Itisiqwenga esithathutinehedivalve yi uhlobo lofakelo lwemibhobho yemichiza.Kukho imilo engu-T kunye nokumila kuka-Y.Kukho kwakhona abanciphisi.Ukudibana kwemibhobho emithathu.
Izihlanganisi zombhobho ezenziwe ngentsimbi ejikelezileyo okanye i-ingot yensimbi yokufa, ifom yokudibanisa i-socket welding, umbhobho wensimbi ufakwe kwi-socket ye-welding, ngoko kuthiwa "izixhobo zombhobho we-socket", umgangatho oyintloko wokuvelisa i-ANSI / ASME B16 .11, MSS SP-83, GB/T 14383-2008.
Izifakelo zeSocket
Iindidi zokufakelwa kombhobho wesokethi ziquka i-45°ingqiniba, 90°ingqiniba, i-socket tee, umnqamlezo, 45°i-oblique tee, i-double socket pipe clamp, i-clamp ye-socket pipe clamp, i-cap pipe, i-union, isihlalo sombhobho wesebe njalo njalo.Phakathi kwazo, ii-tee kunye neminqamlezo zineemitha ezilinganayo kunye nobubanzi obuhlukeneyo;izingxobo zemibhobho enesokethi ezibini zikwanazo iidayamitha ezilinganayo kunye nobubanzi obahlukeneyo, kunye nezithinteli zemibhobho enesokethi ezibini ezinobubanzi obahlukeneyo zinokwahlulwa zibe zi-concentric kunye ne-eccentric.
Yenziwe ngentsimbi eshayinayo3pc ithungelwe ivalve yebhola
Yenziwe ngentsimbi eshayinayo3pc ithungelwe ivalve yebhola Intsimbi engatyiwayo3pc ithungelwe Ivalve yebhola kunye nevalve yesango yeflange zezohlobo olufanayo lwevalve, umahluko kukuba indawo yayo yokuvala yingqukuva, kwaye ingqukuva ijikeleza kumgca osembindini womzimba wevalve ukufezekisa ukuvula nokuvala.Iivalvu zebhola zisetyenziswa ikakhulu kwimibhobho ukusika, ukusasaza nokutshintsha indlela yokuhamba kwemidiya.Ivalve yebhola eneziqwenga ezibini kunye nevalve yebhola enamacandelo amathathu luhlobo olutsha lwevalvu esetyenziswa kakhulu kwiminyaka yakutshanje.
Okokuqala, tyena steel stainless3pc ithungelwe Ivalve yebhola inezi ncedo zilandelayo:
1. Ukuxhatshazwa kwamanzi kuncinci, kwaye i-coefficient yayo yokumelana ilingana necandelo lombhobho lobude obufanayo.
2. Isakhiwo esilula, ubungakanani obuncinci kunye nobunzima obulula.
3. I-compact kwaye ithembekile.Okwangoku, izinto zokutywinwa kwendawo yevalve yebhola zisetyenziswa kakhulu kwiiplastiki, ezinomsebenzi wokutywina kwaye zisetyenziswe ngokubanzi kwiinkqubo zokucoca.
4. Kulula ukusebenza, ukuvula ngokukhawuleza kunye nokuvala, kufuneka kuphela ukujikeleza i-90°ukusuka ekuvuleni ngokupheleleyo ukuya kukuvalwa ngokupheleleyo, olulungele ulawulo olude.
5. Ukugcinwa kukulungele, isakhiwo se-valve yebhola silula, ikhonkco lokutywina ngokuqhelekileyo lihamba, kwaye kulungele ngakumbi ukuchithwa nokutshintsha.
6. Xa ivuliwe ngokupheleleyo okanye ivalwe ngokupheleleyo, umphezulu wokutywina webhola kunye nesihlalo sevalve yodwa ukusuka kwindawo ephakathi, kwaye xa i-medium idlula, ayiyi kubangela ukukhukuliseka kwendawo yokutywinwa kwevalve.
7. Inoluhlu olubanzi lwezicelo, ezinobubanzi obuncinci njengeemilimitha ezimbalwa kwaye zikhulu njengeemitha ezininzi, kwaye zingasetyenziswa ukusuka kwi-vacuum ephezulu ukuya kuxinzelelo oluphezulu.
