Inkqubo yokufakwa kwevalve yebhabhathane ibandakanya amanyathelo abalulekileyo aliqela.Ukucoca ngaphambi kokufaka, ukulungelelaniswa okufanelekileyo, ukulungiswa kunye nokuhlolwa kokugqibela kuqinisekisa ukusebenza kakuhle.
Ezi nkampani ezisemazantsi zigxininiswe kwimimandla yaseJiangsu, eZhejiang, eShanghai, ikakhulu ivelisa iivalve zesango ezitywiniweyo, ngelixa umntla ugxininise eBeijing, eTianjin, kwimimandla yaseHebei, ngokukodwa ukuvelisa iivalve zesango ezivaliweyo.
Eli nqaku liza kwazisa iintlobo ezahlukeneyo zeevalve zokutshekisha kunye neengqwalasela kwiindlela zabo zokufakela ngokubanzi.
Kolu thelekiso lubanzi, siya kujonga nzulu kuyilo, iingenelo, izinto ezingeloncedo kunye nokusetyenziswa kwezi valves zimbini.
Eli nqaku liza kuxubusha umahluko phakathi kweevalve zebhabhathane kunye neevalve zesango ngokweenkcukacha ukusuka kwimiba yomgaqo, ukubunjwa, iindleko, ukuqina, ukulawulwa kokuhamba, ukufakwa kunye nokugcinwa.
ukuba ukukhutshwa kombhobho kuncinci kwaye uxinzelelo luphantsi, DN≤2000, sincoma i-wafer butterfly valve;Ukuba ukucocwa kombhobho kwanele kwaye uxinzelelo luphakathi okanye luphantsi, i-DN≤3000, i-valve ye-butterfly valve iyacetyiswa.
Ukuba iqondo lobushushu liphezulu kakhulu kwaye akukho masuntswana amakhulu, ungakhetha ivalve yebhabhathane etywiniweyo yonke.Kungenjalo, nceda ukhethe ivalve yebhabhathane enexabiso eliphantsi enemaleko amaninzi.
Kweli nqaku, siza kungena kwingqikelelo yomgangatho woxinzelelo oluphezulu olunokuthi ivalve yebhabhathane imelane, kwaye sifunde impembelelo kuxinzelelo olulinganisiweyo oluvela kwimiba efana noyilo lwevalve yebhabhathane, izinto eziphathekayo, ukutywinwa, njl.
Ukuba iqondo lobushushu liphezulu kakhulu kwaye akukho masuntswana amakhulu, ungakhetha ivalve yebhabhathane etywiniweyo yonke.Kungenjalo, nceda ukhethe ivalve yebhabhathane enexabiso eliphantsi enemaleko amaninzi.
Inkqubo yokuhlanganisa ivalve yebhabhathane yinkqubo elula kodwa entsonkothileyo.Kuphela xa inyathelo ngalinye lenziwe ngononophelo apho ivalve yebhabhathane isebenza ngokuqhelekileyo.Oku kulandelayo yinkcazelo emfutshane yenkqubo yokuhlanganisa ivalufa yebhabhathane.
Ukulungiswa kwevalve yebhabhathane kunokwahluka ngokuxhomekeke kuhlobo lomonakalo okanye ukusilela.Inokwahlulwa ibe yisondlo, ukulungiswa ngokubanzi kunye nokulungiswa okunzima.
Ixesha lokuvula kunye nokuvala i-valve yebhabhathane ihambelana nesantya sesenzo se-actuator, uxinzelelo lwamanzi kunye nezinye izinto.
t=(90/ω)*60,
Ivalve yesango sisivalo esisetyenziselwa UKUVULA NOKUVALA ukuhamba kolwelo kumbhobho.Ivula okanye ivale ivalve ngokuphakamisa isango ukuvumela okanye ukunqanda ukuhamba kolwelo.Kufuneka kugxininiswe ukuba ivalve yesango ayinakusetyenziselwa ukulawulwa kokuhamba.
Zininzi iindidi zediskhi yevalve yebhabhathane ngokusetyenziswa kweevalvu zebhabhathane, obona bukhulu buxhaphakileyo bevalve yebhabhathane yesitokhwe busuka kwi-DN50-DN600, ke siyakwazisa iidiski zevalve ngokobungakanani obusetyenziswa rhoqo.
