"I-Pneumatic" ibhekisa kwindlela yokusebenza, esebenzisa umoya ocinezelweyo ukusebenzisa ivalvu, ivumela ulawulo olukude okanye oluzenzekelayo.
Ivalvu yebhabhathane ejijekileyo luhlobo lohlobo loqhagamshelo, olune-integral flanges kumacala omabini omzimba wevalvu, oluvumela uqhagamshelo oluqinileyo lwebholiti kwi-flanges zepayipi.
Iivalvu zebhabhathane zentsimbi ephosiweyo kunye nentsimbi ethambileyo zisetyenziswa kakhulu ukulawula ukuhamba kwamanzi kumashishini ahlukeneyo, kodwa zahlukile kwiimpawu zezinto ezibonakalayo, ukusebenza, iindleko kunye nokusetyenziswa kwazo.
Yintoni umahluko phakathi kwevalvu yebhabhathane kunye nevalvu yokujonga ibhabhathane? Nangona zabelana ngamagama afanayo kwaye zombini zisebenzisa uyilo lohlobo lwediski, imisebenzi yazo, imisebenzi yazo, kunye nokusetyenziswa kwazo kwahlukile kakhulu.
Iivalvu zebhabhathane ezisebenzisa umoya, ezinoyilo olulula, ukusebenza ngokukhawuleza, kunye nokusebenza kakuhle kweendleko, ziye zaba yinxalenye ebalulekileyo yeenkqubo zanamhlanje zokufaka imibhobho.
Lo mgangatho upapashwe yi-BSI kwaye uhambelana nemigangatho yaseYurophu (EN), ubonelela ngesakhelo esibanzi soyilo, izixhobo, ubukhulu, uvavanyo, kunye nokusebenza kweevalvu zebhabhathane.
- DN150: Ububanzi obuqhelekileyo yi-150mm (bulingana nee-intshi ezi-6 kwi-NPS).
- 150lb / 150 / Udidi lwe-150: Uvavanyo loxinzelelo lwe-ANSI/ASME Udidi lwe-150 (malunga ne-150 psi, elingana ne-PN20 eTshayina/eJamani).
Eli nqaku lihlola umahluko ophambili, iingenelo, iingxaki, kunye nokusetyenziswa kweevalvu zebhabhathane ze-lug kunye ne-double flange ukukhokela inkqubo yakho yokwenza izigqibo.
- Umboniso: Umboniso weValve yezeMizi-mveliso
- Indawo: ICentro Citibanamex
- Inombolo yeSitendi: A231
- Umhla: 2-4, Septemba
• Isiganeko: ECWATECH 2025
• Imihla: Septemba 9–11, 2025
• Ibhuthi: 8C8.6
• Indawo: IZiko leMiboniso yaMazwe ngaMazwe laseCrocus Expo, eMoscow, eRashiya
Isishwankathelo sobubanzi beevalvu zeebhabhathane ezineendlela ezahlukeneyo zokunxibelelana kunye neentlobo zesakhiwo, ngokusekelwe kwimigangatho eqhelekileyo yoshishino kunye neendlela zokusetyenziswa. Ekubeni ububanzi obuthile bobubanzi bunokwahluka ngokuxhomekeke kumenzi kunye nemeko yesicelo (njengenqanaba loxinzelelo, uhlobo oluphakathi, njl.njl.), eli nqaku libonelela ngedatha yeevalvu ze-zfa.
Ivalvu yebhabhathane yivalvu ejika ikota. Isetyenziselwa ukulawula okanye ukwahlukanisa ukuhamba kolwelo kwiipayipi. Ivalvu yebhabhathane kwaye ngenxa yoyilo lwayo olulula kunye nokusebenza kakuhle kwaye kuzo zonke iinkalo zobomi.
Imvelaphi yegama le-butterfly valve: i-valve flap imile okwebhabhathane kwaye ibizwa njalo.
