1. Ivalve yesango: Ivalve yesango ibhekiselele kwivalve elungu layo lokuvala (isango) lihamba kwicala elithe nkqo le-axis yetshaneli. Isetyenziselwa ikakhulu ukunqumla i-medium kumbhobho, oko kukuthi, ivule ngokupheleleyo okanye ivalwe ngokupheleleyo. Iivalvu zesango ngokubanzi azinakusetyenziselwa ukulawula ukuhamba. Ingasetyenziselwa ubushushu obuphantsi kunye noxinzelelo oluphezulu kunye nobushushu obuphezulu kunye noxinzelelo oluphezulu, kwaye lunokusetyenziswa ngokwezinto ezahlukeneyo zevalve. Nangona kunjalo, iivalvu zesango azisetyenziswa ngokubanzi kwimibhobho ehambisa imidiya efana nodaka.

inzuzo :
1. Ukuxhathisa ulwelo oluncinane;
2. I-torque efunekayo ukuvula nokuvala incinci;
3. Ingasetyenziswa kumbhobho womnatha weringi apho i-medium ihamba ngeendlela ezimbini, oko kukuthi, indlela yokuhamba ye-medium ayithintelwanga;
4. Xa ivuleke ngokupheleleyo, umphezulu wokutywina awukhukuliseka kancinci sisiphakathi sokusebenza kunevalve yeglowubhu;
5. Ubume kunye nesakhiwo zilula kwaye inkqubo yokuvelisa ilungile;
6. Ubude besakhiwo bufutshane.

ukusilela:
1. Ubungakanani obupheleleyo kunye nobude bokuvula bukhulu, kwaye indawo yokufakela efunekayo nayo inkulu;
2. Kwinkqubo yokuvula kunye nokuvala, indawo yokutywinwa ixutywe ngokulinganayo, kwaye ukungqubuzana kukhulu kakhulu, kwaye kulula ukubangela i-abrasion nakwiqondo lokushisa eliphezulu;
3. Ngokuqhelekileyo, iivalve zesango zineendawo ezimbini zokutywina, ezongeza ubunzima bokucubungula, ukugaya kunye nokugcinwa;
4. Ixesha lokuvula kunye nokuvala lide.

2. Ivalve yebhabhathane: Ivalve yebhabhathane luhlobo lwesivalo esisebenzisa uhlobo lwediski yokuvula kunye neendawo zokuvala ukujika umva naphambili malunga nama-90° ukuvula, ukuvala nokulungelelanisa indlela yolwelo.

inzuzo :
1. Isakhiwo esilula, ubungakanani obuncinci, ubunzima obulula, izinto ezincinci, ezingasetyenziswanga kwiivalve ezinkulu;
2. Ukuvula nokuvala ngokukhawuleza, ukuchasana nokuhamba okuncinci;
3. Ingasetyenziselwa imidiya kunye neengqungquthela eziqinileyo ezimisiweyo, kwaye ingasetyenziselwa i-powdery kunye ne-granular media ngokokuqina kwendawo yokutywinwa. Kufanelekile ukuvulwa kweendlela ezimbini kunye nokuvala kunye nokulungelelaniswa kwemibhobho yokungena umoya kunye nokususa uthuli, kwaye isetyenziswa ngokubanzi kwimibhobho yegesi kunye neendlela zamanzi kwi-metallurgy, imboni yokukhanya, amandla ombane, iinkqubo zepetrochemical, njl.

ukusilela:
1. Uluhlu lohlengahlengiso lokuhamba alukho lukhulu. Xa ukuvulwa kufikelela kwi-30%, ukuhamba kuya kungena ngaphezu kwe-95%.
2. Ngenxa yokuthintelwa kwesakhiwo sevalve yebhabhathane kunye nezinto zokutywina, ayifanelekanga kubushushu obuphezulu kunye nenkqubo yombhobho woxinzelelo oluphezulu. Ubushushu obuqhelekileyo bokusebenza bungaphantsi kwe-300 ° C kwaye bungaphantsi kwe-PN40.
3. Ukusebenza kokutywina kumbi kuneevalvu zebhola kunye neevalvu zeglowubhu, ngoko ke isetyenziswa kwiindawo apho iimfuno zokutywinwa zingekho phezulu kakhulu.

