Izinhlelo zamanzi zikamasipala zidinga ama-valve aqinile ukuze kugeleze kakhulu, kushintshe umfutho, futhi kube nezimo ezihlukahlukene.Amavalvu ebhabhathanezithandwa kakhulu kumapayipi aphakathi kuya kwamakhulu ngenxa yomklamo wawo omncane, isenzo esisheshayo, kanye nokusebenza kahle kwezindleko.
Kodwa ukukhetha eyodwa akukhona nje ngobukhulu—izinto zokwakha, idiski, isihlalo, ukuxhumana, isilinganiso sokucindezela, ukusebenza, kanye nokufakwa konke kuthinta ukuthembeka kwesikhathi eside. Ivalvu esebenza esakhiweni esincane ingase ingasebenzi kahle endaweni enkulu yokudlulisela, esiteshini sokupompa, noma endaweni yokukhipha amanzi.
Lesi sihloko sihlanganisa ukusetshenziswa kwe-butterfly valve ekuhlinzekweni kukamasipala, imininingwane ebalulekile, kanye nezindlela zokugwema izinkinga ezivamile njengokuvuza, ukusebenza kanzima, ukulahlekelwa umfutho, kanye nokuguguleka kwesihlalo kusenesikhathi.
I. KunganiAmavalvu OvemvaneZivamile Ezinhlelweni Zamanzi Zikamasipala
Kumanethiwekhi kamasipala, ama-valve e-butterfly asetshenziswa kabanzi kumapayipi amakhulu ukuze ahlukaniswe, alawulwe, futhi aphampe, enikeza izinzuzo ezintathu eziyinhloko ngaphezu kwama-valve esango:
1. Usayizi omncane:ubukhulu obufushane bokubhekana ubuso nobuso bugcina isikhala emakamelweni e-valve nasezindaweni ezingaphansi komhlaba.
2. Ukusebenza okusheshayo:ivalvu yebhabhathane idinga ukujikeleziswa ngo-90° kuphela ukuze ivuleke futhi ivalwe, futhi ngegiya lezibungu noma i-actuator kagesi/ye-hydraulic, ukusebenza kobubanzi obukhulu kulula.
3. Ukusebenza kwezindleko okungcono:Isisindo esilula sinciphisa izindleko zezinto zokwakha, ezokuthutha, kanye nezokufaka, okwandisa amaphrojekthi amakhulu.
Noma kunjalo, azifaneleki kuzo zonke izindawo. Idiski ihlala endleleni yokugeleza, okubangela ukwehla kwengcindezi, futhi izinhlobo ezithambile zingaguga ngokushesha emanzini anesihlabathi noma agcwele uthuli. Buyekeza njalo izimo zendawo ngaphambi kokukhetha.
II. Izicelo Ezijwayelekile Ekuhlinzekweni Kwamanzi KaMasipala
Ukuhlinzekwa kwamanzi kamasipala akuyona into eyodwa esebenzayo. Uhlelo lwamanzi lwedolobha lungafaka phakathi ukungenisa amanzi angavuthiwe, amapayipi ezitshalo zokuhlanza, izindawo zokugcina amanzi ahlanzekile, imigudu yokudlulisa amanzi, iziteshi zokupompa amanzi, amanethiwekhi okusabalalisa amanzi, kanye nemigqa yamagatsha. Ama-valve e-butterfly angasetshenziswa kwezinye zalezi zindawo, kodwa izidingo zomklamo azifani ngaso sonke isikhathi.
III. Amapayipi Ezitshalo Zokuhlanza Amanzi
Ezitshalweni zokuhlanza amanzi, ama-valve e-butterfly avame ukusetshenziselwa ukungena nokuphuma kwamanzi, ukuhlunga, ukuhlanza ngemuva kanye nokulawula izinqubo. Adinga ukusebenza njalo, ukuvala okuthembekile kanye nokumelana nokugqwala. Imizimba yama-valve ensimbi e-ductile embozwe nge-epoxy ivame ukusetshenziselwa amanzi ahlanzekile namanzi ahlanziwe. Izihlalo zama-valve e-EPDM zifanelekela amanzi okuphuza kanye nezimo zokusebenza ezijwayelekile. Amakhemikhali akhethekile noma amazinga okushisa aphezulu adinga ukuqinisekiswa okwengeziwe.
