IIvalvu yesangoyivalve jikelele levamile lenetinhlobonhlobo tekusetjentiswa. Isetjentiswa kakhulu ekugcineni emanti, metallurgy kanye naletinye timboni. Kusebenta kwayo lokubanti kwekusetjentiswa sekubonwe .zed yimakethe. Eminyakeni leminyenti yekugadza kwelizinga kanye nebuchwepheshe kanye nekuhlolwa kwebuchwepheshe, umbhali akazange ente lucwaningo lolutsite kuphela ngekutfola i-valve yesango, kepha nekusetjentiswa kwe-valve yesango, ngente lucwaningo lolucophelelako nalolucophelelako .
Lokulandzelako ingcoco jikelele ngesakhiwo, kusetjentiswa, kucatulula tinkinga, kuhlolwa kwelizinga kanye naletinye tincenye te-valve yesango.
Isakhiwo
Isakhiwo seIvalvu yesango: IIvalvu yesangonguivalvulesebentisa ipuleti lesango kanye nesihlalo sevalve kulawula kuvulwa nekuvalwa. IIvalvu yesangoikakhulukati kufaka ekhatsi umtimba wevalvi, situlo sevalvi, ipuleti lesango, sicu sevalvi, sivalo sevalvi, incwadzi yekupakisha, sivalo semfutfo wekupakisha, nati yesicu sevalvi, sandla-isondo, njll Kuya ngekushintja kwesikhundla lesihlobene emkhatsini wesango nesihlalo sevalve, linani lesiteshi lingashintjwa futsi lesiteshi singajutjwa. Kute kuvalwe kahle ivalve yesango, ipuleti lesango kanye nesihlalo sevalve kuyagayiwa.
Ngekuya kwesimo lesehlukile sesakhiwo se-valve yesango, le-valve yesango ingahlukaniswa ibe tigaba letimbili: wedge kanye parallel.
Ipuleti lesango le-valve yesango le-wedge lisesimeni, futsi indzawo yekuvala ithambekele emgceni losemkhatsini wesiteshi. Le wedge emkhatsini wepuleti lesango kanye nesihlalo se valve isetjentiselwa kuvala (kuvala). Ipuleti le wedge lingaba lisango linye noma lisango leliphindvwe kabili.
Indzawo yekuvala ye-valve yesango lelihambisanako ihambisana futsi imile emgceni losemkhatsini wesiteshi. Ihlukaniswe yaba tinhlobo letimbili: indlela levulekile kanye nendlela lengavulekile. Kukhona isango leliphindvwe kabili lelinendlela levulekile. Uma lelisango lehla, ema wedges emasango lamabili lahambisanako asekela lamasango lamabili esihlalweni se valve emthambekeni bese asika umzila wekugeleza. Uma lisango likhuphuka futsi livuleka, lifosholo kanye nelisango kubambisana nelisango kuhlukaniswe, lisango likhuphuka libe sesigabeni lesitsite, bese le wedge ibambeka phezulu yi con Ipuleti lelisango leliphindvwe kabili ngaphandle kwendlela levulekile. Uma ipuleti lesango lishelela esihlalweni sevalvi eceleni kwetindzawo letimbili letihambisanako tesihlalo sevalvi, umfutfo waleliketjezi usetjentiswa kucindzetela ipuleti lesango emtimbeni wevalvi eceleni kwekuphuma kwevalvi kuvala loludzaka.
Ngekuya kwekuhamba lokuhlukile kwesicu se valve uma lisango livulwa futsi livalwa, le valve yesango ihlukaniswe yaba tigaba letimbili: ivalve yesango lelivulekile-lebha kanye nevalve yesango lelimnyama. Uma sicu sevalve kanye nepuleti lesango levalve yesango le-open-bar kuvulwa noma kuvalwa, tiyakhuphuka tiphindze tiwe ngesikhatsi sinye; uma ivalve yesango le-dark-bar ivulwa noma ivalwa, sicu sevalve sijikeletwa kuphela, kukhuphuka nekuwa kwesicu sevalve akubonakali, bese ipuleti levalve liyaphakanyiswa noma lehliswa. Inzuzo ye valve yesango lelivulekile-lekutsi ingahlulela kuphakama kwekuvulwa kwesiteshi ngekuphakama lokukhuphukako kwesicu se valve, kepha ingafinyeta kuphakama kwekuba nemphahla. Uma ubhekene nesandla .-lisondvo nobe sibambo, jika sandla .-isondo noma sibambo ngendlela yewashi, bese ivalve ivaliwe.
