Indlela yokwenza uhlolo kunye nokuhlolwa kwevalvu
Njengesixhobo esibalulekileyo sokulawula ulwelo, iivalvu zisetyenziswa kakhulu kwiindawo ezininzi ezifana nepetroleum, imboni yeekhemikhali, kunye nombane. Umenzi weevalvu ze-NSW uza kuhlalutya izinto eziphambili zeuvavanyo lwevalvukunye nezinto ezihambelana nazoimigangatho yokuhlolwa.
Inkcazo yeValve
Iivalvu zizixhobo ezisetyenziselwa ukulawula ukuhamba kwamanzi, uxinzelelo, ubushushu kunye nezinye iiparameter zolwelo, kwaye zisetyenziswa kakhulu kwizixhobo zoshishino, ezoluntu, nezasekhaya. Ngokweendlela ezahlukeneyo zokusetyenziswa kunye nemisebenzi, iivalvu zinokwahlulwa zibe ziintlobo ezininzi, ezifana nezi:
Ivalvu yeSango: Vula kwaye uvale umjelo wolwelo ngokuphakamisa ipleyiti yesango, efanelekileyo kwiimeko ezivulekileyo ngokupheleleyo okanye ezivaliweyo ngokupheleleyo.
Ivalvu yeBhola: Lawula ukuhamba kolwelo ngokujikeleza ibhola, ngeenzuzo zokutywinwa kakuhle, ulwakhiwo olulula, kunye nokusebenza okulula.
I-Globe Valve: Lawula ukuhamba kolwelo ngokujikeleza isiqu sevalvu ukuze wenze idiski yevalvu ihambe phezulu nasezantsi, ngaloo ndlela utshintshe ubungakanani besango levalvu, elifanelekileyo lokulawula nokunqumla ulwelo.
Ivalvu yebhabhathane: Lawula ukuhamba kolwelo ngokujikeleza idiski (ipleyiti yebhabhathane), esetyenziswa rhoqo kulawulo lolwelo kwimibhobho emikhulu.
Jonga iValve: Isetyenziselwa ukuthintela ukubuya kolwelo, ngokuqhelekileyo ifakelwa kwindawo yokuphuma kwepompo okanye kumbhobho wolwelo.
Ivalvu yoKhuseleko: Xa uxinzelelo olukwinkqubo ludlula ixabiso elimiselweyo, luvuleka ngokuzenzekelayo ukuthintela uxinzelelo olugqithisileyo, olusetyenziswa kakhulu ukukhusela ukhuseleko lwezixhobo kunye neenkqubo.
Izinto eziphambili zeValve Check
Ukuhlolwa kweevalvu kubalulekile ukuqinisekisa ukhuseleko kunye nokuthembeka kwayo kwiindawo ezahlukeneyo zokusetyenziswa. Ezi zilandelayo zezona zinto ziphambili zokuhlolwa kweevalvu kunye nemigangatho yazo kunye neendlela zokuhlola.
Ukujonga Inkangeleko Yevalvu
Jonga ukuba inkangeleko yevalvu ineziphene na, ezinje ngokuqhekeka, amaqamza, ukuqhekeka, njl.njl.
Jonga ukuba ilogo, ipleyiti yegama kunye nonyango lomphezulu ziyahlangabezana na neemfuno.
Umgangatho:I-API 598, i-ASME B16.34, i-ISO 5208
Indlela yokuhlola:Ngokujonga ngamehlo kunye nokuhlola ngesandla, qinisekisa ukuba kukho iziphene ezibonakalayo kumphezulu wevalvu, kwaye ujonge ukuba ulwazi lwelogo kunye nepleyiti yegama zichanekile na.
Ukujonga Ubungakanani beValve
Linganisa ubukhulu obuphambili bevalvu, kuquka i-port yokudibanisa, ubude bomzimba wevalvu, ububanzi besiqu sevalvu, njl.njl., ukuqinisekisa ukuba iyahlangabezana nemizobo yoyilo kunye neemfuno ezisemgangathweni.
Umgangatho:I-ASME B16.10, i-ASME B16.5, i-ISO 5752
Indlela yokuhlola:Sebenzisa ii-calipers, ii-micrometer kunye nezinye izixhobo zokulinganisa ukulinganisa ubukhulu obuphambili bevalvu ukuzeqinisekisa ukuba iyahlangabezana neemfuno zoyilo.
Uvavanyo Lokusebenza Kokuvala Iivalvu
Umgangatho:I-API 598, ISO 5208, EN 12266-1
Indlela yovavanyo: Uvavanyo loxinzelelo oluzinzileyo: Faka uxinzelelo lwe-hydrostatic okanye uxinzelelo lomoya kwivalvu, kwaye ujonge ukuba akukho kuvuza emva kwexesha elithile.
Uvavanyo lokuqina komoya oluphantsi koxinzelelo:Xa ivalvu ivaliwe, faka igesi enoxinzelelo oluphantsi ngaphakathi kwevalvu uze ujonge ukuba akukho kuvuza.
Uvavanyo lwamandla
Uvavanyo lwamandla eqokobhe:Faka uxinzelelo lwe-hydrostatic oluphezulu kunoxinzelelo olusebenzayo kwivalvu ukuze uvavanye amandla eqokobhe layo kunye nokumelana noxinzelelo.
Uvavanyo lweSikhondo seValve:Vavanya ukuba amandla okutsalwa yi-valve stem okanye amandla okutsalwa akwinqanaba elikhuselekileyo na.