Phakathi kweentlobo ezahlukeneyo zeevalvu zeebhabhathane, iivalvu zeebhabhathane ezisebenza kakuhle (i-HPBV) kunye neevalvu zeebhabhathane eziqinileyo zezona zimbini ziqhelekileyo. Olu thelekiso luza kuhlalutya umahluko phakathi kwezi zimbini kwiinkalo ezahlukeneyo ukuze kucaciswe indima yazo kwizicelo zoshishino nezomasipala.
Ukuvuza kwevalvu yebhabhathane, ukusombulula ezi ngxaki kufuna indibaniselwano yokukhetha ivalvu efanelekileyo, ukufakelwa ngononophelo, ukugcinwa rhoqo, kunye nokwenza ngcono inkqubo. Ngokukhetha izixhobo ezifanelekileyo kwisicelo, ukulandela izikhokelo zokufakela kunye nokubeka esweni iimeko zokusebenza, abasebenzisi banokunciphisa kakhulu umngcipheko wokuvuza.
Iintlobo ngeentlobo zezinto zokuhlala zevalvu zineempawu ezahlukeneyo zomzimba nezekhemikhali kwaye zifanelekile kwiimeko ezahlukeneyo zokusebenza. Kweli nqaku, sifunda kwaye sithelekise iintlobo eziphambili, ukusebenza kunye nokusetyenziswa kwezihlalo zevalvu ezithambileyo.
Kweli nqaku, siza kujonga abavelisi beevalvu zebhabhathane ezi-7 eziphezulu eTshayina size senze uhlalutyo oluneenkcukacha kwiinkalo zesatifikethi kunye neziqinisekiso, umgangatho wemveliso, amandla emveliso kunye nokuhanjiswa kwayo, ukukhuphisana kwamaxabiso, amandla obuchwephesha, inkonzo yasemva kokuthengisa, kunye nodumo lwemarike.
Uhlalutyo olunzulu lomahluko phakathi kwemigangatho ye-API 607 kunye ne-API 608, ukuqonda amanqaku obuchwephesha aphambili okukhethwa kweevalvu zoshishino, kubandakanya iimfuno zamva nje zovavanyo kunye nezikhokelo zokuthobela umthetho.
Ivalvu yebhabhathane sisixhobo esilawula ukuhamba kombhobho. Ilawulwa ngokujikelezisa idiski ijika ngekota. Zihlala zisetyenziswa kwiindawo apho zivala ngokukhawuleza.
Kuyaziwa ukuba iivalvu zeebhabhathane zisebenza kakuhle kakhulu, zincinci kuyilo kwaye zingabizi kakhulu, ngoko ke zisetyenziswa kakhulu kumashishini ahlukeneyo. Nangona kunjalo, njengayo nayiphi na into yoomatshini, iivalvu zeebhabhathane nazo zinokungaphumeleli. Ukusilela kwahlulwe ngokwee-congenital kunye ne-acquired.
Kukho umahluko ocacileyo phakathi kwevalvu yebhabhathane yodidi A kunye nevalvu yebhabhathane yodidi B ngokwesakhiwo. Iivalvu zebhabhathane zodidi A ziluhlobo "oluxinzelelweyo", iivalvu zebhabhathane zodidi B ziluhlobo "oluchaseneyo".
Ukutshintsha izitywino zerabha kwiivalvu zebhabhathane yinkqubo entsonkothileyo efuna ulwazi lobuchwephesha, ukuchaneka, kunye nezixhobo ezifanelekileyo ukuqinisekisa ukuba ukusebenza kwevalvu kunye nokuthembeka kokutywina kuhlala kuhleli. Esi sikhokelo sinzulu seengcali kunye neengcali zokugcinwa kweevalvu sinika imiyalelo eneenkcukacha, iindlela ezilungileyo, kunye neengcebiso zokusombulula iingxaki.
Siyavuya ukuvakalisa ukuba inkampani yethu iza kubonisa iimveliso zethu zamva nje kunye nezinto ezintsha kumboniso odumileyo we-R22, i-FENASAN, oza kubanjwa ukususela nge-22 ka-Okthobha ukuya kwi-24 ka-Okthobha ka-2024.