Zeziphi iiyantlukwano, iingenelo kunye nokungeloncedo kwevalve yebhabhathane kunye nevalve yebhola?Kule nqaku, sihlalutya kwiinkalo zesakhiwo, umgaqo, ububanzi bokusetyenziswa kunye nokutywinwa.
Ushishino lwevalvu yaseTshayina ibisoloko ingomnye wamashishini aphambili emhlabeni.Kule marike inkulu, zeziphi iinkampani eziphuma phambili kwaye zibe zilishumi eziphezulu kwishishini levalvu yaseTshayina?
Ngokukodwa kuxhomekeke kwinqanaba lokuthulisa.Ukuthulisa iivalvu zokujonga kuphela kuphelisa ingxolo kunye nokunciphisa ingxolo.Iivalvu zokutshekisha ezithe cwaka zinokusikhusela ngokuthe ngqo kwaye zithulise isandi xa zisetyenziswa.
uxinzelelo lovavanyo> uxinzelelo lwegama> uxinzelelo loyilo> uxinzelelo lokusebenza.
Umgaqo osebenzayo wevalve yebhabhathane yombane kukuqhuba isixhobo sokuhambisa ngemoto ukujikelezisa ipleyiti yevalve, ngaloo ndlela utshintsha indawo yomjelo wolwelo kumzimba wevalvu kunye nokulawula ukuhamba.
Ngokophando kunye nohlalutyo, ukubola yenye yezinto ezibalulekileyo ezibangela umonakalo kwiivalve zebhabhathane.
Ke ngoko, unyango lokugquma komphezulu womzimba wevalve kunye nepleyiti yevalve yeyona ndlela ingabizi kakhulu yokhuseleko ngokuchasene nokubola kwimeko yangaphandle.
Izitywina ezinzima zenziwe ngesinyithi, njenge-gaskets yensimbi, imisesane yentsimbi, njl., kunye nokutywinwa kufezekiswa ngokungqubuzana phakathi kweentsimbi.Izitywina ezithambileyo zenziwe ngezinto ezilastiki, ezinjengerabha, i-PTFE, njl.
Ziya zisanda iivalvu zaseTshayina zithunyelwa kumazwe ahlukeneyo kwihlabathi liphela, kwaye ke uninzi lwabathengi bangaphandle abaqondi ukubaluleka kwenombolo yevalvu yaseTshayina, namhlanje siya kukuthatha ekuqondeni okuthile, sinethemba lokunceda abathengi bethu.
Ukukhetha phakathi kwezi ntlobo zimbini zeevalvu zebhabhathane kuxhomekeke kwiimfuno ezithile zesicelo, kubandakanya nemiqobo yendawo, iimfuno zoxinzelelo, ukugcinwa rhoqo, kunye nokuqwalaselwa kohlahlo lwabiwo-mali.
Ngokwefom yokudibanisa i-flange, umzimba wevalve yebhabhathane yahlulwe kakhulu: uhlobo lwe-wafer A, uhlobo lwe-wafer LT, i-flange enye, i-flange ephindwe kabini, i-U uhlobo lwe-flange.
Uhlobo lwe-Wafer A ludibaniso lomngxuma olungenamisonto, uhlobo lwe-LT 24" ngaphezu kweenkcukacha ezinkulu ngokuqhelekileyo zisebenzisa amandla angcono u-U-uhlobo lwevalvu yomzimba ukwenza uxhulumaniso olunentambo, isiphelo sombhobho kufuneka sisebenzise uhlobo lwe-LT.
Ivalve yebhola emise okwe-V inezibuko elimilise u-V kwelinye icala le-hemispherical valve core.
Ukuvulwa komjelo we-valve ye-O-shaped ball valve, ukuchasana nokuhamba kwayo kuncinci, kwaye isantya sokutshintsha sikhawuleza.
Kwinqaku elandulelayo, sathetha ngeevalve zesango kunye neglowubhu, namhlanje siqhubela phambili kwi-butterfly valves kunye ne-check valves, ezisetyenziswa ngokuqhelekileyo kunyango lwamanzi.
