IZINTO ONGAZITHANDA ZAMAVALVU OKUHLOLA AMAPULETI AMABILI

I-BOPIN iqala ngokukhetha abaphakeli bezinto zokuthunga kanye nezingxenye, bese iqhubeka nesinyathelo ngasinye okuhlanganisa nomshini wokugaya, ukuhlanganisa, kanye nokuhlola okuqinile. Silawula ngokuphelele imininingwane ukuqinisekisa ukuthi yonke ivalvu yokuhlola ihlangabezana nezindinganiso eziphakeme ezilindelwe amakhasimende ethu, sibanikeza izixazululo ezinokwethenjelwa. Siqhubeka nokucwaninga futhi sithuthukisa izinqubo zethu zokukhiqiza, sigcina njalo ikhwalithi yomkhiqizo wethu phambili embonini. Ukukunikeza amavalvu okuhlola asezingeni eliphezulu kuwumgomo wethu ongaguquki.

Ukukhethwa kwezinto zokwakha izingxenye ze-BOPINI-Dual Plate Check Valve Kubalulekile ekusebenzeni kwayo nasekuphileni kwayo isikhathi eside. Umzimba, amadiski, isihlalo, izivalo, amahinji, kanye nemishayo kumele kwenziwe ngezinto ezihambisana nezidingo ezithile zohlelo lokusebenza, kucatshangelwa izici ezifana nokushisa, ingcindezi, uhlobo loketshezi, kanye nezimo zemvelo. Ngokukhetha ngokucophelela izinto ezisekelwe kulezi zici, onjiniyela bangaqinisekisa ukuthi ama-valve okuhlola amapuleti amabili asebenza ngokwethembeka, ngempumelelo, nangokunakekelwa okuncane, kunciphisa isikhathi sokungasebenzi futhi kwandise ukuphepha nokusebenza kohlelo.

1. Umzimba

Umzimba we-valve yokuhlola ipuleti elikabili yi-casing yangaphandle egcina izindlela zangaphakathi futhi inesibopho sokumelana nokucindezela kwangaphakathi namandla angaphandle. Ukukhethwa kwezinto zomzimba kubalulekile ukuqinisekisa ukuthi i-valve ingakwazi ukusingatha ukucindezela kokusebenza futhi imelane nokugqwala, ukuguguleka, kanye nokukhathala ngokuhamba kwesikhathi.

Izinto Ezivamile Zokuzikhethela:

Insimbi Yekhabhoni (ASTM A216 WCB): Insimbi yekhabhoni iyindlela ethandwayo yokukhetha izinto ezisetshenziswayo ezindikimbeni zamavalvu ngenxa yamandla ayo, ukuqina kwayo, kanye nokusebenza kahle kwezindleko. Ifanele ukusetshenziswa lapho uketshezi lungagqwali noma lapho ingcindezi kanye nokushisa kuphakathi. Kodwa-ke, inokumelana okulinganiselwe nokugqwala uma kuqhathaniswa nezinye izinto.

Insimbi Engagqwali (ASTM A351 CF8, CF8M): Insimbi engagqwali iyinto esetshenziswa kakhulu emzimbeni ezindaweni lapho kudingeka khona ukumelana nokugqwala. Amazinga ensimbi engagqwali njenge-CF8 (304) kanye ne-CF8M (316) athandwa ngenxa yokumelana kwawo nokugqwala okuphezulu okuvela emanzini, amakhemikhali, nezinye izinto ezigqwali. Le nto ithandwa futhi ekusetshenzisweni kwezinga lokushisa eliphezulu ngenxa yamandla ayo emazingeni okushisa aphezulu.

Insimbi Ehlanganisiwe (ASTM A536): Insimbi ethambile iyindlela ehlukile esikhundleni sensimbi ephonswe futhi inikeza amandla angcono kanye nokumelana nokuguguleka. Isetshenziswa ezisetshenziswayo lapho kudingeka khona amandla aphezulu omshini kodwa ukumelana nokugqwala akubalulekile kangako. Lokhu okubalulekile kuvame ukutholakala kumavalvu amakhulu asetshenziswa ezitshalweni zokuhlanza amanzi.

Insimbi Yengxubevange (ASTM A217 WC6, WC9): Izinsimbi ze-alloy, njenge-WC6 kanye ne-WC9, zinikeza ukumelana okuthuthukisiwe emazingeni okushisa aphezulu kanye nengcindezi. Lezi zinto zilungele izitshalo zikagesi kanye nezimboni eziphatha uketshezi olushisa kakhulu, njengomusi noma uwoyela oshisayo.

