Njengenxalenye yolawulo oluphambili kwinkqubo yokuhanjiswa kwamanzi, ukusebenza okuqhelekileyo kwevalve kubalulekile kuzinzo kunye nokhuseleko lwenkqubo yonke. Oku kulandelayo ngamanqaku aneenkcukacha zolondolozo lwemihla ngemihla lwesivalo:

Ukuhlolwa kwembonakalo

1. Coca umphezulu wevalvu

Hlala ucoce umphezulu ongaphandle wevalve ukususa ukungcola okunjengothuli, ioli, irusi, njl njl. Sebenzisa ilaphu elicocekileyo, elithambileyo okanye ibrashi yokucoca. Ukufumana amabala anenkani, ungasebenzisa isicoci esifanelekileyo, kodwa qaphela ukunqanda ukubola kwempahla yevalve sisicoci. Ngokomzekelo, kwiivalve zensimbi ezingenasici, ungasebenzisa i-detergent epholileyo ye-alkaline;iivalvu ezinendawo ezipeyintiweyo, khetha i-detergent engayi kulimaza indawo yepeyinti.

Coca ipleyiti yegama levalvu kwaye uqinisekise ukuba ulwazi lweplate yegama lucacile kwaye luyafundeka. I-nameplate iqulethe ulwazi olubalulekileyo olufana nemodeli yevalve, ukucaciswa, ukulinganiswa koxinzelelo, kunye nomhla wokuvelisa, obaluleke kakhulu kwimisebenzi efana nokugcinwa kwevalve, ukulungiswa kunye nokutshintshwa.

2. Jonga ingqibelelo yembonakalo yevalve

Jonga ngononophelo ukuba ingaba umzimba wevalve, isigqubuthelo sevalvu, iflenge kunye namanye amalungu evalve aneentanda, ukonakala okanye iimpawu zomonakalo. Ukuqhekeka kunokubangela ukuvuza kwemidiya, kwaye ukuguqulwa kunokuchaphazela ukusebenza okuqhelekileyo kunye nokusebenza kokutywinwa kwevalve. Kwiivalvu zentsimbi, ingqalelo ekhethekileyo kufuneka ihlawulwe ukujonga ukuba ngaba kukho ukuvuza okubangelwa ziziphene zokuphosa ezifana nemingxuma yesanti.

Qwalasela iindawo zoqhagamshelo zevalve, njengokuba iibholiti kuqhagamshelo lweflange zikhululekile, ziyawa okanye zidliwe. Iibholiti ezikhululekileyo ziya kuchaphazela ukusebenza kokutywinwa kweflange kwaye kufuneka ziqiniswe ngexesha; iibholiti ezidlekileyo zinokufuna ukutshintshwa ukuze kuqinisekiswe ukuthembeka koqhagamshelo. Ngexesha elifanayo, khangela ukuba iigaskets kwiindawo zokudibanisa zichanekile. Ukuba zonakele okanye zikhulile, kufuneka zitshintshwe ngexesha.

Qwalasela ukuba iindawo zokusebenza zevalve, njengevili lesandla, umqheba okanye i-actuator yombane, zonakele, ziqhwale okanye zilahlekile. Ezi nxalenye ziyisitshixo sokulawula ukuvulwa nokuvalwa kwevalve. Ukuba yonakele, ivalve ayinakusebenza ngokuqhelekileyo. Ngokomzekelo, umonakalo kwi-handwheel unokuthintela umqhubi ekulawuleni ngokuchanekileyo ukuvulwa kwevalve.

Ukuhlolwa kokutywinwa kweValve

1. Ukuhlolwa kokuvuza kwangaphandle

Ngesikhondo sevalve yesikhondo sokutywina inxalenye yevalve, khangela ukuba kukho ukuvuza okuphakathi. Isixa esincinci solwelo lokubona ukuvuza (njengamanzi anesepha) unokugalelwa kwisiqu sevalvu ukujonga ukuba amaqamza ayavela na. Ukuba kukho amaqamza, oko kuthetha ukuba kukho ukuvuza kwi-valve stem seal, kwaye kuyimfuneko ukujonga ngakumbi ukuba ukupakisha ukutywinwa okanye ukutywinwa konakele okanye kugugile. Ukupakishwa okanye ukutywina kunokufuneka kutshintshwe ukusombulula ingxaki yokuvuza.