Iivalvu zebhola eziphakamileyo zinokwahlulwa zibe luhlobo oluthe ngqo,3pc ithungelwe uhlobo kunye nohlobo lwe-engile ekunene ngokwendawo yetshaneli.Iivalvu ezimbini zokugqibela zebhola zisetyenziselwa ukusasaza i-medium kunye nokutshintsha i-flow direction ye-medium.Ufakelo kunye nokugcinwa kwevalve yebhola enamacandelo amathathu kufuneka kuthathelwe ingqalelo kwezi zinto zilandelayo:
1. Shiya indawo ukuze isiphatho sevalvu sijike.
2. Ayinakusetyenziswa njenge-throttling.
Iivalvu ezi-3 zebhola ezineendlela zothumelo kufuneka zifakwe zime nkqo.
Okwesibini, umgaqo wokusebenza wensimbi engenasici3pc ithungelwe Ivalve yebhola kukwenza ivalve ingavalwa okanye ivalwe ngokujikelezisa ivalve.Ivalve yebhola kulula ukuyitshintsha, incinci ngobukhulu, inokwenziwa ibe yi-diameter enkulu, inokuthenjwa ngokutywinwa, ilula kwisakhiwo, ilungele ukugcinwa, kwaye indawo yokutywina kunye ne-spherical surface ihlala ivaliwe, okungelula. ukuba ikhukuliswe yi-medium, kwaye isetyenziswe ngokubanzi kumashishini ahlukeneyo.
Third, intsimbi engenasici3pc ithungelwe Ivalve yebhola isetyenziswa ikakhulu kumbhobho ukusika, ukusasaza kunye nokutshintsha indlela yokuhamba yeliphakathi.Ivalve yebhola luhlobo olutsha lwevalve esetyenziswa kakhulu kwiminyaka yakutshanje, inezi zibonelelo zilandelayo:
1. Ukuxhatshazwa kwamanzi kuncinci, kwaye i-coefficient yayo yokumelana ilingana necandelo lombhobho lobude obufanayo.
2. Isakhiwo esilula, ubungakanani obuncinci kunye nobunzima obulula.
3. I-compact kwaye ithembekile.Okwangoku, izinto zokutywinwa kwendawo yevalve yebhola zisetyenziswa kakhulu kwiiplastiki, ezinomsebenzi wokutywina kwaye zisetyenziswe ngokubanzi kwiinkqubo zokucoca.
4. Kulula ukusebenza, ukuvula ngokukhawuleza kunye nokuvala, kufuneka kuphela ukujikeleza i-90°ukusuka ekuvuleni ngokupheleleyo ukuya kukuvalwa ngokupheleleyo, olulungele ulawulo olude.
5. Ukugcinwa kukulungele, isakhiwo se-valve yebhola silula, ikhonkco lokutywina ngokuqhelekileyo lihamba, kwaye kulungele ngakumbi ukuchithwa nokutshintsha.
6. Xa ivuliwe ngokupheleleyo okanye ivalwe ngokupheleleyo, umphezulu wokutywina webhola kunye nesihlalo sevalve yodwa ukusuka kwindawo ephakathi, kwaye xa i-medium idlula, ayiyi kubangela ukukhukuliseka kwendawo yokutywinwa kwevalve.
7. Inoluhlu olubanzi lwezicelo, ezinobubanzi obuncinci njengeemilimitha ezimbalwa kwaye zikhulu njengeemitha ezininzi, kwaye zingasetyenziswa ukusuka kwi-vacuum ephezulu ukuya kuxinzelelo oluphezulu.Xa ibhola ijikeleza i-90 degrees, yonke i-inlet kunye ne-outlet kufuneka ibonakale i-spherical, ukwenzela ukunqumla ukuhamba.
Intsimbi engenasici3pc ithungelwe Ivalve yebhola luhlobo olutsha lwevalve yebhola.Ineenzuzo ezithile ezikhethekileyo kwisakhiwo sayo, njengokuthi akukho friction kwi-switch, akukho lula ukunxiba isitywina, kunye ne-torque encinci yokuvula kunye nokuvala.Oku kunciphisa ubungakanani be actuator enxulumeneyo.Ixhotyiswe nge-multi-turn actuator yombane, inokuqonda ukulungiswa kunye nokunqunyulwa okungqongqo kwi-medium.Isetyenziswa ngokubanzi kwi Petroleum, Chemical, unikezelo lwamanzi asezidolophini kunye nokuhanjiswa kwamanzi kunye nezinye iimeko zokusebenza ezifuna ukuvalwa okungqongqo.