IV. Iziteshi Zokuphampa
Isiteshi sokupompa siyindawo ebalulekile yokukhetha ama-valve. Ama-valve e-Butterfly asetshenziswa kumapayipi okumunca, amapayipi okuphuma, amapayipi okudlula kanye nezingxenye zokuhlukanisa. Kudingeka kube lula ukuwasebenzisa futhi akwazi ukumelana nokushintshashintsha kwengcindezi ngesikhathi sokuqalisa nokuvala. Epayipini lokuphuma kwamanzi, ama-valve e-butterfly avame ukusebenzisana nama-valve okuhlola ukuvimbela ukugeleza kwamanzi emuva; ukuma kwephampu ngokuzumayo kungabangela isando samanzi, ngakho-ke isivinini sokuvala kanye nokulawula i-actuator kudingeka kucatshangelwe ngokucophelela.
Imigqa Yokudayisa Amanzi kanye Nezindawo Zokuphuma Zamathangi e-V.
Amavalvu e-Butterfly asetshenziswa nasezindaweni zokugcina amanzi ahlanzekile. Avame ukuvulwa isikhathi eside futhi avalwe kuphela ukuze kulungiswe. Ukuvalwa kwesikhathi eside, ukucindezela kanye nokulwa nokugqwala kumele kunakwe. Uma ivalvu ingasetshenziswa kaningi, eminyakeni eminingi ibhokisi legiya lingabhajwa, isihlalo sevalvu singase siguge, noma isiqu sevalvu singase sigqwale, okuthinta ukusebenza. Ngakho-ke, amaphrojekthi kamasipala akufanele abheke nje intengo yokuthenga, kodwa futhi acabangele nokulula kokugcinwa kwesikhathi esizayo.
VI. Ukuhlukaniswa Kwenethiwekhi Yokusabalalisa
Kumanethiwekhi okusabalalisa amanzi kamasipala, ama-valve asetshenziselwa ukwahlukanisa ukuze kuncishiswe ububanzi bokunqamuka kwamanzi ngesikhathi sokulungiswa. Ama-valve e-Butterfly afanelekela izindawo zokuhlukaniswa ezinobubanzi obukhulu ngenxa yobukhulu bawo obuncane kanye nesisindo esincane. Uma ufaka ngaphansi komhlaba noma emthonjeni we-valve, indlela yokusebenza idinga ukukhethwa ngokusekelwe ekufinyelelekeni: ama-wren asetshenziswa ngesandla awafaneleki ububanzi obukhulu, ukudluliselwa kwegiya lezibungu kuvame ukusetshenziswa, kanti izinhlelo ezikude noma ze-SCADA zihlonyiswe ngama-actuator kagesi.
VII. Izici Ezibalulekile Zokukhetha KomasipalaAmavalvu Ovemvane
Ivalvu yebhabhathane yamanzi kamasipala kufanele ikhethwe ngokusekelwe ezimweni zangempela zokusebenza kunokuba isekelwe kububanzi obujwayelekile kuphela. Amaphuzu alandelayo avame ukubuyekezwa ngesikhathi sobunjiniyela noma sokuthenga.
1. Uhlobo lwe-Valve kanye nokuxhumeka kokuphela
Izinhlobo zokuxhumanisa amavalvu ebhabhathane ezivamile zifaka phakathi i-wafer, i-lug, uhlobo lwe-U, kanye nemiklamo e-double flanged. Uhlobo ngalunye lunezici zokufaka ezihlukile.
- I-Wafer Type Butterfly Valve:isakhiwo esincane, izindleko eziphansi, ezisetshenziselwa ukwakha, ukupholisa umoya kanye nemigqa yokusiza kamasipala; noma kunjalo, uhlobo lweflange noma uhlobo lwe-lug lunconywa kumaphrojekthi agqitshwe noma anzima.
- I-LugTyeboI-Butterfly Valve:ngezigxobo ezinezintambo, ezingafakwa nhlangothi zombili, okwenza kube lula ukuqaqa ipayipi ohlangothini olulodwa futhi lifanelekele izingxenye zokulungisa.