Jonga ukuba kukho ukuvuza kuqhagamshelo lweflange lwevalve. Ungasebenzisa isixhobo sokubona ukuvuza ukujonga ukuba kukho amaqamza aphuma kumphetho weflange. Kwiiflange ezinokuvuza okuncinci, unokufuna ukuphinda uqinise iibholithi okanye utshintshe i-gasket ukulungisa ukuvuza. Ukuvuza okumandundu, kufuneka uvale iivalvu eziphuma phezulu nezisezantsi kuqala, ukhuphe isiphakathi kumbhobho, uze uwulungise.

2. Ukuhlolwa kokuvuza kwangaphakathi

Iindlela ezahlukeneyo zisetyenziselwa ukujonga ukuvuza kwangaphakathi kuxhomekeke kuhlobo lwevalve kunye nendawo yokusebenza. Kwiivalvu zokumisa kunye neevalvu zesango, ukuvuza kwangaphakathi kunokujongwa ngokuvala ivalve kuze kujongwe ukuba kukho okuphakathi okuqukuqelayo ezantsi kwevalve. Umzekelo, kwisixokelelwano samanzi, unokujonga ukuba kukho ukuntywila kwamanzi okanye ukuhla koxinzelelo kumbhobho osezantsi; kwinkqubo yegesi, ungasebenzisa isixhobo sokubona irhasi ukubona ukuba kukho ukuvuza kwerhasi ezantsi.

Kwiivalvu zebhola kunye ne-butterfly valves, unokugweba kwangaphambili ukuvuza kwangaphakathi ngokujonga ukuba isalathisi sendawo sichanekile emva kokuba ivalve ivaliwe. Ukuba isalathisi sendawo sibonisa ukuba i-valve ivalwe ngokupheleleyo, kodwa kusekho ukuvuza okuphakathi, kunokubakho ingxaki ngetywina phakathi kwebhola okanye i-butterfly plate kunye nesihlalo sevalve. Kuyimfuneko ukukhangela ngakumbi ukuba indawo yokutywina yesihlalo sevalve igugile, ikrwelwe okanye idityaniswe nokungcola, kwaye ugaye okanye utshintshe isihlalo sevalve ukuba kuyimfuneko.

Ukuhlolwa kokusebenza kwevalvu

1. Ukuhlolwa kokusebenza kwevalvu ngesandla

Sebenzisa ivalve yencwadana rhoqo ukujonga ukuba ivalve iguquguquka ukuvula nokuvala. Xa uvula kwaye uvala i-valve, qwa lasela ukuba ngaba amandla okusebenza afanayo kunye nokuba kukho ukunyathela okanye ukuchasana okungaqhelekanga. Ukuba umsebenzi unzima, unokubangelwa kukukhuhlana okugqithisileyo phakathi kwesiqu sevalve kunye nokupakishwa, into yangaphandle ebambekayo kumzimba wevalvu, okanye umonakalo kumalungu evalve.

Jonga ukuba isalathisi sokuvula ivalve ichanekile. Kwimibhobho enezikhombisi zokuvula, ezifana ne-valve yokulawula, xa usebenzisa i-valve, jonga ukuba ukufundwa kwesalathisi sokuvula kuhambelana nokuvulwa kwangempela. Isibonakaliso sokuvula esingachanekanga sinokuchaphazela ulawulo lokuhamba kwenkqubo, kwaye isalathisi kufuneka silinganiswe okanye silungiswe.

Kwiivalve zezandla ezisebenza rhoqo, nikela ingqalelo ekunxityweni kwesondo lesandla okanye ukubamba. Amalungu asebenza ngokugqithisileyo asenokuchaphazela indlela aziva ngayo kwaye ade enze umsebenzi ongalawulekiyo. Amavili ezandla ezigugile kakhulu okanye izibambo kufuneka zitshintshwe kwangethuba ukuze kuqinisekiswe ukhuseleko kunye nokuchaneka kokusebenza kwevalvu.

2. Ukuhlolwa kokusebenza kwevalvu yombane

Jonga ukuba ngaba uqhagamshelo lwamandla evalve yombane luqhelekile kwaye ingaba iingcingo zonakele, zindala okanye zikhululekile. Qinisekisa ukuba ukuhanjiswa komqondiso wolawulo lwe-activator yombane kuqhelekile. Unokujonga ukuba i-valve inokuvula ngokuchanekileyo, ivale okanye ilungise idigri yokuvula ngokwemiyalelo ngokusebenzisa inkqubo yokulawula.

