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Isicelo semveliso yevalvu yesango lemela
Ukusetyenziswa kwemveliso yevalvu yesango lemela: Ivalvu yesango lemela yohlobo inesakhiwo esilula nesincinci, uyilo olufanelekileyo, izixhobo ezikhaphukhaphu, ukutywinwa kuthembekile, kuyaguquguquka kwaye kusebenza lula, umthamo omncinci, itshaneli egudileyo, ukumelana nokuhamba kwamanzi okuncinci, ubunzima obuncinci, kulula ukuyifaka, kulula ukuyisusa...Funda ngokugqithisileyo -
Ukukhethwa kwezinto eziqhelekileyo zevalvu kunye nobubanzi bokusetyenziswa (2)
6, ivalvu ye-copper alloy: ifanelekile kwi-PN≤ 2.5mpa yamanzi, amanzi olwandle, ioksijini, umoya, ioyile kunye nezinye izinto, kunye nobushushu be--40 ~ 250℃ steam medium, esetyenziswa kakhulu kwi-ZGnSn10Zn2 (ithusi letin), i-H62, i-HPB59-1 (ithusi), i-QAZ19-2, i-QA19-4 (ithusi le-aluminium). 7, ithusi lobushushu obuphezulu: ifanelekile kwi-nom...Funda ngokugqithisileyo -
Ukukhethwa kwezinto eziqhelekileyo zevalvu kunye nobubanzi bokusetyenziswa (1)
Iivalvu ngokweendlela ezahlukeneyo ezifanelekileyo zokukhetha izixhobo, iivalvu ngokubanzi zinokwahlulwa zibe ngamaqondo obushushu aqhelekileyo, amaqondo obushushu aphezulu, ukhetho lwezinto eziphantsi kobushushu, ukhetho lwezinto ezichasene nokugqwala, kodwa zikwahlulwa zibe ngamaqondo obushushu aphantsi, uxinzelelo oluphakathi, ukhetho lwevalvu yoxinzelelo oluphezulu...Funda ngokugqithisileyo -
Iingenelo kunye nokungalungi kweevalvu ezahlukeneyo (6)
7, umgibe womphunga: ekudlulisweni komphunga, umoya ocinezelweyo kunye nezinye izinto ezisetyenziswayo, kuya kubakho amanzi ancitshisiweyo, ukuqinisekisa ukusebenza kakuhle nokusebenza ngokukhuselekileyo kwesixhobo, kufuneka kukhutshwe ngexesha elifanelekileyo ezi zinto zingasebenziyo neziyingozi, ukuqinisekisa ukusetyenziswa nokusetyenziswa...Funda ngokugqithisileyo -
Iingenelo kunye nokungalungi kweevalvu ezahlukeneyo (5)
5, ivalvu yeplagi: ibhekisa kwiindawo zokuvala zibe yivalvu ejikelezayo enesimo seplunger, ngokujikeleza kwe-90° ukwenza iplagi yevalvu ekuvulekeni kwetshaneli kunye nokuvulwa komzimba wevalvu okanye ukwahlulwa, ukuvula okanye ukuvala ivalvu. Iplagi inokuba yi-cylindrical okanye i-conical ngemilo. Umgaqo wayo ufana kakhulu nebhola ...Funda ngokugqithisileyo -
Iingenelo kunye nokungalungi kweevalvu ezahlukeneyo (4)
4, ivalvu yeglobhu: ibhekisa kwiindawo zokuvala (idiski) ecaleni komgca osembindini wentshukumo yesihlalo sevalvu. Ngokwemo yokuhamba kwediski, utshintsho lokuvulwa kwesihlalo sevalvu luhambelana ngokuthe ngqo ne-disc stroke. Ngenxa yolu hlobo lwe-valve stem stroke evulekileyo okanye evaliweyo imfutshane kakhulu...Funda ngokugqithisileyo -
Iingenelo kunye nokungalungi kweevalvu ezahlukeneyo (3)
3, ivalvu yebhola: iphuhliswe kwivalvu yeplagi, iindawo zayo zokuvula nezokuvala ziyibhola, kusetyenziswa ibhola ejikeleze ukujikeleza kwe-stem axis 90° ukuze kufezekiswe injongo yokuvula nokuvala. Ivalvu yebhola isetyenziselwa kakhulu ukusika, ukusasaza nokutshintsha indlela yokuhamba okuphakathi kwipayipi. I...Funda ngokugqithisileyo -
Iingenelo kunye nokungalungi kweevalvu ezahlukeneyo (2)
2, ivalvu yebhabhathane: ivalvu yebhabhathane luhlobo lwediski oluvula nokuvala oluphinda-phinda i-90° okanye ngaphezulu ukuze luvule, luvale kwaye lulungise umjelo wolwelo wevalvu. Iingenelo: (1) Ulwakhiwo olulula, umthamo omncinci, ubunzima obulula, izixhobo zokusetyenziswa, ezingasetyenziswa kwiivalvu ezinkulu ze-caliber; (2) ukuvulwa ngokukhawuleza kunye...Funda ngokugqithisileyo -
Iingenelo kunye nokungalungi kweevalvu ezahlukeneyo (1)
1. Ivalvu yesango: Ivalvu yesango ibhekisa kwivalvu enenxalenye yokuvala (isango) ehamba kwicala elithe nkqo le-axis yetshaneli. Isetyenziswa kakhulu njengendawo yokusika kwipayipi, oko kukuthi, evuleke ngokupheleleyo okanye evaliweyo ngokupheleleyo. Ngokubanzi, iivalvu zesango akufuneki zisetyenziselwe ukulawula ukuhamba kwamanzi. Inga...Funda ngokugqithisileyo -
Ziziphi iimpawu zeevalvu zeplagi? (1)
Zithini iimpawu zeevalvu zeplagi? 1, umzimba wevalvu yevalvu yeplagi udityanisiwe, uyilo olufakwe phezulu, ulwakhiwo olulula, ulondolozo olulula kwi-intanethi, akukho ndawo yokuvuza kwevalvu, ixhasa amandla aphezulu enkqubo yemibhobho. 2, i-medium kwinkqubo yeekhemikhali inomhlwa onamandla, kwi-chem...Funda ngokugqithisileyo -
Yintoni ivalvu yeplagi?
Yintoni ivalvu yeplagi? Ivalvu yeplagi yiswitshi ekhawulezayo ngevalvu, ngenxa yentshukumo phakathi komphezulu wokutywina kunye nesiphumo sokusula, kwaye xa ivuliwe ngokupheleleyo inokuthintela ngokupheleleyo ukudibana ne-flow medium, ngoko ke ingasetyenziswa nakwi-medium enamasuntswana axhonyiweyo. Olunye uphawu olubalulekileyo lwe-p...Funda ngokugqithisileyo -
Isishwankathelo esiqhelekileyo sevalvu yebhabhathane kunye nokusetyenziswa kwesakhiwo
Isishwankathelo esisemgangathweni sevalvu yebhabhathane kunye nokusetyenziswa kwesakhiwo Isakhiwo esitsha semveliso yoyilo lwesihlalo sevalvu yebhabhathane esisebenza kakuhle, ngokwesikhokelo somthombo woxinzelelo, silungisa ngokuzenzekelayo isihlalo, sifezekise isiphumo sevalvu ephindwe kabini ngoxinzelelo, kwaye sonyusa ubomi benkonzo ye...Funda ngokugqithisileyo
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