Umcimbi kanye nesimiso sekukhetsa kusetjentiswa kwevalve yesibili yesango:
01 ifulethiIvalvu yesango
Kusetjentiswa kwevalvu yesango lelisicaba:
(1) Emaphayiphi ekudlulisa oyili kanye negesi yemvelo, emavalvu esango lasicaba lanetimbobo tekuphambukisa nawo alungele kuhlanta emaphayiphi.
(2) Emaphayiphi ekudlulisela kanye nemishini yekugcina oyili locolisiwe.
(3) Tintfo tekukhipha oyili kanye negesi yemvelo.
(4) Emapayipi lanetinhlayiya letimisiwe.
(5) Liphayiphi lekudluliswa kwegesi emadolobheni.
(6) Iphrojekthi yekuniketa emanti.
Umtsetfo wekukhetsa ivalve yesango lelisicaba:
(1) Kumaphayiphi ekudlulisela oyili kanye negesi yemvelo, khetsa emavalvu esango lesicaba lanemasango munye noma emasango lamabili. Uma udzinga kuhlanta liphayiphi, khetsa ivalve yesango lesicaba lenesango linye lelinembobo yekuphambukisa.
(2) Kulephayiphi yekudlulisela kanye nemishini yekugcina oyili locolisiwe, khetsa lisango linye lelite imbobo yekuphambukisa noma ivalve yesango lesicaba lenesango leliphindvwe kabili.
(3) Kuma oyili kanye netintfo tekukhipha igesi yemvelo, khetsa lisango linye lelinesihlalo sevalve lentantako yendvuku lemnyama lenembobo yekuphambukisa noma ivalve yesango lesicaba lenesango leliphindvwe kabili.
(4) Kumaphayiphi lanetinhlayiya letimisiwe, khetsa valve yesango lepuleti lemise ummese.
(5) Kumaphayiphi ekudluliswa kwegesi emadolobheni, khetsa lisango linye noma lisango leliphindvwe kabili lelitsambile lekuvula induku levulekile yevalve yesango lesicaba.
(6) Kubunjiniyela bekuniketa emanti, khetsa ipuleti lelisango linye noma ipuleti lelisango leliphindvwe kabili ngaphandle kwembobo yekuphambukisa ivulekile indvuku valve yesango lesicaba.
02 umgcaIvalvu yesango
Tikhatsi letisebentako te-valve yesango le-wedge: Emkhatsini wetinhlobo letehlukene temavalvu, i-valve yesango isetjentiswa kakhulu. Ngalokuvamile kulungele kuvulwa lokuphelele noma kuvalwa lokuphelele kuphela, futsi angeke isetjentiswe kulawula kanye nekucindzetela.
Le valve ye wedge gate ivame kusetjentiswa etindzaweni lapho khona kute sidzingo lesicinile sebukhulu bangaphandle be valve, futsi timo tekusebentisa tilukhuni kakhulu. Sibonelo, ngekushisa lokusetulu kanye nekucindzeteleka lokusetulu kwekusebenta, kuyadzingeka kutsi tincenye letivaliwe kumele tivalwe sikhatsi lesidze.
Ngalokuvamile, uma timo tekusebentisa noma tidzingo tekusebenta kwekuvala lokutsembekile, umfutfo lomkhulu, umfutfo lomkhulu wekuncishiswa (umehluko lomkhulu wemfutfo), kuncishiswa kwemfutfo lophansi (umehluko lomncane wemfutfo), umsindvo lophansi, imbobo yemoya kanye nesimo sekuhwamuka, lizinga leliphakeme lekushisa lelisemkhatsini, lizinga leliphansi lekushisa (kubandza lokujulile), kunconywa kusebentisa i-valve ku puncture. Sibonelo, kuneticelo letinyenti embonini yemandla, kuncibilikisa iphethroliyamu, i-petrochemical, oyili waselwandle, bunjiniyela bemanti kanye nebunjiniyela bekuhlanta imfucuza ekwakhiweni kwemadolobha, kanye nemboni yemakhemikhali.
Umtsetfo wekukhetsa:
(1) Tidzingo tetimphawu te-fluid te-valve. Le valve yesango isetjentiselwa timo tekusebenta letinekumelana lokuncane kwekugeleta, likhono lekujikeleta lelicinile, timphawu letinhle tekugeleta kanye netidzingo tekuvala leticinile.
(2) Lokushisa lokusezingeni leliphakeme kanye nekucindzeteleka lokusezingeni leliphakeme. Njengemphunga lonemfutfo lomkhulu, lokushisa lokusetulu kanye nemikhicito yawoyela lenemfutfo lomkhulu.
(3) Lokushisa lokuphansi (kubandza lokujulile) lokusemkhatsini. Njenge-ammonia lesemantini, i-hydrogen lesemantini, i-oksijini lesemantini kanye naletinye tindlela tekusakata.