Ubunzima bevalvu yebhabhathane bubalulekile kuyilo olupheleleyo lwenkqubo. Buchaphazela ukufakwa, ukugcinwa, kunye nokusebenza kakuhle kwenkqubo iyonke. Yaziwa ngoyilo lwayo oluncinci kunye nolawulo olusebenzayo lokuhamba kwamanzi.
Iivalvu zebhabhathane ezisebenza kakuhle ziphucula indima ebalulekileyo edlalwa ziivalvu zebhabhathane kwimisebenzi yemizi-mveliso. Ezi valve zinokulawula ngokufanelekileyo ukuhamba kolwelo.
Sinimema ngokufudumeleyo ukuba nibekho kumboniso we-WASTETECH/ECWATECH ozayo, e8E8.2 IEC Crocus Expo, eMoscowkuvuliwe10-12 Septemba, 2024.
Qonda indlela iivalvu zebhabhathane ezilawula ngayo ukuhamba kolwelo ngediski ejikelezayo. Hlola izisombululo ze-ZFA ezingabizi kakhulu nezingadingi kulungiswa kakhulu kwiinkqubo ezinkulu zolwelo.
Umsebenzi oyintloko wevalvu yebhabhathane kukudibanisa okanye ukunqumla ukujikeleza kwesixhobo sombhobho, ukutshintsha indlela yokuhamba kwesixhobo, ukulungisa uxinzelelo kunye nokuhamba kwaso, kunye nokuseta iivalvu ezahlukeneyo, ezinkulu nezincinci, kwinkqubo. Ukwazi indlela yokulinganisa ubungakanani bevalvu yebhabhathane kunokuthintela ukungasebenzi kakuhle kunye neempazamo ezibizayo.
Inkqubo yokufakela ivalvu yebhabhathane ibandakanya amanyathelo aliqela abalulekileyo. Ukucoca ngaphambi kokufakela, ukulungelelanisa kakuhle, ukulungisa kunye nokuhlolwa kokugqibela kuqinisekisa ukusebenza kakuhle.
Inkqubo yokufakela ivalvu yebhabhathane ibandakanya amanyathelo aliqela abalulekileyo. Ukucoca ngaphambi kokufakela, ukulungelelanisa kakuhle, ukulungisa kunye nokuhlolwa kokugqibela kuqinisekisa ukusebenza kakuhle.
Ezi nkampani ezisemazantsi zigxile kwimimandla yaseJiangsu, eZhejiang, eShanghai, ikakhulu zivelisa iivalvu zesango ezivalwe ngokuqinileyo, ngelixa elasemantla ligxile kwimimandla yaseBeijing, eTianjin, naseHebei, ikakhulu zivelisa iivalvu zesango ezivalwe ngokuthambileyo.
Eli nqaku liza kwazisa ngeentlobo ezahlukeneyo zeevalvu zokujonga kunye nezinto ekufuneka ziqwalaselwe ngokweenkcukacha malunga nemiyalelo yokuzifaka.
Kolu thelekiso lupheleleyo, siza kujonga nzulu uyilo, iingenelo, iingxaki kunye nokusetyenziswa kwezi valve zimbini.
Eli nqaku liza kuxoxa ngomahluko phakathi kweevalvu zebhabhathane kunye neevalvu zesango ngokweenkcukacha, ngokwemigaqo, ukwakheka, iindleko, ukuqina, ukulawulwa kokuhamba kwamanzi, ukufakelwa kunye nokugcinwa.
ukuba indawo yokungena kombhobho incinci kwaye uxinzelelo luphantsi, DN≤2000, sicebisa ivalvu yebhabhathane ye-wafer;Ukuba indawo evulekileyo yombhobho yanele kwaye uxinzelelo luphakathi okanye luphantsi, i-DN≤3000, kucetyiswa ivalvu yebhabhathane yeflange.
Ukuba ubushushu buphezulu kakhulu kwaye akukho ziqwenga zikhulu, ungakhetha ivalvu yebhabhathane evalwe ngentsimbi yonke.Ngaphandle koko, nceda ukhethe ivalvu yebhabhathane yokutywina enezingqimba ezininzi enexabiso eliphantsi.