- OkubiliFi-langed I-Butterfly Valve: isetshenziselwa amapayipi amakhulu anobubanzi obukhulu, izitshalo zamanzi kanye neziteshi zokupompa, ngokuxhumeka okuqinile, ukumelana okuhle kokudlidliza kanye nokuqina okuphezulu.
2. Isilinganiso Sokucindezela
Ama-PN10, i-PN16 noma i-Class 150 avame ukusetshenziswa kumapayipi amanzi kamasipala. Ukukhetha akufanele kubheke nje kuphela ingcindezi yokusebenza evamile, kodwa futhi kucabangele nezimo zokusebenza zesikhashana njengesando samanzi, ingcindezi yokuma kwephampu kanye nomehluko wokuphakama. Isibonelo, yize ingcindezi evamile yephayiphi iphansi kune-PN10, ukushaqeka kwengcindezi okubangelwa ukuqala nokuma kwephampu kungadinga izinga eliphezulu. Ingcindezi yokusebenza kanye nengcindezi yokuhlola kufanele kuqinisekiswe ngesikhathi esifanayo ngaphambi kokukhetha.
3. Izinto Zomzimba Nokumboza
Umzimba wama-valve e-butterfly wamanzi kamasipala uvame ukwenziwa ngensimbi ethambile, enamandla nokuqina okungcono kunensimbi empunga futhi efanelekela izinhlelo ezithwala ingcindezi. Amanzi ahlanzekile namanzi okuphuza avame ukumbozwa nge-epoxy resin ehlanganisiwe yokulwa nokugqwala. Insimbi ethambile yamanzi kamasipala avamile ingabizi kakhulu; uma kuhileleke amanzi olwandle, amanzi anosawoti noma amanzi agqwala kakhulu, kudingeka kucatshangelwe izinto zensimbi engagqwali noma zethusi le-aluminium.
4. Izinto zeDiski
Idiski yebhabhathane ithintana ngqo nomzimba wamanzi, futhi izinto zayo zithinta ukumelana nokugqwala kanye nokusebenza kokuvala. Izinto ezisetshenziswa kakhulu zifaka insimbi ehlanganisiwe, i-SS304, i-SS316 kanye nethusi le-aluminium. Izinhlelo zamanzi ahlanzekile ezijwayelekile zingakhetha amapuleti ebhabhathane ehlanganisiwe noma ensimbi engagqwali, kuye ngesabelomali kanye nezimo zokusebenza; ngekhwalithi yamanzi ehlanganisiwe noma amaphrojekthi asogwini, kunconywa i-SS316 noma ithusi le-aluminium ukuze kuhlale isikhathi eside.
5. Izinto Zesihlalo
I-EPDM iyindlela yokuqala yokukhetha ama-valve e-butterfly avaliwe kahle emanzini kamasipala, angangeni manzi futhi alwa nokuguga. I-NBR ayivamisile ukusetshenziswa emanzini okuphuza; i-PTFE inokumelana okuhle kwamakhemikhali kodwa ayinwebeki kahle futhi isetshenziswa kakhulu ezimweni zamakhemikhali noma ezikhethekile. Ukukhetha isihlalo se-valve okungalungile kungabangela ukuvuza, ukwanda, ukuqina noma ukulahlekelwa uphawu.
6. Indlela Yokusebenza
Ama-valve amancane e-butterfly angasebenzisa izibambo, futhi ububanzi obukhulu bukamasipala buvame ukudinga ukudluliselwa kwegiya le-worm ukuze kongiwe umsebenzi futhi kube lula ukulawula ukuvulwa. Ukulawula kude ngama-actuator kagesi, omoya noma we-hydraulic ozikhethela wona. Iziteshi zokupompa kanye namanethiwekhi epayipi azenzakalelayo kudingeka anqume ngokucophelela isikhathi sokuvala i-actuator: ngokushesha kakhulu kungabangela isando samanzi, futhi ukuhamba kancane kakhulu kungase kungahlangabezani nezidingo zokulawula. Imininingwane idinga ukunqunywa ngokusekelwe kubude bepayipi, izinga lokugeleza, izici zepompo kanye nesu lokulawula.