3. Ivalve yebhola: Ivele kwivalve yeplagi. Inxalenye yayo yokuvula kunye nokuvala yi-sphere, kwaye umzimba wokutywina ujikelezwe nge-90 ° malunga ne-axis ye-valve stem ukufezekisa injongo yokuvula nokuvala. Ivalve yebhola isetyenziselwa ikakhulu ukusika, ukusasaza kunye nokutshintsha indlela yokuhamba kwephakathi kumbhobho, kunye nevalve yebhola eyilelwe ngokuvuleka okubume obungu-V nayo inomsebenzi olungileyo wolawulo lokuhamba.

inzuzo :
1. Unokumelana nokuhamba okuphantsi (okwenene 0);
2. Ngenxa yokuba ayiyi kuxinga xa isebenza (kwi-lubricant), inokufakwa ngokuthembekileyo kwimithombo yeendaba ezonakalisayo kunye nolwelo olusezantsi lokubilisa;
3. Kuxinzelelo olukhulu kunye noluhlu lweqondo lokushisa, linokufikelela ukutywinwa okupheleleyo;
4. Inokuqonda ukuvula nokuvala ngokukhawuleza. Ixesha lokuvula kunye nokuvalwa kwezinye izakhiwo yi-0.05 ~ 0.1s kuphela, ukwenzela ukuba kuqinisekiswe ukuba ingasetyenziselwa inkqubo yokuzenzekelayo yebhentshi yokuvavanya. Xa uvula kwaye uvala i-valve ngokukhawuleza, akukho nkothuko ekusebenzeni.
5. Ilungu elivalayo elingqukuva linokumiswa ngokuzenzekela kwindawo yomda;
6. Isixhobo sokusebenza sitywinwe ngokuthembekileyo kumacala omabini;
7. Xa ivuliwe ngokupheleleyo kwaye ivalwe ngokupheleleyo, umphezulu wokutywina webhola kunye nesihlalo sevalve sibekwe sodwa kumbindi, ngoko ke isiphakathi esidlula kwivalve ngesantya esiphezulu asiyi kubangela ukhukuliseko lomphezulu wokutywina;
8. Ngesakhiwo esincinci kunye nobunzima obulula, sinokuthathwa njengeyona ndlela ifanelekileyo ye-valve yenkqubo ye-medium medium;
9. Umzimba wevalve ulungelelene, ngakumbi ubume bomzimba wevalve edityanisiweyo, enokumelana kakuhle noxinzelelo lombhobho;
10. Amacandelo okuvala anokumelana nokwahlukana koxinzelelo oluphezulu xa uvala.
11. I-valve yebhola enomzimba odibeneyo odibeneyo unokungcwatywa ngokuthe ngqo emhlabathini, ukwenzela ukuba iindawo zangaphakathi ze-valve zingayi kugqwala, kwaye ubomi benkonzo enkulu bunokufikelela kwiminyaka engama-30. Yeyona valve ifanelekileyo kwimibhobho yeoli kunye negesi yendalo.

ukusilela:
1. Ngenxa yokuba eyona nto ibalulekileyo yokutywina isihlalo sevalve yebhola yi-polytetrafluoroethylene, ayisebenzi phantse kuzo zonke izinto zekhemikhali, kwaye inomlinganiso omncinci wokukhuhlana, ukusebenza okuzinzileyo, akukho lula ukuguga, uluhlu olubanzi lwesicelo sobushushu kunye nokutywinwa kokusebenza okugqwesileyo iimpawu ezibanzi. . Nangona kunjalo, iimpawu ezibonakalayo ze-PTFE, kubandakanywa i-coefficient ephezulu yokwandisa, uvakalelo lokuhamba okubandayo kunye nokungahambi kakuhle kwe-thermal, kufuna ukuba izitywina zokuhlala kufuneka ziyilwe ngeenxa zonke ezi zakhiwo. Ngoko ke, xa izinto zokutywinwa ziqina, ukuthembeka kwesitywina kuphazamisekile. Ngaphezu koko, i-PTFE inomlinganiselo ophantsi wobushushu kwaye ingasetyenziswa kuphela ngaphantsi kwe-180°C. Ngaphezulu kolu bushushu, izinto zokutywina ziya kuguga. Kwimeko yokusetyenziswa kwexesha elide, ngokuqhelekileyo ayisetyenziswanga kwi-120 ° C.
2. Ukusebenza kwayo kulungelelaniso kubi ngakumbi kune-valve yeglobhu, ngakumbi i-valve ye-pneumatic (okanye i-valve yombane).

4. Ivalve yeglowubhu: ibhekisa kwivalve elungu layo lokuvala (idiski) lihamba kumgca osembindini wesitulo sevalve. Ngokwendlela yokunyakaza yediski, ukutshintshwa kwe-port yesihlalo se-valve kuhambelana nokubetha kwe-disc. Ngenxa yokuba ukuvulwa okanye ukuvala i-valve yesikhondo solu hlobo lwesivalo sifutshane, kwaye sinomsebenzi othembekileyo wokusikwa, kwaye ngenxa yokuba utshintsho lokuvula isihlalo sevalve lulingana ne-stroke ye-valve disc. ilungele kakhulu ukulungiswa kokuhamba. Ngoko ke, olu hlobo lwevalve lufanelekile kakhulu ukusika okanye ukulawulwa kunye nokubetha.