Kweli nqaku, siza kujonga ingcamango yomlinganiselo ophezulu woxinzelelo olunokumelana nevalvu yebhabhathane, size sifunde impembelelo kuxinzelelo olulinganisiweyo kwizinto ezifana noyilo lwevalvu yebhabhathane, izinto ezisetyenzisiweyo, ukutywinwa, njl.njl.
Ukuba ubushushu buphezulu kakhulu kwaye akukho ziqwenga zikhulu, ungakhetha ivalvu yebhabhathane evalwe ngentsimbi yonke.Ngaphandle koko, nceda ukhethe ivalvu yebhabhathane yokutywina enezingqimba ezininzi enexabiso eliphantsi.
Inkqubo yokuhlanganisa ivalvu yebhabhathane yinkqubo elula kodwa enzima. Ivalvu yebhabhathane isebenza ngendlela eqhelekileyo kuphela xa inyathelo ngalinye lenziwe ngononophelo. Oku kulandelayo yinkcazo emfutshane yenkqubo yokuhlanganisa ivalvu yebhabhathane ye-wafer.
Ukulungiswa kwevalvu yebhabhathane kunokwahluka ngokuxhomekeke kuhlobo lomonakalo okanye ukusilela. Kunokwahlulwahlulwa ngokulungiswa, ukulungiswa ngokubanzi kunye nokulungiswa okunzima.
Ixesha lokuvula nelokuvala kwevalvu yebhabhathane linxulumene nesantya sokusebenza kwe-actuator, uxinzelelo lolwelo kunye nezinye izinto.
t=(90/ω)*60,
Ivalvu yesango yivalvu esetyenziselwa UKUVULA NOKUVALA ukuhamba kolwelo olukwipayipi. Ivula okanye ivale ivalvu ngokuphakamisa isango ukuvumela okanye ukuthintela ukuhamba kolwelo. Kufuneka kugxininiswe ukuba ivalvu yesango ayinakusetyenziswa ukulawula ukuhamba kolwelo.
Kukho iintlobo ezininzi zeediski zeevalvu zeebhabhathane ngokwendlela ezisetyenziswa ngayo iivalvu zeebhabhathane, ubukhulu obuqhelekileyo beevalvu zeebhabhathane kwisitokhwe buvela kwi-DN50-DN600, ngoko ke siza kwazisa iidiski zeevalvu ngokweesayizi ezisetyenziswa rhoqo.
Zithini umahluko, iingenelo kunye nokungalungi kwevalvu yebhabhathane kunye nevalvu yebhola?Kule nqaku, siyayihlalutya ngokwemiba yesakhiwo, umgaqo, ububanzi bokusetyenziswa kunye nokutywinwa.
Ishishini leevalvu laseTshayina belisoloko lilinye lamashishini aphambili kwihlabathi. Kule marike inkulu, zeziphi iinkampani ezibalaseleyo neziba zezona zilishumi ziphambili kwishishini leevalvu laseTshayina?
Oku kuxhomekeke kakhulu kwinqanaba lokuthulisa. Iivalvu zokujonga ukuthulisa zisusa ingxolo kwaye zinciphise ingxolo kuphela. Iivalvu zokujonga ezithuleyo zinokukhusela kwaye zithulise ingxolo ngokuthe ngqo xa zisetyenziswa.
uxinzelelo lovavanyo > uxinzelelo oluqhelekileyo > uxinzelelo loyilo > uxinzelelo olusebenzayo.
Umgaqo osebenzayo wevalvu yebhabhathane yombane kukuqhuba isixhobo sokudlulisa umbane kwimoto ukuze sijikeleze ipleyiti yevalvu, ngaloo ndlela sitshintsha indawo yetshaneli yolwelo emzimbeni wevalvu kwaye silawule ukuhamba kwamanzi.
Ngokophando nohlalutyo, ukugqwala yenye yezinto ezibalulekileyo ezibangela umonakalo kwiivalvu zeebhabhathane.