Ivalve sisixhobo sokulawula umbhobho wolwelo.Umsebenzi wayo osisiseko kukudibanisa okanye ukunqumla ukujikeleza kombhobho ophakathi, utshintshe ulwalathiso lokuhamba kwe-medium, ukulungelelanisa uxinzelelo kunye nokuhamba kwe-medium, kunye nokubeka iivalve ezahlukeneyo, ezinkulu nezincinci, kwinkqubo.Isiqinisekiso esibalulekileyo sokusebenza okuqhelekileyo kombhobho kunye nezixhobo.
I-valve yokulawula ukuhamba kwe-coefficients (i-Cv, i-Kv kunye ne-C) yeenkqubo ezahlukeneyo zeyunithi ziyi-valve zokulawula phantsi koxinzelelo oluchanekileyo oluhlukileyo, umthamo wamanzi ojikelezayo kwiyunithi yexesha xa i-valve yokulawula ivulekile ngokupheleleyo, i-Cv, i-Kv kunye ne-C kukho. ubudlelwane phakathi kweCv = 1.156Kv, Cv = 1.167C.Eli nqaku labelana ngenkcazo, iyunithi, ukuguqulwa kunye nenkqubo ephumayo yokuphuma kwe-Cv, Kv kunye ne-C.
Isihlalo sevalve siyinxalenye esuswayo ngaphakathi kwevalve, indima ephambili kukuxhasa ipleyiti yevalve ivuleke ngokupheleleyo okanye ivalwe ngokupheleleyo, kwaye yenze i-vice yokutywina.Ngokuqhelekileyo, ubukhulu besihlalo bubukhulu becaliber yevalve.Imathiriyeli yesihlalo sevalve yebhabhathane ibanzi kakhulu, imathiriyeli esetyenziswa ngokuqhelekileyo kukutywina okuthambileyo kwe-EPDM, NBR, PTFE, kunye nentsimbi eqinileyo yokutywina imathiriyeli ye-carbide.Okulandelayo sizakwazisa nganye nganye...
Ivalve yokutshekisha ibhekisa kwindawo yokuvula kunye nokuvala ivalve engqukuva kwaye ixhomekeke kubunzima bazo kunye noxinzelelo lwemidiya ukuvelisa isenzo sokuvala umva ophakathi wevalve.Ivalve yokukhangela yivalve ezenzekelayo, ekwabizwa ngokuba yivalve yokutshekisha, ivalve yendlela enye, ivalve engabuyiyo okanye ivalve yokuzahlula.
Iivalvu zokujonga i-waferzikwabizwa ngokuba ziivalve zokubuyela umva, iivalve zokubuyela umva, kunye neevalvu zoxinzelelo lwasemva.Ezi ntlobo zeevalvu zivulwa ngokuzenzekelayo kwaye zivalwe ngamandla okwenziwa kukuhamba kwesixhobo ngokwaso kumbhobho, sohlobo lwevalve oluzenzekelayo.
Ivalve yebhabhathane ngenxa yobukhulu bayo obuncinci kunye nolwakhiwo olulula, iye yaba yenye yeevalvu ezixhaphakileyo ezisetyenziswa kushishino, ngakumbi nangakumbi zisetyenziswa kumandla ombane wamanzi, unkcenkceshelo, unikezelo lwamanzi olwakhiwo kunye nokuhanjiswa kwamanzi, ubunjineli bakamasipala kunye nezinye iinkqubo zemibhobho, ezisetyenziselwa ukwenza ukusika okanye ukulamla ukuhamba kwemidiya ejikelezayo ukuze kusetyenziswe.Emva koko i-valve butterfly ekusetyenzisweni kweengxaki ezifuna ingqalelo kunye nezisombululo zeziphi, namhlanje siya kuba ngqo ukuqonda.