VIII. Hlola Ukuhambisana Kwe-Flange
Ngaphambi kokufakwa, indinganiso yeflange, ukuhlelwa kwembobo yebholidi, ubuso begasket, kanye nobukhulu bobuso nobuso kufanele kuqinisekiswe. Izindinganiso zeflange ezivamile zifaka phakathi i-EN, i-DIN, i-ANSI, i-JIS, kanye ne-AS. Uma ukubhoboza iflange kungafani nomzimba wevalvu, ukufakwa okuphoqelelwe kungalimaza ivalvu noma kudale ukuvuza ekuxhumekeni kweflange.
IX. Gcina iDiski Icacile Ngesikhathi Sokufakwa
Idiski yevalvu yebhabhathane ijikeleza ngaphakathi kwepayipi. Ngesikhathi sokufakwa, kumele kube nendawo eyanele ukuze idiski ivuleke ngokuphelele ngaphandle kokuthinta ipayipi, i-flange, i-gasket, noma i-lining. Lokhu kubaluleke kakhulu kumavalvu ebhabhathane e-wafer kanye nezinhlelo zamapayipi anemigqa.
X. Gwema Ukucindezeleka Okukhulu Kwepayipi
I-valve akufanele isetshenziselwe ukulungisa ukungahambi kahle kwephayiphi. Uma iphayiphi ingasekelwa kahle, ukucindezeleka okukhulu kungadluliselwa emzimbeni we-valve kanye nokuxhumeka kwe-flange. Ngokuhamba kwesikhathi, lokhu kungabangela ukuvuza, ukusebenza okunzima, noma ukulimala kwesihlalo.
XI. Hlanza Ipayipi Ngaphambi Kokusebenza
Amapayipi kamasipala angase abe ne-slag yokushisela eseleyo, isihlabathi kanye neminye imfucuza ngaphambi kokuba aqaliswe ukusebenza. Uma edlula ku-valve ngesikhathi sokusebenza, indawo yokuvala izoklwebheka. Ngakho-ke, ukuhlanza ipayipi ngaphambi kokuliqalisa ukusebenza kuyisinyathelo esilula kodwa esibalulekile.
XII. Izinkinga Ezivamile Ekusetshenzisweni Kwevalvu Yezimvemvane Zikamasipala
Kumaphrojekthi wamanzi wangempela, izinkinga zamavalvu e-butterfly zivame ukubangelwa ukuhlanganiswa kwezici zokukhetha, ukufaka, kanye nokunakekela. Izinkinga ezilandelayo zivame ukubonakala:
1. Ukuvuza kwangaphakathi
Kusenamanzi adlulayo ngemva kokuvala. Isizathu kungaba ukuthi isihlalo sevalvu sigugile, ipuleti lebhabhathane lonakele, imfucumfucu inamathele endaweni yokuvala, izinto azifanele, noma i-actuator ayilungiswanga endaweni yayo. Ukuvuza kwangaphakathi ezinhlelweni zikamasipala kuvame ukuba nzima ukukubona futhi kuvezwa kuphela uma ingxenye yokuhlukaniswa ingenakukwazi ukukhipha amanzi ngesikhathi sokulungiswa.
2. KwangaphandleUkuvuza
Kwenzeka ekuxhumeni kwe-flange, iziqu ze-valve noma imithungo yomzimba we-valve. Ukuvuza kwe-flange kubangelwa kakhulu yi-gasket, ukuqina kwe-bolt, ukulungiswa kwe-flange noma izinkinga zokucindezeleka kwephayiphi; ukuvuza kwe-valve stem kuhlobene kakhulu nokuguguleka kokupakisha noma ukungakhululeki kwesikhathi eside ezimweni zokusebenza.
3. Kunzima ukusebenza
Kungase kubangelwe ukulimala kwebhokisi lamagiya, ukugqwala kwesiqu sevalvu, ukuguquka kwesihlalo sevalvu, ukuqongelela kwemfucumfucu noma umehluko omkhulu wokucindezela. Amavalvu amakhulu obubanzi akufanele asetshenziswe ngamandla ukuze kugwenywe ukulimaza ibhokisi lamagiya noma isiqu sevalvu.
4. Isando samanzi nokudlidliza
Ukuvalwa okusheshayo, ukuma kwephampu, ukugeleza okuphambene noma izinga lokugeleza eliphezulu kungabangela isando samanzi. Iziteshi zokupompa kanye namapayipi ahamba ibanga elide kufanele ahlolwe ngesikhathi sokuklama. Kungaxazululwa ngokuphelele ngokulungisa isikhathi sokuvala, ukukhetha ama-valve okuhlola, ukusetha ama-valve okukhipha umoya, amathangi okuqinisa ingcindezi kanye nokwenza ngcono i-logic yokulawula.