Ngoko ke, unyango lokugquma umphezulu womzimba wevalvu kunye nepleyiti yevalvu yeyona ndlela yokukhusela engabizi kakhulu ekungcoleni kwimeko-bume yangaphandle.
Izitywino eziqinileyo zenziwe ngesinyithi, njengee-gaskets zesinyithi, iirings zesinyithi, njl.njl., kwaye ukutywinwa kwenziwa ngokungqubana phakathi kweesinyithi. Izitywino ezithambileyo zenziwe ngezinto ezithambileyo, ezifana nerabha, i-PTFE, njl.njl.
Iivalvu ezininzi zaseTshayina zithunyelwa kumazwe ahlukeneyo kwihlabathi liphela, kwaye uninzi lwabathengi bamanye amazwe abaqondi ukubaluleka kwenombolo yeevalvu zaseTshayina, namhlanje siza kukusa ekuqondeni okuthile, sinethemba lokuba inokunceda abathengi bethu.
Ukukhetha phakathi kwezi ntlobo zimbini zeevalvu zebhabhathane kuxhomekeke kwiimfuno ezithile zesicelo, kubandakanya imida yendawo, iimfuno zoxinzelelo, amaxesha okugcinwa, kunye nokuqwalaselwa kwebhajethi.
Ngokwendlela yokudibanisa iflange, umzimba wevalvu yebhabhathane wahlulwe ngokubanzi: uhlobo lwe-wafer A, uhlobo lwe-wafer LT, iflange enye, iflange ephindwe kabini, iflange yohlobo lwe-U.
Uhlobo lwe-wafer A luqhagamshelo lwemingxunya olungenamisonto, uhlobo lwe-LT olungaphezulu kwama-24" ludla ngokusebenzisa umzimba wevalvu yohlobo lwe-U onamandla angcono ukwenza uqhagamshelo olunemisonto, ekupheleni kombhobho kufuneka kusetyenziswe uhlobo lwe-LT.
Ivalvu yebhola enomfanekiso we-V inesivalo esinomfanekiso we-V kwelinye icala le-hemispherical valve core.
Ukuvulwa komjelo wokuhamba kwevalvu yebhola enomfanekiso we-O kungqukuva, ukumelana kwayo nokuhamba kuncinci, kwaye isantya sokutshintsha siyakhawuleza.
Kwinqaku elingaphambili, sithethe ngeevalvu zesango kunye neglobe, namhlanje sidlulela kwiivalvu zebhabhathane kunye neevalvu zokujonga, ezisetyenziswa kakhulu ekucoceni amanzi.
Ivalvu sisixhobo sokulawula umbhobho wolwelo. Umsebenzi wayo oyintloko kukudibanisa okanye ukunqumla ukujikeleza kombhobho wombhobho, ukutshintsha indlela ohamba ngayo umbhobho, ukulungisa uxinzelelo kunye nokuhamba kombhobho, kunye nokuseta iivalvu ezahlukeneyo, ezinkulu nezincinci, kwinkqubo. Isiqinisekiso esibalulekileyo sokusebenza okuqhelekileyo kombhobho kunye nezixhobo.
Ii-coefficients zokuhamba kwevalvu yokulawula (i-Cv, i-Kv kunye ne-C) zeenkqubo ezahlukeneyo zeeyunithi ziivalvu zokulawula phantsi koxinzelelo oluzinzileyo lomahluko, umthamo wamanzi ojikeleza kwiyunithi yexesha xa ivalvu yokulawula ivuliwe ngokupheleleyo, i-Cv, i-Kv kunye ne-C kukho ubudlelwane phakathi kwe-Cv = 1.156Kv, i-Cv = 1.167C. Eli nqaku labelana ngenkcazo, iyunithi, ukuguqulwa kunye nenkqubo epheleleyo yokufumana i-Cv, i-Kv kunye ne-C.
Isihlalo sevalvu yinxalenye esuswayo ngaphakathi kwevalvu, indima ephambili kukuxhasa ipleyiti yevalvu ivuleke ngokupheleleyo okanye ivalwe ngokupheleleyo, kwaye yenze i-sealing vice. Ngokwesiqhelo, ububanzi besihlalo bubungakanani be-valve caliber. Izinto zesihlalo sevalvu yebhabhathane zibanzi kakhulu, izinto ezisetyenziswa rhoqo zi-soft sealing EPDM, NBR, PTFE, kunye nezinto ze-metal hard sealing carbide. Okulandelayo siza kwazisa nganye nganye...