(4) Umfutfo lophansi kanye nemkhulu .bukhulu. Njengemaphrojekthi emanti empompi kanye nemaphrojekthi ekuhlanta imfucuza.
(5) Sikhundla sekufakwa: khetsa i-valve yesango lendvuku lemnyama lapho kuphakama kwekufakwa kulinganiselwe; khetsa ivalve yesango le-rod levulekile lapho kuphakama kungakakhawulelwa.
(6) Kuphela uma ingavulwa ngalokuphelele noma ivalwe ngalokuphelele, futsi ingasetjentiselwa kulungisa kanye nekucindzetela, kungakhetfwa khona ivalve yesango lekubhobota.
Emaphutsa lamatsatfu lavamile kanye nekunakekelwa
01 Emaphutsa lavamile kanye netizatfu temavalvu esango .
Ngemuva kwekusetjentiswa kwe valve yesango, letinkinga letilandzelako tivame kwenteka ngenca yekushisa, kucindzeteleka, kugcola kanye nekuhamba lokuhlobene kwekutsintsana ngamunye.
(1) Kuvuza: Kunetinhlobo letimbili, lokungukuvuza kwangaphandle kanye nekuvuza kwangekhatsi. Lokuvuza ngaphandle kwe valve kubitwa ngekutsi kuvuza, futsi kuvuza kuvamile ebhokisini lekupakisha kanye nekuhlanganiswa kwe flange.
Tizatfu tekuvuta kwelibhokisi lekupakisha: tinhlobo noma lizinga lekupakisha alihlangabetani netidzingo; kuguga kwekupakisha noma kugcoka kwesicu sevalve; kukhululeka kwendlala yekupakisha; lokuklwebheka ebusweni besicu sevalve.
Tizatfu tekuvuza ekuxhumaneni kwe-flange: tintfo noma bukhulu be-gasket abuhlangabetani netidzingo; ikhwalithi yekucubungula lendzawo yekuvala ye-flange ayiphuyile; emabhawudi ekuhlanganisa aboshwe ngendlela lengakafaneli; kucushwa kwemaphayiphi akunangcondvo, lokuholela ekuthwaleni lokungetiwe kakhulu ekuxhumaneni.
Tizatfu tekuvuza kwangekhatsi kwe valve: Kuvuza lokubangelwa kuvalwa kwe valve ngendlela lengakacini kuvuza kwangekhatsi, lokubangelwa kulimala kwendzawo yekuvala ye valve noma umsuka longakacini wendandatho yekuvala.
(1) Kugcola kuvame kuba kugcola kwemtimba wevalve, sivalo sevalve, sicu sevalve kanye nendzawo yekuvala ye-flange. Kugcola ikakhulukati ngenca yesento se medium, kanye nekukhishwa kwema ions kuma fillers kanye nema gaskets.
(2) Kuklwebha: kudvonsa kwendzawo noma kucabuka kwenteka uma ipuleti lesango kanye nesihlalo sevalve kusekunyakata lokuhlobene ngaphansi kwemfutfo lotsite wesilinganiso sekutsintsana.
02 Kugcinwa kwevalvu yesango
(1) Kulungiswa kwekuvuta kwangaphandle kwevalve
Uma ucindetela le filler, le gland bolt lengetulu kumele ikalwe kwentela kugwema kujika kwe gland, kushiya igebe lekucindzeteleka. Ngesikhatsi ucindzetela le filler, sicu se valve kumele siguculwe kwenta le filler letungelete sicu se valve ifane futsi kuvikele kucindzeteleka kutsi kungafi, kwentela kutsi kungatsintsi kujikeleta kwe sicu se valve, kukhulise kugcoka kwe filler, futsi kunciphise imphilo yekusebenta. Ebusweni besicu sevalve iyaklwebheka, kute kube lula kutsi lendzawo lesemkhatsini iphume. Kufanele isetjentwe kwentela kucedza imihuzuko lesetulu kwesicu se valve ngaphambi isetjentiswe.
Kuba kuvuza uxhumano flange, uma gasket ilimele, kufanele esikhundleni; uma ngabe tintfo te gasket tingakhetfwa kahle, tintfo letingahlangabetana netidzingo tekusetjentiswa kumele tikhetfwe; uma ngabe lendzawo yekuvala i-flange isesigabeni lesiphansi sekucubungula, indzawo yekuvala i-flange kumele isuswe bese iyacubungulwa kabusha kuze kube ngulapho seyifanelekile.
Ngetulu kwaloko, kucinisa kahle emabhawudi e-flange, kulungisa kahle liphayiphi, kanye nekugwema imithwalo lengetiwe kakhulu lapho kuhlangana khona i-flange kuyasita ekuvikeleni kuvuza lapho kuhlangana khona i-flange.