Iivalvu zesango lokutywina elithambileyo kunye neevalvu zesango lokutywina eziqinileyo ziqhele ukusetyenziswa izixhobo zokulawula kunye nokuthintela ukuhamba, zombini zinomsebenzi olungileyo wokutywina, uluhlu olubanzi losetyenziso, kwaye yenye yeemveliso ezithengwa ngabathengi ngakumbi.Ezinye ii-novices zokuthenga zinokuba nomdla, ngokufanayo nevalve yesango, yintoni umahluko phakathi kwabo
Umgangatho we-AWWA yi-American Water Works Association yaqala ukupapasha amaxwebhu emvumelwano kwi-1908. Namhlanje, kukho ngaphezu kwe-190 yeMigangatho ye-AWWA.Ukusuka kumthombo ukuya kwindawo yokugcina, ukusuka kunyango ukuya ekuhanjisweni, iMigangatho ye-AWWA igubungela iimveliso kunye neenkqubo ezinxulumene nazo zonke iindawo zokunyanga nokubonelela ngamanzi.I-AWWA C504 yeyommeli oqhelekileyo, luhlobo lwevalve yesitulo sebhabhathane serubble
Iivalvu zebhabhathane ezinobungakanani obukhulu zidla ngokubhekisa kwiivalvu zebhabhathane ezinobubanzi obungaphezulu kwe-DN500, ezidla ngokudityaniswa ngeeflange, iiwafers.Kukho iindidi ezimbini zeevalvu zebhabhathane ezinobubanzi obukhulu: ivalve yebhabhathane ephakathi kunye nevalve yebhabhathane eccentric.
Izinto ezintathu eziyenye ze-Triple Eccentric Butterfly Valve zibhekisa ku:
I-eccentricity yokuqala: i-valve shaft ibekwe emva kwepleyiti yevalve, ivumela itywinangena Ring ukujikeleza ngokusondeleyo isihlalo sonke esinxibelelana naye.
I-eccentricity yesibini: i-spindle ihlulwe ecaleni ukusuka kwisentier umgca womzimba we-valve, othintela ukuphazamiseka ngokuvula kunye nokuvalwa kwevalve.
I-eccentricity yesithathu: isihlalo ikhutshiwe ukusuka kumgca osembindini we-valve shaft, ephelisa ukungqubana phakathi kweidiski kunye nesihlalo ngexesha lokuvala kunye nokuvulwa.
Ivalve yebhabhathane ene-eccentric ephindwe kabini ithiywe ngezakhiwo zayo ezimbini.Ke injani i-double eccentric structure injani?
Into ebizwa ngokuba yi-double eccentric, eyokuqala i-eccentric ibhekisa kwishafti yevalve ephuma embindini womphezulu wokutywina, okuthetha ukuba isikhondo sisemva kobuso bepleyiti yevalve.Obu buchwephesha benza umphezulu woqhagamshelwano wepleyiti yevalve kunye nesihlalo sevalvu ube yindawo yokutywina, ethi iphumelele ngokusisiseko iziphene ezikhoyo kwiivalvu zebhabhathane ezixineneyo, ngaloo ndlela kususa ukuvuza okunokwenzeka kwangaphakathi kwindawo ephezulu nasezantsi yokudibana phakathi kweshafti yevalve kunye. isihlalo sevalve.
Ivalve yebhabhathane, ekwabizwa ngokuba yi-flap valve, sisakhiwo esilula sevalve yohlengahlengiso, enokusetyenziswa kwimibhobho yoxinzelelo oluphantsi ukuvala ukuhamba.Ukujikeleza kwishafu yevalve ukufikelela ukuvula nokuvala ivalve.
Ngokweendlela ezahlukeneyo zoqhagamshelo, inokohlulwa ibe ivelufa yebhabhathane, ivalve yebhabhathane yelug, ivalve yebhabhathane yeflange, ivalve yebhabhathane edityanisiweyo, ivalve yebhabhathane ebambekayo, njalo njalo.Phakathi kwezona ndlela zixhaphakileyo zoqhagamshelwano yivalve yebhabhathane emhlophe kunye nelug butterfly valve.
Ivalve yebhabhathane yepneumatic yenziwe nge actuator yomoya kunye nevalve yebhabhathane.Ivalve yebhabhathane esebenza ngomoya isebenzisa umoya ocinezelweyo njengomthombo wamandla wokuqhuba isiqu sevalve kunye nokulawula ukujikeleza kwediski ejikeleze ishaft ukuvula nokuvala ivalve.
Ngokwesixhobo somoya sinokwahlulwa sibe ivelufa yebhabhathane esebenza nge-pneumatic kunye nevalve yebhabhathane esebenza kabini.
I-Zhongfa Valve ngumvelisi ochwepheshile wamalungu evalve yebhabhathane kunye neevalvu zebhabhathane, esekwe ngo-2006, ebonelela ngeevalvu kunye neemveliso zevalve yebhabhathane kumazwe angaphezu kwama-20 kwihlabathi, ngokulandelayo, iZhongfa Valve iya kusungula isingeniso esineenkcukacha samalungu evalve yebhabhathane.