inzuzo:
1. Ngethuba lokuvula kunye nokuvala inkqubo, ekubeni i-friction force phakathi kwe-disc kunye ne-surface yokutywina ye-valve yomzimba incinci kune-valve yesango, i-resistant-resistant.
2. Ukuphakama kokuvula ngokuqhelekileyo kuphela kwe-1/4 yesitulo sokuhlala, ngoko ke kuncinci kakhulu kunevalve yesango;
3. Ngokuqhelekileyo kukho enye indawo yokutywina kumzimba wevalve kunye nediski ye-valve, ngoko ke inkqubo yokuvelisa ilungile kwaye kulula ukuyigcina.
4. Ekubeni i-filler ngokuqhelekileyo ingumxube we-asbestos kunye negraphite, izinga lokumelana nokushisa liphezulu. Ngokuqhelekileyo iivalvu zomphunga zisebenzisa iivalve zeglowubhu.

ukusilela:
1. Ekubeni i-flow direction ye-medium ngevalve itshintshile, ubuncinci bokumelana nokuhamba kwevalve yeglowubhu ikwaphezulu kunezinye iindidi zeevalvu;
2. Ngenxa yokubetha ixesha elide, isantya sokuvula sihamba kancinci kuneso sivalo sebhola.

5. Ivalve yokuplaga: Ibhekisa kwivalve ejikelezayo enendawo yokuvala emile okwe-plunger. Ngokujikeleza kwe-90 °, izibuko letshaneli kwiplagi yevalve iqhagamshelwe okanye yahlulwe kwizibuko letshaneli kumzimba wevalvu ukuqonda ukuvulwa okanye ukuvala. Ubume beplagi yevalve ingaba yi-cylindrical okanye i-conical. Umgaqo wayo ngokusisiseko ufana naleyo yevalve yebhola. Ivalve yebhola iphuhliswa ngesiseko sevalve yeplagi. Isetyenziswa kakhulu ekuxhatshazweni kwendawo yeoli nakwishishini lepetrochemical.

6. Ivalve yokhuseleko: isetyenziswe njengesixhobo sokukhusela ngokugqithisileyo kwiinqanawa zoxinzelelo, izixhobo okanye iipayipi. Xa uxinzelelo kwisixhobo, isitya okanye umbhobho ukhuphuka ngaphezu kwexabiso elivumelekileyo, i-valve iya kuvula ngokuzenzekelayo kwaye ikhuphe ngokupheleleyo ukukhusela izixhobo, isitya okanye umbhobho kunye noxinzelelo lokuqhubeka nokunyuka; xa uxinzelelo lwehla kwixabiso elichaziweyo, i-valve kufuneka iVale ngokuzenzekelayo ngexesha lokukhusela ukusebenza okukhuselekileyo kwezixhobo, izitya okanye iipayipi.

7. Umgibe womphunga: Amanye amanzi ajikiweyo aya kwenziwa xa kuthuthwa umphunga, umoya oxinanisiweyo kunye nezinye izinto zosasazo. Ukuze kuqinisekiswe ukusebenza kakuhle kunye nokusebenza ngokukhuselekileyo kwesixhobo, ezi media ezingenamsebenzi neziyingozi kufuneka zikhutshwe kwangethuba ukuze kuqinisekiswe ukusetyenziswa kunye nokhuseleko lwesixhobo. sebenzisa. Inemisebenzi elandelayo: 1. Iyakwazi ukususa ngokukhawuleza amanzi adibeneyo; 2. Thintela ukuvuza komphunga; 3. Susa umoya kunye nezinye iigesi ezingacondensable.

8. Ivalve yokunciphisa uxinzelelo: Yivalve enciphisa uxinzelelo lwe-inlet kuxinzelelo oluthile olufunekayo lokuphuma ngohlengahlengiso, kwaye ithembele kumandla ophakathi ngokwawo ukugcina ngokuzenzekelayo uxinzelelo oluzinzileyo lokuphuma.

9. Khangela ivalve: Ikwaziwa ngokuba yivalve yokujikeleza, ivalve yokukhangela, ivalve yoxinzelelo lwangasemva kunye nevalve yendlela enye. Ezi zivalo zivulwa ngokuzenzekelayo kwaye zivaliwe ngamandla avela ngokuhamba kwe-medium ngokwayo kumbhobho, oluhlobo lwevalve oluzenzekelayo. Ivalve yokutshekisha isetyenziswe kwinkqubo yombhobho, kwaye umsebenzi wayo oyintloko kukuthintela ukujikeleza okujikelezayo kwe-medium, ukujikeleza okujikelezayo kwempompo kunye ne-motor motor, kunye nokukhutshwa kwe-container medium. Iivalve zokujonga zikwasetyenziswa kwimigca ebonelela ngeenkqubo ezincedisayo apho uxinzelelo lunokunyuka ngaphezu koxinzelelo lwenkqubo. Inokwahlulwa ikakhulu ibe luhlobo lokujingi (lujikeleza ngokweziko lomxhuzulane) kunye nohlobo lokuphakamisa (uhamba ecaleni kwe-axis)