Valve ya gede navalve ya phaphatani havumbirhi bya tona ti tlanga xiave xa ku cinca na ku lawula ku khuluka eka matirhiselo ya tiphayiphi. I ntiyiso leswaku ka ha ri na ndlela eka endlelo ro hlawula valve ya phaphatani na valve ya gede. Leswaku kuhungutiwa vuenti bya ku funengetiwa ka misava ya phayiphi eka network ya mphakelo wa mati, hi xitalo tiphayiphi letikulu ta diameter ti hlomisiwile hi ti butterfly valves, letinga na mbuyelo wutsongo eka vuenti bya ku funengetiwa ka misava, naswona ti lwela ku hlawula ti gate valves.
Xana ku hambana kwihi exikarhi ka valve ya phaphatani na valve ya gede?
Kuya hi ntirho na matirhiselo ya gate valve na butterfly valve, gate valve yina ku tiya lokuntsongo ka ku khuluka xikan’we na matirhelo ya kahle yo pfalela. Hikuva tlhelo ra ku khuluka ka gate valve plate na medium swile ka vertical angle, loko gate valve yinga cinciwi eka ndzhawu ya yona eka valve plate, ku scouring ka medium eka valve plate swita endla leswaku valve plate yi rhurhumela. , Swa olova ku onha xisirhelelo xa valve ya gede. Butterfly valve, leyi tivekaka tani hi flap valve, i muxaka wa valve yo lawula leyingana xivumbeko xo olova. Butterfly valve leyinga tirhisiwaka eka on-off control ya low-pressure pipeline medium swivula leswaku xirho xo pfala (disc kumbe butterfly plate) i disc, leyi rhendzelekaka ku rhendzela valve shaft kuva yi fikelela ku pfuleka naku pfala. Valve leyi yinga tirhisiwa ku lawula ku khuluka ka tinxaka tohambana hambana ta swihalaki swofana na moya, mati, steam, switirhisiwa swohambana hambana leswinga bola, ndzhope, oyili, nsimbi ya mati na switirhisiwa swa radioactive. Ngopfu ngopfu yi tlanga xiave xo tsema na ku throttling eka phayiphi. Xiphemu xo pfula na ku pfala valve ya phaphatani i butterfly plate leyingana xivumbeko xa disc, leyi rhendzelekaka eka axis ya yona eka miri wa valve kuva yi fikelela xikongomelo xo pfula naku pfala kumbe ku lulamisa. Puleti ya phaphatani yi fambisiwa hi nsinya wa valve. Loko yi hundzuka 90°, yi nga hetisa ku pfula ni ku pfala kan’we. Hiku cinca deflection angle ya disc, ku khuluka ka medium kunga lawuriwa.
Swiyimo swa ntirho na xikarhi: Valve ya phaphatani yi lulamerile ku fambisa swilo swohambana hambana leswinga bola na leswinga bola eka tisisiteme ta vunjhiniyara tofana na muhumelerisi, gasi ya malahla, gasi ya ntumbuluko, gasi ya petroliyamu leyi nga mati, gasi ya doroba, moya wo hisa na wo titimela, ku n’okisiwa ka tikhemikhali na ku tumbuluxiwa ka gezi nsirhelelo wa mbango, ku aka mphakelo wa mati na ku humesa mati, na swin’wana na swin’wana Eka phayiphi ya xitirhisiwa, yi tirhisiwa ku lulamisa na ku tsema ku khuluka ka xitirhisiwa xa le xikarhi.
Valve ya gede yina gede ya xirho yo pfuleka naku pfala, tlhelo ra ku famba ka gede ri perpendicular eka tlhelo ra fluid, naswona valve ya gede yinga pfuriwa ntsena hiku hetiseka no pfala hiku hetiseka. Ku antswisa vumaki bya yonaor vuswikoti na ku endla ku hambuka ka angle ya le henhla ya sealing hi nkarhi wa ku lulamisiwa, gede leyi yi vuriwa gede ya elastic.
Loko valve ya gede yi pfariwile, ndzhawu yo pfalela yinga titshega ntsena hi ntshikelelo wale xikarhi kuva yi pfala, leswivulaka leswaku, ku titshega ntsena hi ntshikelelo wale xikarhi ku tshikelela ndzhawu yo pfalela ya gede kuya eka xitulu xa valve eka tlhelo rin’wana kutiyisisa ku pfariwa ka ndzhawu yo pfalela, leswinga ti pfalela. Ti valve totala ta gede ti pfariwa hi matimba, leswivulaka leswaku loko valve yi pfariwile, gede yifanele ku sindzisiwa ku lwisana na xitulu xa valve hi matimba yale handle kutiyisisa ku tiya ka ndzhawu yo pfalela.
Movement mode: Gede ya valve ya gede yi famba hi layini yo kongoma na nsinya wa valve, leswi nakambe swivuriwakaOS&Y valve ya gede. Hi ntolovelo, kuna tintambhu ta trapezoidal eka nhonga yo tlakusa. Hiku tirhisa nati yale henhla ka valve xikan’we na guide groove eka miri wa valve, rotary motion yi cinciwa kuya eka linear motion, leswivulaka leswaku torque yo tirha yi cinciwa kuya eka operating thrust. Loko valve yi pfuriwile, loko ku tlakuka ka lift ya gede ku ringana na 1:1 times diameter ya valve, fluid channel ayi siveriwi hiku hetiseka, kambe xiyimo lexi axinga langutiwi hi nkarhi wa ntirho. Eka matirhiselo ya xiviri, nhlohlorhi ya nsinya wa valve yitirhisiwa tani hi xikombiso, leswivulaka leswaku ndzhawu leyi yinga pfuriwiki, tani hi ndzhawu ya yona leyi pfulekeke hiku hetiseka. Leswaku ku tekeriwa enhlokweni xiendlakalo xa lock-up hikokwalaho ka ku cinca ka mahiselo, hi ntolovelo yi pfuriwa kuya eka xiyimo xale henhla, kutani yitlhelela endzhaku eka 1/2-1 turn, tani hi ndzhawu ya valve leyi pfulekeke hiku hetiseka. Hikokwalaho, ndzhawu leyi pfulekeke hiku hetiseka ya valve yikumiwa kuya hi ndzhawu ya gede (i.e. stroke). Ti nati tin’wana ta nsinya wa valve ya gede ti vekiwa egedeni, naswona ku rhendzeleka ka vhilwa ra voko swi endla leswaku nsinya wa valve wu rhendzeleka, leswi endlaka leswaku gede yi tlakuka. Muxaka lowu wa valve wu vuriwa Rotary stem gate valve kumbeNRS valve ya gede.
Nkarhi wa poso: Jul-14-2022
