Jonga umfanekiso oMkhulu
Imfuno yamandla iyanda phakathi kokutshintsha kwemozulu kunye nesidingo sokufumana izixhobo ezingcono, ezihlaziyiweyo nezingenabungozi kangako ukuvelisa umbane.Oku kukhokelela kubavelisi beevalvu zoshishino kushishino lweplanti yamandla ukuba bafune izixhobo zenkqubo ezinokonyusa ukusebenza kakuhle kokuveliswa kwamandla kunye nokwandisa ukusebenza kwamandla.
Ngokujonga umfanekiso omkhulu, iivalvu zibonakala ziliqhezu nje lobukhulu besikhululo sombane.Nokuba zincinci kangakanani na, indima yazo ibalulekile kumzi-mveliso wamandla.Enyanisweni, kukho iivalvu ezininzi kwindawo yombane enye.Nganye kwezi ithatha iindima ezahlukeneyo.
Ngelixa umgaqo woyilo emva kweevalvu ezininzi awukatshintshi, izixhobo zevalve kunye nobuchule bokuvelisa ziphuculwe kakhulu.Ngoku engqondweni, iivalve ngoku zinokusebenza ngokucokisekileyo nangokufanelekileyo.Eli nqaku linika ingqiqo kwiivalvu ezisetyenziswa kwizityalo zamandla, ukubaluleka kwazo kunye nokuhlelwa.
Iivalvu Ngokuqhelekileyo ezisetyenziswa kwizicelo zeZityalo zoMbane
Ibhonethi eBolted kunye ne-Pressure Seal Gate Valves
Iivalve zesango zinediski okanye i-wedge esebenza njengesango elivimba indlela yokuhamba yemidiya.Ayijoliswanga ukuba i-throttling, indima ephambili yeevalvu zesango kukwahlulwa kweendaba ezinomda omncinci.Ukusebenzisa ngokupheleleyo ivalve yesango, yisebenzise kuphela njengoko ivuliwe ngokupheleleyo okanye ivalwe ngokupheleleyo.
Iivalvu zesango, kunye neevalvu zeglowubhu, zezodidi lwevalvu yokwahlula.Ezi zivalo zinokumisa ukuhamba kweendaba kwiimeko ezingxamisekileyo okanye xa umbhobho ufuna ukulungiswa.Ezi zinokuthi zidibanise i-media kwizixhobo zenkqubo yangaphandle okanye zingakhokelela ukuba yeyiphi indlela imidiya efanele ilandele.
Ivalve yebhonethi ebolithiweyo inciphisa ukhukuliseko, ukukhuhlana kunye noxinzelelo loxinzelelo.Oku kungenxa yoyilo lwezibuko oluthe ngqo.Kwiivalvu zesango lokutywina uxinzelelo, ziyilo ezimbini ziyafumaneka kwizicelo zoxinzelelo oluphezulu kunye nobushushu: idisc ehambelanayo kunye ne-wedge eguqukayo.
Uhlobo lwebhonethi ebolithiweyo lusasetyenziswa kwiqondo lobushushu eliphezulu kodwa olu hlobo lunokuvuza xa uxinzelelo lunyuka.Ukusetyenziswa okuphezulu kune-500 psi, sebenzisa ivalve yokutywina yoxinzelelo ngenxa yokunyuka kwetywina njengoko uxinzelelo lwangaphakathi lukhula.
Uyilo lukwavumela unxibelelwano oluncinci phakathi kwemidiya kunye nediski.Ngeli xesha, uyilo lwe-wedge lwenza kube lula ukunamathela kwisihlalo.
Ukusetyenziswa okungaphantsi kwe-ANSI Class 600, sebenzisa ivalve yesango yebhonethi ebholithiweyo.Nangona kunjalo, kwizicelo zoxinzelelo oluphezulu, sebenzisa iivalve zesango lokutywina.Uxinzelelo oluphezulu lunokususa iibholithi ngohlobo lwebhonethi.Oku kunokukhokelela ekuvuzeni.
Ibhonethi eBolted kunye ne-Pressure Seal Globe Valves
Ivalve yeglowubhu iyafana nevalve yesango kodwa endaweni yediski edityanisiweyo, isebenzisa idiski efana neglowubhu evalayo, ivule okanye icinezele imidiya.Ngokusisiseko, olu hlobo lwesivalo senzelwe iinjongo zokugobhoza.I-downside ye-valve yeglobhu kukuba ayinakusetyenziswa kunye neendaba ezinamazinga aphezulu okuhamba.