Umgangatho:I-API 598, i-ASME B16.34, i-ISO 5208
Indlela yovavanyo:Faka uxinzelelo lwe-hydrostatic okanye uxinzelelo lomoya oluphezulu kunoxinzelelo olusebenzayo kwivalvu, kwaye ujonge ukuba akukho tshintsho okanye ukuqhekeka kwegobolondo yevalvu emva kwexesha elithile.
Uvavanyo Lokusebenza Kokusebenza
Vavanya i-torque yokuvula nokuvala ivalvu, isantya sokuvula nokuvala, kunye nendlela esebenza ngayo ukuqinisekisa ukusebenza kakuhle kwaye kukwinqanaba elifanelekileyo le-torque.
Umgangatho:I-API 6D, i-ISO 10497
Indlela yoVavanyo:Ngokusebenzisa ivalvu, linganisa i-torque yokuvula nokuvala, kwaye uvavanye ukugudama kokuvulwa nokuvala kwevalvu.
Uvavanyo lokuhamba kweValve
Vavanya iimpawu zokuhamba kwevalvu kwiindawo ezahlukeneyo zokuvula ukuze uvavanye amandla ayo okulawula ulwelo.
Umgangatho:I-ISO 5211, i-ISO 60534
Indlela yovavanyo:Linganisa ukuhamba kolwelo kwivalvu kwiindawo ezahlukeneyo ezivulekileyo ukuze uvavanye amandla okulawula ivalvu.
Uvavanyo lokuxhathisa ukugqwala kweValve
Vavanya ukumelana nokugqwala kwezinto zevalvu kwindawo yokusebenza, usebenzisa iindlela ezifana novavanyo lokutshiza ngetyuwa okanye uvavanyo lokuntywilisela.
Umgangatho:I-ISO 9227 (uvavanyo lokutshiza ityuwa), i-ASTM G85
Indlela yovavanyo:Beka ivalvu kwigumbi lokuvavanya ityuwa ukuze ulinganise imeko-bume enokugqwala kwaye uvavanye ukuqina kwezinto phantsi kweemeko zokugqwala.
Uvavanyo lokudinwa kweValve
Ivalvu ivulwa ize ivalwe ngokuphindaphindiweyo ukuze kuvavanywe ukuqina kwayo kunye nokuthembeka kwayo ekusetyenzisweni kwayo ixesha elide.
Umgangatho:I-ISO 19879, i-ASME B16.34
Indlela yovavanyo:Sebenzisa ivalvu ngokuphindaphindiweyo kwaye wenze imijikelo yokuvula nokuvala ukuze uvavanye ukuthembeka kwayo kunye nokuqina kwayo ekusetyenzisweni kwayo ixesha elide.
Uvavanyo lobushushu beValve
Vavanya uzinzo lokusebenza kwevalvu phantsi kweemeko ezahlukeneyo zobushushu ukuqinisekisa ukusebenza kwayo okuqhelekileyo kwiindawo ezinobushushu obugqithisileyo.
Umgangatho:I-API 607, ISO 10497 (uvavanyo lomlilo), EN 12567
Indlela yovavanyo:Beka ivalvu kwindawo enobushushu obuphezulu okanye obuphantsi ukuze kuvavanywe ukusebenza kwayo phantsi kobushushu obuphezulu.
Uvavanyo lokungcangcazela kweValve kunye neMpembelelo
Vavanya uzinzo kunye nokuthembeka kwevalvu phantsi kweemeko zokungcangcazela kunye nempembelelo.
Umgangatho:I-ISO 10816, i-ISO 19879
Indlela yovavanyo:Beka ivalvu kwitafile yokungcangcazela okanye kwitafile yokuchasana ukuze ulinganise ukungcangcazela kunye nempembelelo kwindawo yokusebenza kwaye uvavanye uzinzo kunye nokuthembeka kwevalvu.
Ukufunyanwa kokuvuza kweValve
Ukufunyanwa kokuvuza kwangaphakathi:Vavanya ukusebenza kokutywinwa kwangaphakathi kwevalvu kwimeko evaliweyo.
Ukufunyanwa kokuvuza kwangaphandle:Jonga ukuvalwa kwangaphandle kwevalvu esetyenziswayo ukuqinisekisa ukuba akukho kuvuza kwesixhobo.
Imigangatho:I-API 598, ISO 5208, EN 12266-1
Indlela yokuvavanya:Xa ivalvu ivaliwe, yenza uvavanyo lokuvuza lwangaphakathi nolwangaphandle ukuqinisekisa ukuba ivalvu ayivuzi phantsi koxinzelelo olusebenzayo.
Uvavanyo loBomi bokusebenza kweValve
Lingisa ubomi benkonzo yevalvu ngokusebenza ixesha elide kwaye ujonge ukwehla kokusebenza kwayo.
Imigangatho:I-ISO 19879, i-API 6D
Indlela yokuvavanya:Lingisa ukusebenza kwevalvu kwiimeko zokusebenza zokwenyani kwaye wenze imisebenzi yokuvula nokuvala ixesha elide ukuze uvavanye ubomi bayo benkonzo.
Isiphelo
Njengenxalenye ephambili kwinkqubo yolawulo lolwelo, ukusebenza kunye nokhuseleko lwevalvu kuchaphazela ngokuthe ngqo ukusebenza okuzinzileyo kwenkqubo yonke. Ngovavanyo olupheleleyo kunye nokugcinwa rhoqo, ukuthembeka kwevalvu phantsi kweemeko ezahlukeneyo zokusebenza kunokuqinisekiswa, ngaloo ndlela kuqinisekiswa ukhuseleko lwemveliso yemizi-mveliso kunye nobomi bemihla ngemihla.
Ixesha leposi: Jan-07-2025