XIII. Uhlu Lokuhlola Ukuthengwa Kwemisebenzi Yamanzi Kamasipala
Ukunikeza ulwazi oluphelele lapho ubuza imibuzo kungasiza ekunciphiseni ukungaqondani futhi kuvumele abakhiqizi ukuthi bancome ukucushwa okufanele.
- Ububanzi obujwayelekile, njenge-DN200
- Isilinganiso sokucindezela, njenge-PN10, i-PN16, noma i-Class 150
- Uhlobo lokuxhuma, njenge-wafer, i-lug, uhlobo lwe-U, noma i-double flanged
- Izinga le-Flange, njenge-EN 1092-2, ANSI B16.5, JIS 10K, noma i-AS2129
- Okuphakathi nendawo, njengamanzi aluhlaza, amanzi ahlanziwe, amanzi aphuzwayo, noma amanzi olwandle
- Izinga lokushisa lokusebenza kanye nengcindezi yokusebenza evamile
- Izidingo zomzimba, idiski, isiqu, kanye nezinto zesihlalo
- Indlela yokusebenza, njengesibambo, igiya lezibungu, i-actuator kagesi, noma i-actuator ye-hydraulic
- Izidingo zokumboza, ikakhulukazi kuma-valve ensimbi athambile
- Izidingo zesitifiketi noma zokuhlola, njengemibiko yokuhlolwa kwengcindezi noma izitifiketi zezinto ezibonakalayo
Ukucacisa imininingwane kusengaphambili kungagwema inkinga yokwehluka okukhulu kwamanani ama-valve asezingeni elifanayo ngenxa yezinto zokwakha ezahlukene, izihlalo zama-valve, amazinga e-flange kanye namazinga okuhlola.
XIV. Isikhathi Sokusebenzisa Ama-Gate Valve Noma Ukuhlola Ama-Valve Kanye
Izinhlelo zamanzi zikamasipala zivame ukudinga ukusetshenziswa kwamavalvu ahlukahlukene, njengamavalvu ebhabhathane, amavalvu esango avala kalula, amavalvu okuhlola, amavalvu okunciphisa umfutho,i-valve yokukhipha umoyakanye nezihlungi, ngasinye sinendawo yaso efanele.
- I-valve yesango:isetshenziselwa izingxenye zamapayipi ezidinga ububanzi obugcwele kanye nokulahlekelwa amanzi okuphansi.
- I-valve yokuhlola:Kusetshenziswa ukuvimbela ukugeleza kwamanzi emuva, ikakhulukazi endaweni yokupompa.
- I-valve yokunciphisa ukucindezeleka:isetshenziselwa ukulawula ingcindezi yendawo.
- I-valve yebhabhathane:ifaneleka ngezikhathi ezinesikhala esincane, ukusebenza okusheshayo kanye nokusebenza okubiza kakhulu.
Amavalvu e-Butterfly avame ukusetshenziswa njengamavalvu okuhlukanisa eziteshini zokupompa, futhi amavalvu okuhlola nawo afakwe ukuvimbela ukugeleza kwamanzi emuva. Ukulinganisa lawa mavalvu njengohlelo lonke kunokuba kucatshangelwe ngawodwana kuzoholela ekuthembekeni okuphezulu kokusebenza.
Isiphetho se-XV.
Amavalvu ebhabhathanezidlala indima ebalulekile ezinhlelweni zokuphakelwa kwamanzi zikamasipala, ikakhulukazi ezitshalweni zokuhlanza amanzi, eziteshini zokupompa amanzi, ezindaweni zokugcina amanzi, emigqeni yokudlulisa amanzi, kanye nasezinkundleni zokusabalalisa amanzi. Isakhiwo sazo esincane, isisindo esiphansi, ukusebenza okusheshayo, kanye nezindleko ezincintisanayo kuzenza zifanelekele ukusetshenziswa kwamapayipi amanzi amaningi anobubanzi obuphakathi nobukhulu. Siyakwamukela ukubuza.
Isikhathi sokuthunyelwe: Agasti-05-2026