Iivalvu zeglowubhu, kwizicelo zokuvelisa amandla, ziyasebenza kulawulo lokuhamba.Ukongeza, xa kuthelekiswa nezinye iivalve, ivalve yeglowubhu inoyilo olulula, okwenza ugcino lube lula.Uyilo ludala ukukhuhlana okuphantsi okwandisa ubomi benkonzo yevalvu ekugqibeleni.
Ukuqwalaselwa xa ukhetha iivalvu zeglowubhu luhlobo oluphakathi, isantya sokuhamba kweso siphakathi esixeliweyo kunye nobungakanani bolawulo olufunekayo kwivalve.Ukongeza kwezi zinto, isihlalo, i-disc kunye nenani lokujika ukuvula nokuvala i-valve akufanele ithathelwe ingqalelo.
Uhlobo lwebhonethi ebolithiweyo lusasetyenziswa kwiqondo lobushushu eliphezulu kodwa olu hlobo lunokuvuza xa uxinzelelo lunyuka.Kwizicelo eziphezulu kune-500 psi, sebenzisa ivalve yokutywina yoxinzelelo ngenxa yokuba isitywina sayo sinyuka njengoko uxinzelelo lwangaphakathi lukhula.
IBolted Bonnet Swing Check okanye i-Pressure Seal Tilt Disc Check Valves
Iivalvu zokutshekisha ziivalvu ezichasene nokubuyela umva.Oku kuthetha ukuthini ukuba ivumela ukuhamba kweendaba ezingaqhelekanga.Uyilo lwediskhi ye-angled ye-45-degree inciphisa ukubethelwa kwamanzi kunye nokukwazi ukuziqhelanisa neendaba kunye nesantya esiphezulu.Kwakhona, uyilo luvumela ukuhla koxinzelelo oluphantsi.
Iivalvu zokutshekisha zikhusela yonke inkqubo yemibhobho kunye nezixhobo kumonakalo onokwenzeka ukusuka ekuhambeni kokubuyisela umva.Kuzo zonke iivalve, jonga iivalve, mhlawumbi, zithatha owona monakalo mkhulu njengoko ezi zihlala zityhileka ngakumbi kumajelo eendaba kunye neminye imingeni yokusebenza.
Ukubethelwa kwamanzi, ukudibanisa kunye nokutshata zizinto ezimbalwa eziqhelekileyo eziqhelekileyo zeevalvu zokutshekisha.Ukukhetha ivalve elungileyo kuthetha ukusebenza ngokufanelekileyo kwevalvu.
Ibhonethi ebolithiweyo kunye ne-pressure seal tilt iivalvu zediskhi zibiza kakhulu kunezo naziphi na ziyilo zevalvu.Ukongeza, uyilo lwediskhi ethambekileyo lutywina ngakumbi kunolunye uyilo lwevalvu yokukhangela.Ekubeni inomsebenzi olula, ukugcina olu hlobo lwevalve kulula.
Iivalvu zokukhangela zizongezo ezibalulekileyo kuso nasiphi na isicelo esinxulumene nomjikelo odityanisiweyo kunye nezityalo zamandla ezitshiswa ngamalahle.
Iivalvu zokuHlola kabini
Kuthathwa njengento ehlala ixesha elide, esebenzayo kwaye ilula kune-valve yokukhangela i-swing, i-valve yokujonga kabini inemithombo eyandisa ixesha lokuphendula i-valve.Indima yayo kwinkqubo yemibhobho yeplanti yamandla kukuziqhelanisa notshintsho olukhawulezileyo lokuhamba kwemidiya.Oku, ngokufuthi, kunciphisa umngcipheko wehamile yamanzi.
Iivalvu zokuHlola uMlomo
Olu luhlobo olukhethekileyo lwevalve yokukhangela.Ngamanye amaxesha ibizwa ngokuba ziivalvu zokutshekisha ezithe cwaka.Uyilo luluncedo ngakumbi xa kukho imfuneko yokuphendula ngokukhawuleza ngokuchasene nokubuyela umva.Kwakhona, xa kukho isoyikiso esiqhubekayo sokubuyela umva, sebenzisa le valve.
Uyilo lunciphisa iziphumo zokubethelwa kwamanzi kunye nokungcangcazela okubangelwa ngamajelo eendaba.Inokunciphisa ilahleko yoxinzelelo kwaye inike impendulo ekhawulezayo kwi-shutoffs.