Ivalvu yokukhangela ibhekisa kwiindawo zokuvula nezokuvala zevalvu ejikelezayo kwaye ixhomekeke kubunzima bayo kunye noxinzelelo lwemidiya ukuvelisa isenzo sokuthintela ukuhamba okuphakathi kwevalvu. Ivalvu yokukhangela yivalvu ezenzekelayo, ekwaziwa ngokuba yivalvu yokukhangela, ivalvu yendlela enye, ivalvu engabuyiyo okanye ivalvu yokwahlukanisa.
Iivalvu zokujonga i-waferZikwaziwa ngokuba ziivalvu ze-backflow, iivalvu ze-backstop, kunye neevalvu ze-backpressure. Ezi ntlobo zeevalvu zivulwa kwaye zivalwe ngokuzenzekelayo ngamandla aveliswa kukuhamba kwesixhobo ngokwaso kwipayipi, eyinxalenye yohlobo lwevalvu ezenzekelayo.
Ivalvu yebhabhathane ngenxa yobukhulu bayo obuncinci kunye nesakhiwo sayo esilula, iye yaba yenye yeevalvu ezisetyenziswa kakhulu kushishino, ngakumbi nangakumbi zisetyenziswa kumandla ombane wamanzi, ukunkcenkceshela, unikezelo lwamanzi kunye nokuhambisa amanzi, ubunjineli bomasipala kunye nezinye iinkqubo zemibhobho, ezisetyenziselwa ukunqumla okanye ukulungelelanisa ukuhamba kokuhamba kweendaba ezijikelezayo ukuze zisetyenziswe. Emva koko ivalvu yebhabhathane ekusebenziseni iingxaki ezifuna ingqalelo kunye nezisombululo zento, namhlanje siya kuba siqonde ngokucacileyo.
Iivalvu zesango le-Soft seal kunye neevalvu zesango le-hard seal zizixhobo ezisetyenziswa kakhulu ukulawula nokuthintela ukuhamba kwamanzi, zombini zisebenza kakuhle ekuvaleni, zininzi iindlela ezisetyenziswa ngazo, kwaye zezinye zeemveliso abathengi abazithengayo ngakumbi. Abanye abaqalayo ukuthenga banokuba nomdla, ngokufanayo nevalvu yesango, yintoni umahluko phakathi kwazo?
Imigangatho ye-AWWA yi-American Water Works Association eyapapasha okokuqala amaxwebhu esivumelwano ngo-1908. Namhlanje, kukho iMigangatho ye-AWWA engaphezu kwe-190. Ukususela kumthombo ukuya kwindawo yokugcina, ukusuka ekucocweni ukuya ekusasazweni, iMigangatho ye-AWWA igubungela iimveliso kunye neenkqubo ezinxulumene nazo zonke iindawo zokunyanga nokubonelela ngamanzi. I-AWWA C504 yeyohlobo oluqhelekileyo, luhlobo lwevalvu yebhabhathane yesihlalo senkunkuma.
Iivalvu zebhabhathane ezinkulu zihlala zibhekisa kwiivalvu zebhabhathane ezinobubanzi obungaphezulu kwe-DN500, ezihlala ziqhagamshelwe ziiflanges, iiwafers. Kukho iintlobo ezimbini zeevalvu zebhabhathane ezinkulu: ivalvu yebhabhathane engqindilili kunye neevalvu zebhabhathane ezingaqhelekanga.
Izinto ezintathu ezingaqhelekanga zeTriple Eccentric Butterfly Valve zibhekisa kuzo:
Ubunzima bokuqala: umngxuma wevalvu ungasemva kwepleyiti yevalvu, nto leyo evumela ukuba itywinweing Ring ukuze ujikeleze isihlalo sonke xa sidibene.