Iivalve zebhabhathane yintsapho yeevalvu ezijikelezayo ezijikelezayo ezisetyenziswa kwimibhobho, ngokuqhelekileyo zihlelwa ngokwakhiwa kunye nokudibanisa.I-ZFA ngomnye wabenzi bevalvu yebhabhathane edumileyo, abavelisi bevalvu yebhabhathane, kunye nabavelisi bevalvu yebhabhathane eTshayina.
Iintlobo ngoQhagamshelwano, zizinto ezine.
Ivalve yeZFA's iivalvu butterfly zombanezohlulwe zibe zezi ndidi zimbini zilandelayo: i-centerline butterfly valves kunye ne-eccentric butterfly valves, phakathi kwazo i-centerline butterfly valves ziphinde zohlulwe zibe zivalve zebhabhathane, i-lug butterfly valves kunye ne-flange butterfly valves.
Iivalve zebhabhathane zombane zidityaniswe kwiivalvu zebhabhathane kunye nezixhobo zombane.Isetyenziswa kakhulu kwi-petroleum, iikhemikhali, amandla ombane, isinyithi, ukutya, amayeza, i-textile, iphepha kunye namanye amashishini.Umthombo udla ngokuba yigesi yendalo, umoya, umphunga, amanzi, amanzi olwandle kunye neoyile.Iivalvu zebhabhathane ezisebenza ngeMotor zisetyenziselwa ukulawula ukuhamba nokunqumla okuphakathi kwimibhobho yeshishini.
Singabonelela ngezi ntlobo zilandelayo ze-API609 butterfly valves:
Ngokonxibelelwano, sinakhoivelufa yebhabhathane ephindwe kabini,ivelufa yebhabhathanekwayelug butterfly valve;
Ngokwezinto eziphathekayo, sinokubonelela ngezinto zentsimbi ye-ductile, i-carbon steel material, i-stainless steel material, izinto zobhedu, i-super duplex steel material;
Ngokwenkqubo, sinokubonelela ngevalve yebhabhathane ye-API609 enomzimba wokuphosa kunye nomzimba we-welding.
I-PTFE Lining Valve ekwaziwa ngokuba ziivalvu zeplastiki ezine-fluorine ezine-corrosion resistant, ziyiplastiki eyifluorine ebunjwe kudonga olungaphakathi lwentsimbi okanye iindawo ezithwele ivalve yentsimbi okanye umphezulu ongaphandle wevalve yangaphakathi.Iiplastiki zeFluorine apha ikakhulu zibandakanya: PTFE, PFA, FEP kunye nabanye.FEP lined butterfly, teflon coated butterfly valve kunye FEP lined butterfly valve zidla ngokusetyenziswa kumajelo eendaba eyomeleleyo corrosive.
Iivalve zethu zebhabhathane zithobela umgangatho wevalve wamazwe ngamazwe we-ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS njalo njalo.Ubungakanani be-DN40-DN1200, uxinzelelo lwegama: 0.1Mpa ~ 2.5Mpa, ubushushu obufanelekileyo: -30 ℃ ukuya ku-200 ℃.
Sithumela ikakhulu kumazwe angama-22 anjenge-US, iRussia, iCanada, iSpain njl.
n izinto eziphathekayo, intsimbi engenasiciiivalve butterflyzifumaneka kwi-SS304, SS316, SS304L, SS316L, SS2205, SS2507, SS410, SS431, SS416, SS201, Ngokwesakhiwo, i-stainless steel butterfly valves ifumaneka kwimigca ye-centric kunye ne-eccentric.Iivalvu zebhabhathane zensimbi engenastainless zenziwe ngentsimbi estainless kumzimba wevalve, ipleyiti yevalve, kunye neshaft, kunye ne-EPDM okanye i-NBR yesitulo sevalvu, ziyilelwe ikakhulu ukulawula ukuhamba kunye nokulawulwa kwemithombo yeendaba ezonakalisayo, ngakumbi iiasidi ezomeleleyo ezahlukeneyo, njenge-asidi ye-sulfuric kunye ne-aqua regia.