Iivalvu zokukhangela umlomo wombhobho zithathela ingqalelo isantya esifunekayo ukuze uvule isivalo.Imidiya yolwelo ayifuni ukuba kwisantya esiphezulu ukuvala ivalve.Nangona kunjalo, i-valve ivala ngokukhawuleza xa kukho ukunciphisa okukhulu ukuhamba kweendaba.Oku kukunciphisa ukubethelwa kwamanzi.
Iivalvu zokukhangela umbhobho ziyakwazi ukwenzeka ukuba zihambelane neemfuno zeplanti yombane.Inokuyilwa ukuba ilingane nesicelo.Ayixhomekekanga nakubungakanani bombhobho.
Iivalvu zeBhola ezihleli ngesinyithi
Iivalvu zebhola ziyinxalenye yosapho lwekota.Isici sayo esiphambili sisakhiwo esifana nebhola esijika i-900 ukuvula okanye ukuvala.Oku kusebenza njengesithintelo kumajelo eendaba.
Izixhobo zeplanti yamandla zisebenzisa iivalve zebhola ezihleli ngentsimbi kuba ezi zinokumelana noxinzelelo oluphezulu kunye nobushushu obungaphaya kwe-10000F.Ngaphaya koko, iivalvu zebhola ezihleli ngentsimbi zomelela ngakumbi kwaye azifanelwanga kukunxitywa kwesitulo xa kuthelekiswa neendawo ezihlala kuzo ezithambileyo.
Ukutywinwa kwayo kwe-bi-directional metal-to-metal kubonelela ngezakhono zokuvala ezingcono xa kuthelekiswa nezinye iivalvu.Kubiza kancinci ukulungisa iivalvu ezinjalo.Ekubeni ikwazi ukumelana namaqondo obushushu aphezulu, iyakwazi ukumelana nomlilo.
IValve yebhabhathane esebenza ngokuPhezulu
Ivalve yebhabhathane inomzimba onjenge-wafer onediski ebhityileyo ejikeleza macala omabini.Ukuba lula, kulula ukuyifaka, ukugcina kunye nokulungisa.
Kungenjalo kwaziwa ngokuba yi-HPBV, iivalvu zebhabhathane ezisebenza ngokuphezulu zineendlela ezimbini zokulinganisa endaweni yesinye.Oku kudala isakhono esingcono sokutywina.Kwakhona kudala ukungqubuzana okuncinci, okukhokelela kubomi obude benkonzo yevalve.
Iivalve zebhabhathane ezisebenza kakhulu zihlala zisetyenziswa kwizicelo zokungenisa amanzi, iinkqubo zamanzi okupholisa kunye nosetyenziso lwamanzi amdaka kwimizi-mveliso.I-HPBV inamandla okumelana noxinzelelo oluphezulu kunye nobushushu ukuba indawo yokuhlala yintsimbi.
Iivalvu zebhabhathane eziZimeleyo ezihleliyo
Olu hlobo lwevalve yebhabhathane luhlala lusetyenziselwa uxinzelelo oluphantsi kunye nobushushu, kunye nezicelo zeplanti yamandla ezincinci.Ngesihlalo sayo esenziwe ngerabha yomgangatho ophezulu, inokuvala ivalve ngokufanelekileyo kwizicelo ezinoxinzelelo oluphantsi.
Olu hlobo kulula ukuyifaka kunye nokugcina.Uyilo lwayo olulula lwenza ukuba i-valve ye-concentric eyomeleleyo ehleliyo ingabizi kakhulu ukuyifaka.
Iivalvu zebhabhathane ezithathu
Iivalvu zebhabhathane ezithathu zinento enye yesithathu eyongezelelweyo ebekwe esitulweni.Le ndlela yesithathu inciphisa ukukhuhlana ekuvuleni nasekuvaleni ivalve.Le valve ikwabonelela ngokuqina kwerhasi kunye nokuhamba okuphindwe kabini.Olu lolona hlobo lusebenzayo lwevalve yebhabhathane xa uxinzelelo oluphezulu kunye nobushushu zizinto eziqwalaselweyo eziphezulu.
Ibonelela ngeyona nto itywiniweyo ingqongqo kunye nobomi benkonzo obude phakathi kwazo zonke iintlobo ezahlukeneyo zeevalvu zebhabhathane kwimarike.