Insimbi Ebunjiwe (I-ASTM A126 Class B): Insimbi ephothiwe iyindlela engabizi kakhulu yokusetshenziswa okunomfutho ophansi, okungaboli. Inikeza amandla amahle kodwa ayinawo ukumelana nokugqwala kwensimbi engagqwali noma ama-alloy. Ivame ukusetshenziswa emanzini nasemanzini angcolile lapho ukugqwala kungeyona inkinga enkulu.

2. Amadiski (Amapuleti)

Amadiski noma amapuleti evalvu yokuhlola amapuleti amabili ayizingxenye ezibalulekile ezivumela ivalvu ukuthi isebenze kahle. Ayajika ukuze avuleke noma avalwe kuye ngokuthi ukugeleza kuhamba kanjani. Izinto ezisetshenziswa kumadiski kumele ziqine, zibe lula, futhi zimelane nokuguguleka nokugqwala, njengoba amadiski ezwa ukucindezeleka okukhulu kwemishini kanye nokuguguleka ngenxa yendlela yokugeleza.

Izinto Ezivamile Zokuzikhethela:

Insimbi Engagqwali (ASTM A240 304, 316): Insimbi engagqwali isetshenziswa kabanzi kuma-disc ngenxa yamandla ayo amahle kakhulu, ukumelana nokugqwala, kanye nekhono lokubekezelela izindawo ezinzima. Insimbi engagqwali yohlobo lwe-Type 316 (CF8M) ithandwa kakhulu ekusetshenzisweni kwasolwandle noma kwamakhemikhali ngenxa yokumelana kwayo okuphakeme nokugqwala.

Ama-Nickel Alloys (i-Monel, i-Inconel): Ama-alloy asekelwe ku-nickel njenge-Monel (NiCu) kanye ne-Inconel (NiCr) anikeza amandla akhethekile kanye nokumelana kokubili namazinga okushisa aphezulu kanye nezindawo ezigqwalisayo. Lawa ma-alloy avame ukusetshenziswa ezimbonini ezibhekene nezimo ezimbi kakhulu, njengezimboni zamakhemikhali kanye ne-petrochemical.

Ithusi (C95400): Ithusi lisetshenziswa kwezinye izinhlelo zokusebenza ngenxa yokumelana kwalo nokugqwala okuphezulu emanzini olwandle nakwezinye izinto eziwuketshezi oluqinile. Livame ukusetshenziswa ezindaweni zasolwandle ngenxa yekhono lalo lokumelana nokugqwala kwamanzi anosawoti.

Ithusi le-Aluminium (C63000): Ithusi le-aluminium liyinto enamandla kakhulu enikeza ukumelana okuhle kakhulu nokugqwala, ikakhulukazi ezisetshenziswa olwandle kanye nasogwini lolwandle. Liphinde likwazi ukumelana kahle nokuguguleka nokuguguleka.

Insimbi Yekhabhoni (ASTM A105): Insimbi yekhabhoni ingasetshenziswa ezintweni zediski ezisetshenziswa kalula, ikakhulukazi uma uketshezi oluphathwayo lungaboli. Kuyindlela engabizi kakhulu yokukhetha izinto ezisetshenziswayo ezijwayelekile.

3. Isihlalo

Isihlalo siyingxenye lapho idiski ivala khona lapho ivalvu ivala. Izinto zesihlalo kumele zibe nokumelana okuhle kakhulu nokuguguleka nokuguguleka, kanye nezakhiwo ezinhle zokuvala ukuze kuvinjelwe ukuvuza. Izinto kufanele futhi zihambisane noketshezi oluthuthwayo.

Izinto Ezivamile Zokuzikhethela:

Insimbi Engagqwali (ASTM A351 CF8M): Insimbi engagqwali iyindlela ethandwayo yezihlalo zamavalvu ngenxa yamandla ayo kanye nokumelana nokugqwala. Iwusizo kakhulu ekusetshenzisweni okuphezulu, njengoba iqinisekisa ukuvalwa okuqinile futhi imelana nokugqwala ngokuhamba kwesikhathi.

Insimbi Eqinisiwe (HRC 50-60): Insimbi eqinile ivame ukusetshenziselwa izihlalo ezindaweni lapho i-flow medium ikhuhla khona noma lapho i-valve izobhekana nokujikeleza njalo. Ukuqina kwayo kunikeza ukumelana nokuguguleka, okuqinisekisa ukuthi i-valve igcina ikhono layo lokuvala ngokuhamba kwesikhathi.