Qaphela isenzo sevalve yombane ngexesha lokusebenza, njengokuba isantya sokuvula kunye nokuvala i-valve iyahlangabezana neemfuno, nokuba kukho ukungcangcazela okungaqhelekanga okanye ingxolo. Ukungcangcazela okungaqhelekanga okanye ingxolo inokubangelwa ngumonakalo kumalungu angaphakathi e-actuator yombane, ukungaphumeleli kwesakhiwo somatshini wevalve okanye ukufakela okungafanelekanga. Ukuhlolwa okungaphezulu kunye nokugcinwa kwevalve yombane kuyadingeka, kubandakanywa ukujonga imeko yokusebenza yamacandelo afana nemoto, i-reducer, kunye nokudibanisa.

Jonga rhoqo kwaye ulungelelanise ukutshintshela umda wokuhamba wevalve yombane. Ukutshintshwa komda wokuhamba sisixhobo esibalulekileyo sokulawula indawo yokuvula kunye nokuvala i-valve. Ukuba isitshixo somda asiphumeleli, sinokubangela ukuba ivalve ivuleke okanye ivale ngokugqithisileyo, yonakalise ivalve okanye i-actuator yombane. Ngokufanisa ukuvuleka okupheleleyo kunye nokuvala izenzo zevalve, khangela ukuba ukutshintshwa komda kunokunqumla ngokuchanekileyo ukunikezelwa kwamandla ombane ukuqinisekisa ukusebenza okukhuselekileyo kwevalve.

Ukuthambisa kunye nokugcinwa

1. Ukuhlolwa kwendawo yokuthambisa

Qinisekisa iindawo zokuthambisa zevalve, ngokubanzi kubandakanya isiqu sevalve, iibheringi, iigiya kunye nezinye iindawo. Kwiintlobo ezahlukeneyo zevalve, indawo kunye nenani leendawo zokuthambisa zingahluka. Umzekelo, iindawo eziphambili zokuthambisa iivalvu zesango ngamanqaku oqhagamshelwano phakathi kwesiqu sevalve kunye nesango kunye nomzila wesikhokelo; iivalve zebhola kufuneka zithambise iindawo zoqhagamshelwano phakathi kwebhola kunye nesitulo sevalve kunye nesiqu sevalve.

Jonga ukuba kukho isithambiso esaneleyo kwindawo yokuthambisa. Ukuba i-lubricant ayanelanga, inokubangela ukunyuka kwengxabano phakathi kwamacandelo, okuchaphazela ukusebenza komsebenzi kunye nobomi benkonzo yevalve. Kwezinye iivalvu ezinezibuko zokutofa igrisi, unokugweba ukuba isithambisi kwindawo yokuthambisa sanele ngokujonga izibuko lokutofa igrisi okanye ngokujonga inqanaba legrisi.

2. Khetha isithambiso esifanelekileyo

Khetha i-lubricant efanelekileyo ngokwendawo yokusebenza yevalve kunye nezinto zamacandelo. Ngaphantsi kobushushu obuqhelekileyo kunye neemeko zoxinzelelo, igrisi esekwe kwi-lithium sisithambiso esisetyenziswa ngokuqhelekileyo esine-lubrication elungileyo kunye nokunganyangeki. Kwiivalvu kwiindawo zobushushu obuphezulu, igrisi echasene nobushushu obuphezulu be-polyurea okanye igrisi ye-perfluoropolyether ingakhethwa; kwiindawo zobushushu obuphantsi, izithambisi ze-ester ezinobushushu obuphantsi obuphezulu ziyafuneka.
Kwiindawo zokusebenza ezinobungozi bekhemikhali, njengeevalvu kushishino lweekhemikhali, ii-lubricants ezinokumelana nokubola kufuneka zikhethwe. Ngokomzekelo, igrisi ye-fluoro inokumelana nokubola kweekhemikhali ezinjengeeasidi ezinamandla kunye neealkali, ezibonelela ngokuthambisa okusebenzayo kunye nokukhusela iivalvu. Ngelo xesha, ukuhambelana kwezinto zokuthambisa kunye ne-valve ye-valve kunye nezinye izinto zecandelo kufuneka ziqwalaselwe ukuphepha umonakalo wecandelo ngenxa yeempawu zeekhemikhali ze-lubricant.