Okwesine, umgaqo wayo wokusebenza umi ngolu hlobo lulandelayo:
A. Qala inkqubo
1 Kwindawo evaliweyo, ibhola icinezelwe kwisitulo sevalve nge mechanical[/wiki] uxinzelelo lwesiqu sevalvu.
2 Xa ivili lesandla lijikwa ngokuchasene newotshi, isiqu sevalve sihamba siye kwicala elichaseneyo, kwaye inqwelomoya ye-angular emazantsi evalve yenza ukuba ibhola ingajiki kwisihlalo sevalve.
3 Isiqu sevalve siyaqhubeka nokunyuswa, kwaye sisebenzisana nephini lesikhokelo kumjelo ojikelezayo wesiqu sevalve, ukuze ibhola iqalise ukujikeleza ngaphandle kokukhuhlana.
I-4 ide ifike kwindawo evulekile ngokupheleleyo, i-valve stem iphakanyiswe kwindawo elinganiselwe, kwaye ibhola ijikeleza kwindawo evulekile ngokupheleleyo.
B. Inkqubo yokuvala
1 Xa ivaliwe, jika ivili lesandla ngokwewotshi, isiqu sevalve siya kuqalisa ukuhla kwaye ibhola iya kusishiya isihlalo sevalve kwaye iqalise ukujikeleza.
2 Qhubeka ujikelezisa ivili lesandla, kwaye isiqu sevalve sisebenza ngesikhonkwane sesikhokelo esifakwe kwigroove ejikelezayo kuyo, ukuze isikhondo sevalve kunye nebhola zijikeleze 90.°ngaxeshanye.
3 Xa kuza kuvalwa, ibhola ijike ngama-90° ngaphandle kokunxibelelana nesitulo sevalve.
4 Ngexesha lokujika okumbalwa kokugqibela kwevili lesandla, inqwelo-moya eyi-angular esezantsi kwesikhondo sevalve ngoomatshini ijikela ngokuchasene nebhola ukuyicinezela ngokuqinileyo kwisitulo sevalve ukufumana itywina elipheleleyo.
Okwesihlanu, iimpawu zesakhiwo sensimbi engenasici3pc ithungelwe ivalve yebhola:
1. Vula kwaye uvale ngaphandle kokukhuhlana.Lo msebenzi usombulula ngokupheleleyo isikovalve. Ingxaki yokuchaphazela itywina ngenxa yokungqubana phakathi kweendawo zokutywina.
2. Isakhiwo sokulayisha phezulu.Ivalve efakwe kumbhobho ingahlolwa kwaye ilungiswe ngokuthe ngqo kwi-intanethi, enokunciphisa ngokufanelekileyo ukuvalwa kwesixhobo kunye nokunciphisa iindleko.Olu hlobo lwevalve kufuneka lufakwe ngokubanzi ngokuthe tye kumbhobho.
3. Uyilo lwesihlalo esinye.Iphelisa ingxaki yokuba i-medium kwi-cavity ye-valve ichaphazela ukhuseleko lokusetyenziswa ngenxa yokunyuka koxinzelelo olungaqhelekanga.
4. Uyilo lwetorque ephantsi.Isiqu sevalve esinoyilo olukhethekileyo lwesakhiwo sinokuvulwa kwaye sivalwe ngokulula ngesiphatho esincinci.
5. Isakhiwo sokutywinwa kwe-Wedge.Ivalve itywinwe ngokucinezela iwedge yebhola kwisitulo sevalve ngamandla omatshini anikezelwe sisikhondo sevalve, ukuze ukusebenza kokutywinwa kwevalve kungachatshazelwa lutshintsho lomahluko woxinzelelo lwemibhobho, kwaye ukusebenza kokutywina kuqinisekisiwe ngokuthembekileyo phantsi koxinzelelo. iimeko ezahlukeneyo zokusebenza.
6. Isakhiwo sokuzicoca sendawo yokutywina.Xa ibhola ityekela isuka kwisihlalo sevalve, ulwelo olukumbhobho ludlula ngokulinganayo kuma-360.°ecaleni kwendawo yokutywinwa kwebhola, engaphelisi kuphela ukukhukuliseka kwendawo yesitulo sevalve ngolwelo olunesantya esiphezulu, kodwa iphinde ihlambe ukuqokelelwa kwindawo yokutywina, ukufezekisa injongo yokuzicoca.
Ixesha lokuposa: Apr-26-2023