Ukuhlelwa kweValve kuShishino lweziTyalo zoMbane
Uhlobo ngalunye lwesicelo sokuvelisa amandla lufuna iseti eyodwa yeemfuno zolawulo lokuhamba.Oko kuthethiweyo, kukho inkitha yeevalvu kwinkqubo enikiweyo yombhobho kwizityalo zamandla.Ngenxa yohlobo lweenkqubo ezenzekayo kwindawo ethile yenkqubo yombhobho, iivalvu zoshishino zezityalo zamandla nazo kufuneka zithathe iindima ezahlukeneyo.
Iivalvu zeMfezeko ePhakamileyo iSlurries
Ukuze i-slurry ephezulu yengqibelelo, iivalvu kufuneka zivale ngci.I-disc kufuneka ithathelwe indawo ngokulula ngenxa yokuba ixesha elininzi, i-slurries edlulayo iyadla okanye i-abrasive.Ngomzimba, eyona nto ifanelekileyo yintsimbi kunye nentsimbi engenasici kwisiqu.
Iivaluvu zeeNkonzo zokuBekwa kwaZodwa
https://www.youtube.com/watch?v=aSV4t2Ylc-Q
Iivalvu ezisetyenziselwa ukubekwa zodwa ziivalvu ezimisa ukuhamba kwemidiya ngenxa yezizathu ezininzi.Ezi ziwela kwiindidi ezine:
1. IValve yeSango yeBonnet
Eyona valve yesango yebhonethi kufuneka yenziwe ngentsimbi etyhidiweyo.Iiringi zezitulo zayo kufuneka zidityaniswe ukuthintela ukuvuza okunokwenzeka.
2. IValve yeSango leSitywina soxinzelelo
Uyilo olubini, oludityanisiweyo kunye noluhambelanayo, kufuneka lube lukhuni kwaye lube namandla okuzicoca.Kufuneka kwakhona kube lula ukuyigcina kunye nokulungisa.
3. Pressure Seal Globe Valve
Kwiinkonzo zoxinzelelo oluphezulu, i-disc, izihlalo zokuhlala, kunye ne-backseat kufuneka ibe nzima-ubuso ukuqinisekisa ubomi obude benkonzo.
4. IValve yeBonnet yeGlobe eBolted
Ivalve yeglowubhu yebhonethi ebolithiweyo isoloko isetyenziselwa iinkonzo ze-throttling, ivalve efanelekileyo yolu hlobo kufuneka iphoswe ngamacandelo atyebileyo kwiindawo apho kukho uxinzelelo ngakumbi.Ukuqinisekisa ukuba kukho ukuvuza okuncinci okunokwenzeka, iringi yesitulo kufuneka idityaniswe.
Iivalvu zoKhuseleko lokuBuyiswa koMqukuqelo
Ezi zivalo zikhusela i-counterflow.Iivalvu zolu hlobo kufuneka zibe neendawo eziqinileyo kunye neebheringi ezichasayo.Ukongeza kwezi, ivalve kufuneka ibe nezikhonkwane ezinkulu zehinge ububanzi ukuze kubekho indawo yokufunxa intshukumo yemidiya.
Iivalvu zolu didi ziquka oku kulandelayo:
– Ivalve yokukhangela ukujingi kwebhonethi
–Ivalve yokukhangela itywina loxinzelelo
– Ivalve yokukhangela umbhobho
– Iivalvu zokujonga iipleyiti ezimbini
Iivalvu zezicelo ezikhethekileyo
Kukwakho nezicelo ezikhethekileyo kwiivalvu ezithile.Oku kuxhomekeke kuhlobo lomthombo wamandla kwakunye neemfuno zomzi-mveliso wamandla.
– Ivalve yebhabhathane kathathu
– Ivalve yebhabhathane esebenza kakhulu
– Ivalve yebhabhathane ene-eccentric ephindwe kabini
– Ivalve yebhola ehleli ngesinyithi
–Ivalve yebhabhathane ehleliyo eyomelelayo
Isishwankathelo
Iivalvu zemizi-mveliso ezisetyenziswa kwizityalo zamandla zihlala ziphantsi koxinzelelo olukhulu kunye noxinzelelo.Ukwazi uhlobo olululo lwevalvu kuqinisekisa usetyenziso olungcono nolona lufanelekileyo lokuvelisa amandla.
Ixesha lokuposa: Feb-25-2018