A weld intamo flangeikhethwa ngokwesiqhelo xa uxhulumaniso lulindeleke ukuba luthwale ngaphezu koxinzelelo nje. Kwiiprojekthi zokwenyani, abathengi bakhetha yona kubaitapered hub + impundu{1}ewelded intamoukunika inguqu egudileyo yoxinzelelo ukusuka kwiflange ukuya kumbhobho, onceda kwiinkqubo eziveziweyoukukhwela ibhayisekile yoxinzelelo, ukuguquguquka kwe-thermal, ukungcangcazela, umbhobho onzima-wodonga, okanye iimfuno zokuhlola ezingqongqo..
Ukuthengwa, oku ayisiyonto nje yokukhetha isimbo se-flange. Kudla ngokuba sisigqibo malungaukuthembeka okudityanisiweyo, ulungelelwaniso, ukuthembeka kweweld, kunye{0}}nozinzo lwenkonzo yexesha elide. I-weld neck flange ehambelana nechanekileyoumgangatho, ejongene, wazala, ishedyuli, kunye nezintoiqhele ukudala iingxaki ezimbalwa-zokwanela kuneflange ekhethwe kuphela ngobungakanani begama kunye nodidi.
I-Weld Neck Flange Standard kunye neNkcazo
Xa abathengi befunaukucaciswa kwe-weld neck flangeokanyeweld intamo flange umgangatho, ngokuqhelekileyo abakhangeli nje ukujonga ukuba imveliso ikwisitokhwe. Eyona nto bafuna ukuyiqinisekisa kukuba i-flange iya kuhambelana neiklasi yomgca weprojekthi, ishedyuli yombhobho, uhlobo olujongene nayo, ibakala lezinto eziphathekayo, kunye nomda wokuhlolasele ichaziwe kumzobo okanye i-PO. Ekuthengeni okwenyani, uninzi lweengxaki aziveli ku-"akukho nikezelo" - zivela kwiinkcukacha ezingatshixwanga kwangethuba, njengebhobho engalunganga yodonga lombhobho, ujongo olungachanekanga, okanye iimfuno zoxwebhu ezilahlekileyo ezithi kamva zicothe ukuvunywa kunye nofakelo.
Inkcazo yokuthenga ebonakalayo kufuneka ichaze i-flange ngezi ndawo zokukhangela:
| Into |
Kufuneka kuchazwe ntoni |
| Uhlobo lwemveliso |
Weld Neck Flange |
| Umgangatho olawulayo |
ASME B16.5 / ASME B16.47 apho kufanelekileyo |
| Ubungakanani obuqhelekileyo |
NPS / DN |
| Iklasi yoxinzelelo |
Iklasi 150 / 300 / 600 / 900 / 1500 / 2500 |
| Ukujongana nodidi |
RF / RTJ / FF |
| Bore |
Ifaniswe neshedyuli yombhobho okanye i-ID ekhankanyiweyo |
| Ibakala lezinto eziphathekayo |
A105, LF2, F304/F316, F11/F22/F91, amabanga amabini, njl. |
| Umphezulu / imfuno ekhethekileyo |
Ukugqitywa kwe-Serration, ukuchaneka kwegroove ye-RTJ, ukugquma, ukumakisha |
| Ukuhlolwa / amaxwebhu |
MTR, PMI, UT, MT/PT, dimensional report, EN 10204 3.1 ukuba iyafuneka |
Umgca we-RFQ onamandla udla ngokubhalwa ngolu hlobo:
ASME B16.5, weld intamo flange, NPS 4, Class 600, RF, ASTM A105, wazala Sch 80 umbhobho, MTR efunekayo, Qty ___
Oko kukhuseleke ngakumbi kunokubhala nje "i-4 intshi ye-weld neck flange," kuba ilawula amanqaku ahlala ebangela ukuxabana:ukujongana, ukuthwala umdlalo, izinto,kwayeumda woxwebhu.
Zeziphi iimeko zoShishino apho iiWeld Neck Flanges zifanelekile?
A weld intamo flangeiqhele ukukhethwa xa umgca ulindeleke ukuba uphatheuxinzelelo oluphezulu, ubushushu obuphezulu, phindaibhayisekile eshushu, ukungcangcazela, okanyeunzima-umbhobho wodongaapho ukuthembeka okudibeneyo kubaluleke ngaphezu kokwenza lula. Kwiiprojekthi zokwenyani, iqhele ukusetyenziswa kwimigca yokuhambisa ioyile nerhasi, ukucokisa kunye nemibhobho yepetrochemical, iimodyuli zaselwandle, iinkqubo zebhoyila, uxinzelelo{1}}unxibelelwano lwenqanawa, inkonzo yomphunga, kunye nezinye iinkqubo ezibalulekileyo okanye imigca eluncedo.
