Selelekela ho Butterfly Valve

Lilemong tsa bo-1930, sehlopha savalve ea serurubelee thehiloe United States, 'me lilemong tsa bo-1950, e ile ea hlahisoa Japane.Le hoja e ne e sa tloaelehe ho sebelisoa Japane ho fihlela lilemong tsa bo-1960, ha ea ka ea tsebahala mona ho fihlela lilemong tsa bo-1970.

Litšobotsi tsa bohlokoa tsa valve ea serurubele ke boima ba eona bo bobebe, sebaka sa eona sa ho kenya compact, le torque e tlase e sebetsang.Belofo ea serurubele e boima ba 2T, athe valve ea heke e boima ba 3.5T, e sebelisa DN1000 joalo ka mohlala.Valve ea serurubele e na le boemo bo matla ba ho tšoarella le ho ts'epahala 'me e bonolo ho e kopanya le mekhoa e fapaneng ea ho khanna.Bothata ba valve ea serurubele e tiisitsoeng ke rabara ke hore, ha e sebelisoa ka mokhoa o sa lokelang e le valve ea throttling, cavitation e tla etsahala, e leng se etsang hore setulo sa rabara se phunye le ho senyeha.Khetho e nepahetseng, ka hona, e itšetlehile ka litlhoko tsa maemo a mosebetsi.Sekhahla sa ho phalla ha e le hantle se fetoha ka mokhoa o lumellanang le mosebetsi oa ho buleha ha valve ea serurubele.

Ha e sebelisoa ho laola phallo, litšoaneleho tsa phallo ea eona li amana haufi-ufi le khanyetso ea phallo ea phaephe.Sekhahla sa phallo ea li-valve, mohlala, se tla fapana haholo haeba liphaephe tse peli li kentsoe bophara bo lekanang le sebopeho, empa li-coefficients tse fapaneng tsa tahlehelo ea liphaephe.Cavitation e ka 'na ea etsahala ka morao ea poleiti ea valve ha valve e le boemong bo boima ba ho phunya, e ka senyang valve.hangata e sebelisoa ka ntle ho 15 °.

Thevalve ea serurubelee etsa boemo bo arohaneng ha e le bohareng ba ho buleha ha eona, ha ntlha e ka pele ea serurubele le 'mele oa phuputso o le holim'a shaft ea valve.Karolo e ka pele ea serurubele e ea nqa e le 'ngoe.

Ka lebaka leo, 'mele oa valve o lehlakoreng le le lengbelofopoleiti e kopana ho etsa lesoba le kang la nko, ha lehlakore le leng le tšoana le throttle.Gasket ea rabara e ile ea arohana.Torque ea ho sebetsa ha valve ea serurubele e fapana ho ea ka moo valve e bulang le ho koala ka teng.Ka lebaka la botebo ba metsi, torque e hlahisoang ke phapang pakeng tsa lihlooho tse ka holimo le tse tlaase tsa metsi tsa shaft ea valve e ke ke ea hlokomolohuoa bakeng sa li-valve tsa serurubele tse otlolohileng, haholo-holo li-valve tse kholo tsa bophara.

Ho phaella moo, phallo ea leeme e tla theha 'me torque e tla phahama ha setsoe se kenngoa ka lehlakoreng le kenang la valve.Ka lebaka la phello ea torque ea phallo ea metsi ha valve e le bohareng ba ho bula, mochine o sebetsang o tlameha ho itšehla thajana.


Nako ea poso: Nov-17-2022

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