Ukungafani kwesibini: i-spindle isuswa kwicala ukusuka kwi-center umgca womzimba wevalvu, othintela ukuphazamiseka ekuvulekeni nasekuvalweni kwevalvu.
Ukungabi nabuqhetseba kwesithathu: isihlalo ithintelwe kumgca ophakathi we-valve shaft, nto leyo esusa ukungqubana phakathiidiski kunye nesihlalo ngexesha lokuvala nokuvula.
Ivalvu yebhabhathane engaqhelekanga kabini ibizwa ngegama lezakhiwo zayo ezimbini ezingaqhelekanga. Ngoko ke injani isakhiwo sebhabhathane engaqhelekanga kabini?
Oko kubizwa ngokuba yi-double eccentric, i-eccentric yokuqala ibhekisa kwi-valve shaft engekho embindini womphezulu wokutywina, oko kuthetha ukuba isiqu singasemva kobuso be-valve plate. Oku kungqineka kwenza umphezulu woqhagamshelwano lwe-valve plate kunye nesihlalo se-valve ube ngumphezulu wokutywina, onqoba ngokusisiseko iintsilelo ezikhoyo kwii-butterfly valves ezixineneyo, ngaloo ndlela kuphelisa amathuba okuvuza kwangaphakathi kwindawo ephezulu nesezantsi phakathi kwe-valve shaft kunye nesihlalo se-valve.
Ivalvu yebhabhathane, ekwabizwa ngokuba yivalvu yeflap, sisakhiwo esilula sevalvu yokulungelelanisa, engasetyenziswa kwimibhobho yoxinzelelo oluphantsi ukuvala ukuhamba kwamanzi. Ijikeleza umjikelo wevalvu ukuze ivule kwaye ivale ivalvu.
Ngokweendlela ezahlukeneyo zoqhagamshelo, ingahlulwahlulwa ibe yivalvu yebhabhathane ye-wafer, ivalvu yebhabhathane ye-lug, ivalvu yebhabhathane ye-flange, ivalvu yebhabhathane edibeneyo, ivalvu yebhabhathane ye-screw thread, ivalvu yebhabhathane ye-clamp, njalo njalo. Phakathi kweendlela zoqhagamshelo ezisetyenziswa kakhulu kukho ivalvu yebhabhathane ye-wafer kunye nevalvu yebhabhathane ye-lug.
Ivalvu yebhabhathane eqhutywa ngomoya yenziwe yi-actuator ye-pneumatic kunye nevalvu yebhabhathane. Ivalvu yebhabhathane eqhutywa ngomoya isebenzisa umoya ocinezelweyo njengomthombo wamandla ukuqhuba isiqu sevalvu kunye nokulawula ukujikeleza kwediski ejikeleze umngxuma ukuze ivule kwaye ivale ivalvu.
Ngokwendlela isixhobo somoya esisebenza ngayo, singahlulwa sibe ziivalvu zebhabhathane ezisebenza ngomoya enye kunye neevalvu zebhabhathane ezisebenza ngomoya ezimbini.
I-Zhongfa Valve ngumvelisi ochwephesha weendawo zevalvu yebhabhathane kunye neevalvu zebhabhathane, eyasekwa ngo-2006, ibonelela ngeemveliso zeevalvu kunye neemveliso zeenxalenye zevalvu yebhabhathane kumazwe angaphezu kwama-20 emhlabeni, ngokulandelayo, i-Zhongfa Valve iza kuqalisa ukwazisa ngokweenkcukacha iindawo zevalvu yebhabhathane.
Iivalvu zebhabhathane zintsapho yeevalvu zentshukumo ezijikelezayo zekota ezisetyenziswa kwiipayipi, zihlala zihlelwa ngokwakhiwa kwazo kunye noqhagamshelo. I-ZFA yenye yabavelisi abadumileyo beevalvu zebhabhathane ze-wafer, abavelisi beevalvu zebhabhathane zeflange, kunye nabavelisi beevalvu zebhabhathane zelug eTshayina.
Iintlobo ngeNxibelelwano, ziintlobo ezine.
