye.

3. Ukwenza kusebenze okuzenzakalelayo kuyenza isheshe futhi isebenze kahle kunamanye amavalvu.

4. Ngenxa yokwakheka kwama-multi disc kanye nezingxenye ezimbalwa ezihambayo, kudinga ukulungiswa okuncane, ngaleyo ndlela kunciphisa kakhulu isimo sezulu.

5. Izinto ezihlukene zokuhlala zenza kube lula ukuzisebenzisa kuzo zonke izinhlobo zezindawo, ngisho nezindawo ezilimazayo.

6. Amavalvu ovemvane adinga impahla encane, kulula ukuklama nokwenziwa, futhi ngokuvamile abiza kakhulu kunezinye izinhlobo zamavalvu.

7. Ama-valve e-Butterfly angasetshenziswa ezinhlelweni ezihlukahlukene, kuhlanganise nokufakwa ngaphansi komhlaba.

Ukungalungi kwe-butterfly valve

Ngempela, imibi yama-butterfly valves idlula izinzuzo. Kodwa ngaphambi kokusebenzisa la ma-valve, kusenezinto ezithile okufanele uzikhumbule.

1. Ngisho nalapho ivuliwe ngokugcwele, indawo encane yediski izovimbela ukugeleza kwezinto ezibonakalayo. Lokhu kungase kuthinte ukunyakaza kwesikhundla se-disc kanye nomshini wokucindezela embhobhweni.

2. Umsebenzi wokuvala awumuhle njengamanye ama-valve.

3. I-throttling isebenza kuphela kusevisi yengcindezi ehlukile ephansi.

4. I-valve ye-butterfly ihlale inengozi yokuvimbela ukugeleza noma i-cavitation.

Isakhiwo se-butterfly valve

Ama-valve ovemvane anezici ezimbalwa eziyinhloko. Lokhu kufaka phakathi umzimba, i-disc, isiqu, nesihlalo. Futhi bane-actuator, njenge-lever. Umsebenzisi angazungezisa i-actuator ye-valve ukushintsha indawo yediski.

Umzimba we-valve ufakwe phakathi kwama-flange amapayipi amabili. Okuvame kakhulu kuyo yonke imiklamo ehlukene yomzimba ama-lugs nama-disc.

Isimiso sokusebenza sediski ye-valve sifana nesango ku-valve yesango, ipulaki ku-valve yepulaki, ibhola ku-valve yesango.i-valve yebhola, njll. Uma izungeziswe ngo-90 ° ukuze igeleze ngokuhambisana noketshezi, i-disc isendaweni evulekile. Kulesi simo, i-disc izovumela wonke uketshezi ukuba ludlule. Lapho i-disc iphenduka futhi, i-disc ingena endaweni evaliwe futhi ivimbele ukugeleza kwamanzi. Ngokuya ngomumo wediski nedizayini, umkhiqizi angakwazi ukushintsha itorque esebenzayo, avale kanye/noma ageleze.

Isiqu se-valve siyi-shaft. Kungaba yisiqephu esisodwa noma ezimbili. Uma ingeyakamuva, ibizwa nge-split stem.

Isihlalo sixhunywe emzimbeni wemoto ngokucindezela, ukubopha noma izindlela zokukhiya. Umkhiqizi ngokuvamile wenza isihlalo se-valve nge-polymer noma i-elastomer. Inhloso yesihlalo se-valve ukuhlinzeka ngomsebenzi wokuvala we-valve. Kungakho amandla ajikelezayo adingekayo ekuvaleni ivalve yovemvane ebizwa ngokuthi “i-torque yesihlalo”, kuyilapho amandla ajikelezayo adingekayo ukuze i-valve uvemvane izungezise isici sawo sokuvala abizwa ngokuthi “i-torque yesihlalo.

I-actuator ingaba ngomshini noma othomathikhi, futhi ukugeleza ngepayipi kungalungiswa ngokuhambisa i-valve disc. Uma ivaliwe, i-disc ye-valve ivala imbobo ye-valve, futhi uketshezi luhlala luthinta i-valve disc. Lokhu kuzodala ukwehla kwengcindezi. Ukuze ushintshe indawo yediski ukuze ivumele ukugeleza koketshezi, phendula isiqu sibe yikota.