Izifaki Zesihlalo (PFA, PTFE, Elastomers): Ngezinhlelo zokusebenza ezifaka amakhemikhali anamandla noma amazinga okushisa aphezulu, izinto ezithambile ezifana ne-PTFE (Polytetrafluoroethylene), i-PFA (Perfluoroalkoxy), noma ama-elastomer afana ne-Viton noma i-nitrile angasetshenziswa ezikhungweni zezihlalo. Lezi zinto zinikeza ukusebenza okuhle kakhulu kokuvala kanye nokumelana namakhemikhali, amafutha, kanye namazinga okushisa aphezulu.

Izembozo ze-Ceramic noma ze-Cermet: Ezindaweni lapho ukuklwebheka okuphezulu kuyinkinga, ukugqoka kwe-ceramic noma i-cermet (inhlanganisela yokugqoka kwe-ceramic nensimbi) kungasetshenziswa ezihlalweni zamavalvu. Lokhu kugqoka kunikeza ukumelana okuthuthukisiwe kokuguguleka ngenkathi kugcinwa ukuvikelwa kokugqwala.

4. Amahinji kanye nama-Shaft

Indlela yokusebenza kwehinge iyisici esibalulekile ekusebenzeni kwevalvu yokuhlola amapuleti amabili, okuvumela amapuleti ukuthi avuleke noma avalwe. Amahinge kanye nemishayo kucindezelwa ngomshini futhi kumele kwenziwe ngezinto ezinikeza amandla aphezulu okudonseka kanye nokumelana nokuguguleka nokugqwala.

Izinto Ezivamile Zokuzikhethela:

Insimbi Engagqwali (ASTM A240 316L): Insimbi engagqwali ivame ukusetshenziswa kuma-hinge pin kanye nama-shaft ngenxa yezakhiwo zayo ezinhle kakhulu zemishini kanye nokumelana nokugqwala, ikakhulukazi ezindaweni zasolwandle noma ezinamakhemikhali anamandla. Uhlobo olunekhabhoni ephansi, i-316L, luthandwa kakhulu ekusetshenzisweni okuhlanganisa i-chlorine, i-brine, noma amanzi olwandle.

Insimbi Yengxubevange (ASTM A182 F11, F22): Insimbi ye-alloy isetshenziswa uma kudingeka amandla engeziwe. Le nto ifaneleka kahle ukusetshenziswa komfutho ophezulu futhi ingamelana nokucindezeleka okukhulu kwemishini.

Ithusi (C95400): Ithusi, ikakhulukazi amazinga anamandla aphezulu njenge-C95400, lingenye indlela yezinto ezibonakalayo zama-hinges nama-shafts, okunikeza ukumelana okuhle kakhulu nokugqwala kanye nokuguguleka kwezicelo zasolwandle kanye nolwandle.

5. Izivalo nama-Gasket

Izivalo nama-gasket kubalulekile ekuvimbeleni ukuvuza lapho ivalvu ivaliwe. Izinto ezikhethiwe kumele zinikeze isivalo esiqinile ngenkathi zimelana nokushintshashintsha kwezinga lokushisa, izinguquko zokucindezela, kanye nokuchayeka kumakhemikhali.

Izinto Ezivamile Zokuzikhethela:

I-PTFE (i-Polytetrafluoroethylene): I-PTFE isetshenziswa kabanzi ezivalweni ngenxa yokumelana kwayo okumangalisayo kwamakhemikhali, ukuzinza kokushisa okuphezulu, kanye nezakhiwo zayo zokungqubuzana eziphansi. Ivame ukusetshenziswa kuma-valve aphatha amakhemikhali anolaka, uwoyela, noma amagesi.

I-Viton (FKM): I-Viton iyirabha yokwenziwa enikeza ukumelana okuhle kakhulu namazinga okushisa aphezulu kanye namakhemikhali. Ivame ukusetshenziswa embonini yamakhemikhali kanye namafutha lapho kukhona khona uketshezi olunamandla.

I-Nitrile (Enhle-N): I-Nitrile iyinto yokuvala engabizi kakhulu, esetshenziswa kabanzi ezindaweni lapho uketshezi lusekelwe kuphethiloli. Inikeza ukumelana okuhle namafutha, uphethiloli, kanye nezinye izinto ezikhipha ama-hydrocarbon.

I-EPDM (i-Ethylene Propylene Diene Monomer): Izivalo ze-EPDM zivame ukusetshenziswa ezisetshenziswayo ezifaka umusi, amanzi, kanye nezinye izinto eziwuketshezi ezibandayo. Zimelana nokushisa, i-ozone, kanye namazinga okushisa aphezulu, kodwa azifaneleki emikhiqizweni esuselwe kuphethiloli.