Ivalvu ye-ZFAiivalvu zebhabhathane zombanezahlulwe zibe ziindidi ezimbini ezilandelayo: iivalvu zebhabhathane ezisembindini kunye neevalvu zebhabhathane ezingaqhelekanga, phakathi kwazo iivalvu zebhabhathane ezisembindini zahlulwe zibe ziivalvu zebhabhathane ezizii-wafer, iivalvu zebhabhathane ezizii-lug kunye neevalvu zebhabhathane ezizii-flange.
Iivalvu zeebhabhathane zombane zihlanganiswa ngeevalvu zeebhabhathane kunye nezixhobo zombane. Zisetyenziswa kakhulu kwi-petroleum, iikhemikhali, amandla ombane, i-metallurgy, ukutya, amayeza, amalaphu, iphepha kunye neminye imimandla. Ezi valvu zihlala ziyigesi yendalo, umoya, umphunga, amanzi, amanzi olwandle kunye neoyile. Iivalvu zeebhabhathane ezisebenza ngenjini zisetyenziselwa ukulawula ukuhamba kwamanzi kunye nokunqumla i-medium kwimibhobho yemizi-mveliso.
Singabonelela ngezi ntlobo zilandelayo zeevalvu zebhabhathane ze-API609:
Ngokwendlela esinxibelelana ngayo, sinayoivalvu yebhabhathane eneflange ephindwe kabini,ivalvu yebhabhathane ye-waferkwayeivalvu yebhabhathane yelug;
Ngokwezinto eziphathekayo, singabonelela ngezinto zentsimbi ezithambileyo, izinto zentsimbi yekhabhoni, izinto zentsimbi engatyiwayo, izinto zobhedu, izinto zentsimbi ephindwe kabini;
Ngokwenkqubo, singabonelela ngevalvu yebhabhathane ye-API609 enomzimba wokuphosa kunye nomzimba wokuwelda.
I-PTFE Lining Valve eyaziwa ngokuba ziivalvu ezimelana nokugqwala ngeplastiki ene-fluorine, ziyiplastiki ene-fluorine ebunjiweyo eludongeni lwangaphakathi lweendawo ezithwala ivalvu yentsimbi okanye yentsimbi okanye umphezulu wangaphandle weendawo zangaphakathi zevalvu. Iiplastiki zeFluorine apha ziquka ikakhulu: iPTFE, iPFA, iFEP kunye nezinye. Ibhabhathane eline-FEP, ivalvu yebhabhathane ene-teflon kunye nevalvu yebhabhathane ene-FEP zihlala zisetyenziswa kwiindawo ezinamandla zokugqwala.
Iivalvu zethu zebhabhathane ze-wafer ziyahambelana nomgangatho we-valve wamazwe ngamazwe we-ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS njalo njalo. Ubungakanani DN40-DN1200, uxinzelelo oluqhelekileyo: 0.1Mpa~2.5Mpa, ubushushu obufanelekileyo: -30℃ ukuya kwi-200℃.
Sithumela ngaphandle kumazwe angama-22 anje nge-US, Russia, Canada, Spain njl.
n ngokwezinto eziphathekayo, intsimbi engagqwaliyoiivalvu zebhabhathanezifumaneka kwi-SS304, SS316, SS304L, SS316L, SS2205, SS2507, SS410, SS431, SS416, SS201. Ngokuphathelele ulwakhiwo, iivalvu zebhabhathane zentsimbi engagqwaliyo ziyafumaneka kwimigca ephakathi neyingaqhelekanga. Iivalvu zebhabhathane zentsimbi engagqwaliyo yomgca ophakathi ngokubanzi zenziwe ngentsimbi engagqwaliyo yomzimba wevalvu, ipleyiti yevalvu, kunye neshaft, kunye ne-EPDM okanye i-NBR yesihlalo sevalvu, Zenzelwe ikakhulu ukulawula ukuhamba kwamanzi kunye nokulawula imidiya ebolileyo, ngakumbi ii-asidi ezahlukeneyo ezinamandla, ezifana ne-sulfuric acid kunye ne-aqua regia.