3. Ukusebenza kokuthanjiswa

Kwiivalvu ezidinga i-lubrication, zithambise ngokwendlela echanekileyo kunye nomjikelo. Kwiivalvu zezandla, ungasebenzisa umpu wegrisi okanye imbiza yeoli ukujova izithambisi kwiindawo zokuthambisa. Xa utofa i-lubricant, qaphela ukuba ugweme i-injection egqithisileyo yokukhusela i-lubricants ukuba ingaphumi kwaye ingcolise indawo engqongileyo okanye ichaphazele ukusebenza okuqhelekileyo kwevalve. Kwiivalve zombane, ezinye ii-actuator zombane zinenkqubo yazo yokuthambisa, efuna ukuhlolwa rhoqo kunye nokuthambisa. Kwiivalve zombane ezingenayo inkqubo yazo yokuthambisa, iindawo zokuthambisa zangaphandle kufuneka zithanjiswe ngesandla.

Emva kokuthambisa, sebenzisa ivalve amaxesha amaninzi ukuze i-lubricant isasazwe ngokulinganayo kumphezulu wamacandelo ukunika umdlalo opheleleyo kwisiphumo sokuthambisa. Kwangaxeshanye, coca i-lubricant ephuphumayo ngexesha lenkqubo yokuthambisa ukuze ugcine indawo engqonge ivalve icocekile.

Ukuhlolwa kwezixhobo zevalve

1. Ukuhlolwa kwesihluzi

Ukuba isihluzo sifakwe phezulu kwevalve, jonga isihluzo rhoqo ukuze ubone ukuba sivalekile. Isihluzi sokucoca siya kunciphisa ukuhamba kwamanzi kunye nokwandisa ukulahleka koxinzelelo, okuchaphazela ukusebenza okuqhelekileyo kwevalve. Ungagweba ukuba ivaliwe ngokujonga umahluko woxinzelelo kuzo zombini iziphelo zesihluzi. Xa umahluko woxinzelelo ungaphaya komda othile, isihluzi kufuneka sicocwe okanye into yokucoca kufuneka itshintshwe.

Xa ucoca isihluzi, landela iinkqubo zokusebenza ezichanekileyo ukunqanda ukonakalisa isikrini sokucoca okanye amanye amalungu. Kwezinye izihluzi ezichanekileyo, unokufuna ukusebenzisa izixhobo ezikhethekileyo zokucoca kunye neearhente zokucoca. Emva kokucoca, qiniseka ukuba isihluzo sifakwe ngokuchanekileyo kwaye sitywinwe kakuhle.

2. Igeyiji yoxinzelelo kunye nokuhlolwa kwevalve yokhuseleko

Jonga ukuba igeyiji yoxinzelelo kufutshane nevalve isebenza kakuhle na. Qaphela ukuba isalathisi segeyiji yoxinzelelo sinokubonisa ngokuchanekileyo uxinzelelo kunye nokuba ukucofa kucacile kwaye kuyafundeka. Ukuba i-pointer ye-pressure gauge jump, ayibuyeli kwi-zero, okanye ibonise ngokungafanelekanga, mhlawumbi iinqununu zangaphakathi ze-pressure gauge zonakaliswe okanye i-sensor ye-pressure sensor iphosakele, kwaye i-gauge ye-pressure gauge idinga ukulinganiswa okanye ukutshintshwa.

Kwiinkqubo ezineevalve zokhuseleko ezifakiweyo, khangela ukuba ivalve yokhuseleko ikwimeko eqhelekileyo rhoqo. Khangela ukuba uxinzelelo lokuvula i-valve yokhuseleko luhlangabezana neemfuno kunye nokuba lunokuvulwa ngokuchanekileyo kuxinzelelo olumiselweyo ukukhulula uxinzelelo olugqithisileyo. Ukusebenza kwevalve yokhuseleko kunokujongwa ngovavanyo lwezandla okanye izixhobo zovavanyo lobuchwephesha. Ngexesha elifanayo, khangela ukusebenza kokutywinwa kwevalve yokhuseleko ukuze ugweme ukuvuza phantsi koxinzelelo oluqhelekileyo lokusebenza.

Ukugcinwa kwemihla ngemihla kweevalve kufuna ukucokiseka kunye nomonde. Ngokuhlola rhoqo kunye nokugcinwa, iingxaki ezinokuthi zifumaneke kwaye zixazululwe ngexesha elifanelekileyo, ukwandisa ubomi benkonzo yee-valve kunye nokuqinisekisa ukusebenza okukhuselekileyo nokuzinzileyo kwenkqubo yokuhanjiswa kwamanzi.