(2) Kulungiswa kwekuvuta kwangekhatsi kwevalvi
Kulungiswa kwekuvuza kwangekhatsi kucedza kulimala kwendzawo yekuvala kanye nekukhululeka kwemphandze yendandatho yekuvala (uma indandatho yekuvala iciniswe epuletini levalve noma esihlalweni sevalve ngekucindzetela noma ngentambo). Uma lendzawo yekuvala icutshungulwa ngco emtimbeni wevalve kanye nepuleti levalve, kute inkinga yetimphandze letikhululekile kanye nekuvuta.
Uma indzawo yekuvala ilimele kakhulu futsi indzawo yekuvala yakhiwe yindandatho yekuvala, lendandatho lendzala kumele isuswe bese ifakwa indandatho lensha yekuvala; uma lendzawo yekuvala icutshungulwa ngco emtimbeni we valve, lendzawo yekuvala lelimele kumele isuswe kucala, bese indandatho lensha yekuvala noma lendzawo lecubunguliwe kumele igaywe ibe yindzawo lensha yekuvala. Uma imihuzuko, emabhubhu, kuchobosela, emagodzi kanye naletinye tici tendzawo yekuvala tingaphansi kwa 0.05mm, tingasuswa ngekugaya.
Umsuka wendandatho yekuvala uyavuza. Uma indandatho yekuvala icindezelwa ekhatsi futsi ilungiswe, libhande le PTFE noma pende lomhlophe locinile ungabekwa phansi kwesihlalo se valve noma umgodzi wendandatho yekuvala, bese ucindetelwa endandatho yekuvala kugcwalisa umsuka wendandatho yekuvala. Uma indandatho yekuvala ilungiswa ngentsambo, libhande le-PTFE noma pende lomhlophe lobukhulu kufanele libekwe emkhatsini wentambo Kuvuza emkhatsini wemigca.
(3) Kulungiswa kwekugcola kwevalve
Ngalokuvamile, umtimba wevalve kanye nesembonyo sevalve kugcoba ngekulingana, kantsi sicu sevalve sivame kugoba. Uma kulungiswa, umkhicito logugile kufanele ususwe kucala. Kulesicu se valve lesinemigodzi lenemigodzi, kumele isetjentwe kule lathe kwentela kucedza kucindzeteleka, kushintjwe kube yi filler lecuketse i-ejenti lechubekako-yekukhipha, noma kuhlanta le filler ngemanti lahlungiwe kwentela kususa ema ions kule filler lanemtselela wekugcwalisa esicu se valve.
(4) Kulungiswa kwetintfo letigugile endzaweni yekuvala .
Ngesikhatsi sekusetjentiswa kwe valve, ema abrasions endzaweni yekuvala kumele avikelwe ngendlela lekhonakala ngayo, futsi i-torque akukafaneli ibe nkulu kakhulu uma uvala le valve. Uma abrasions phezu ebusweni kuvala kungaqedwa ngekugaya.
Kutfolakala kwemavalvu lamane esango
Esimeni semakethe samanje kanye netidzingo temsebentisi, emavalvu esango lensimbi akhawunti incenye lenkhulu. Njengemhloli welizinga lemkhicito, ngetulu kwekutayela kuhlolwa kwelizinga lemkhicito, kufanele futsi ube nekuvisisa lokuhle kwemkhicito wona.
01 Sisekelo sekuhlola ivalve yesango lensimbi
Kutfolakala kwevalve yesango lensimbi kususelwa esigabeni sesive se-GB/T12232-2005 ”Ivalve jikelele yekuxhumana kwe-flange yevalve yesango lensimbi”.
02 Tintfo tekuhlola ivalve yesango lensimbi
Ikakhulukati kufaka ekhatsi: logo, * lubondza loluncane lukhulu, ingcindezi test, igobolondo test, njll Emkhatsini wabo, lubondza lukhulu, umfutfo kanye neligobolondvo tintfo letidzingekako tekuhlola kanye netintfo letibalulekile. Uma kunetintfo letingakafaneleki, tingagwetjwa ngalokucondzile njengemikhicito lengafaneleki.
Ngeligama linye, kuhlolwa kwelizinga lemkhicito kuyincenye lebalulekile yekuhlolwa kwemkhicito wonkhe. Kubaluleka kwayo kuyabonakala. Njengetisebenti tekuhlola letihamba embili, kumele sihlale sicinisa lizinga letfu. Akukafaneli sente umsebenti lomuhle ekuhloleni umkhicito kuphela, kepha futsi sibe nekuvisisa kwemikhicito lehloliwe, kute sikhone kwenta kancono umsebenti lomuhle ekuhloleni.
Sikhatsi sekuposa: Mashi-23-2023