Kwezi nkonzo, i-flange ayikho nje indawo yokudibanisa. Ichaphazela ngokuthe ngqo:
- ukuhanjiswa komthwalo
- weld ingqibelelo
- ixesha elide-ukuzinza kokutywina
Ukusuka kumbono womthengi, ixabiso le-weld neck flange liba licace ngakumbi xa ixabiso lokungaphumeleli liphezulu. Ukuvuza kwisebe{1}loxinzelelo oluphezulu, ukuphinda kusetyenzwe kwakhona okubangelwa lulungelelwaniso olulambathayo, okanye ulungiso olongezelelekileyo lweweld ngexesha lokulitha{2}}kunokubiza ngokulula ngaphezulu kweflange ngokwayo.
Iinzuzo zayo eziphambili zivela kwihub ene taperedkwayeimpundu{{0}efakwe intamo, okunceda ukudala utshintsho olulula phakathi kwe-flange kunye nombhobho. Ngokwezinto eziphathekayo, oku kuthetha:
- ngconoukulungelelana
- utshintsho oluncinci olukhawulezayo kwindawo ye-weld
- ukufaneleka okuphuculweyo kwiinkonzo yebhayisekilekwayeukungcangcazela{0}}imigca enovakalelo
- ufikelelo olungcono lweweld ukuze luhlolwe
- ethembeke ngakumbiuvavanyo lweradiographic
- omeleleumbhobho-ukuya{1}}ukuqhubekeka kweflange
Yiyo loo nto iinjineli zihlala zikhetha i-weld neck flanges kwiinkqubo zemibhobho ezifunwa kakhulu apho ukuthembeka kwenkonzo yexesha elide kubaluleke ngaphezu kwesantya sofakelo olulula.
Ungazikhetha njani izinto ezifanelekileyo zeWeld Neck Flanges?
Ukukhethwa kwezinto eziphathekayo kufuneka kulandele imeko yenkonzo, kungekhona nje isitokhwe okanye ixabiso. Kwi-weld neck flanges, izinto eziphathekayo zifuna ukuhambelana nebakala lombhobho, ubushushu bokuyila, indawo ye-corrosion, kunye nokuhlolwa kweprojekthi / iimfuno zamaxwebhu. I-flange inokuba ichanekile ngokomlinganiselo, kodwa ukuba imathiriyeli ayihambelani neklasi yomgca, iseyinto ekhatywayo.
Nje,I-ASTM A105isetyenziselwa i-carbon steel piping esemgangathweni phantsi kweemeko eziqhelekileyo zenkonzo.I-ASTM A350 LF2ikhethwa kwinkonzo yobushushu obuphantsi- apho ukuqina kwempembelelo kubalulekile. Kwimibhobho yengxubevange yobushushu obuphezulu-, abathengi bakholisa ukucacisaF11, F22, okanye F91ukuhlala ulungelelaniswa nempahla yombhobho kunye nemeko yokusebenza. Kwinkonzo eyonakalisayo,F304 / F316ziinketho eziqhelekileyo ezingenasici, ngelixaduplex / super duplexamabakala afaneleke ngakumbi xa zombini ukuxhathisa kwekloridi kunye namandla aphezulu afunekayo. NgeUmbhobho we-Octal, olu hlobo lokuhambelana kwezinto eziphathekayo ngenye yeendawo zokulawula ezisisiseko kwi-quotation ye-flange kunye nokuhlaziywa komyalelo, kuba ibakala lezinto eziphathekayo lichaphazela ngokuthe ngqo ukuvunywa, ukuhambelana kwe-welding, kunye nokuthembeka kwenkonzo yokugqibela.
Umzekelo olula: kumgca womphunga, ukhetho lweflange aluyiyo nje isayizi kunye nodidi - imathiriyeli kufuneka ihlale izinzile kwiqondo lobushushu, ngoko ke amanqanaba ealloyi ayafana.F11okanyeF22kunokufuneka endaweni yentsimbi yekhabhoni. Ngomgca wobushushu{1}ophantsi, usebenzisaA105ngaphandle kweLF2kunokudala umngcipheko wokuqina nangona zombini i-carbon steel grade grade. Ukusuka kumbono wokuthengwa kwempahla, ibakala lezinto ezingalunganga lidla ngokubangela iingxaki ezinkulu kunohlobo olungalunganga lwe-flange, kuba luchaphazela ukuvunywa, ukuhambelana kwe-welding, kunye nokwamkelwa kweprojekthi yokugqibela.
I-Weld Neck Flange Vs Slip{0}}Vula
Uthelekiso phakathiweld intamo flangekwayetyibilika-kwiflangesesinye sezona zigqibo zixhaphakileyo ekuthengeni iflange, kuba ezi zimbini zinokujongeka zifana kumsebenzi osisiseko kodwa ziyilelwe izinto eziphambili ngokubaluleka kwenkonzo. Atyibilika-kwiflangengokuqhelekileyo ikhethwa xa ulwakhiwo lulula kwaye iindleko zokuqala ziphantsi, kuba umbhobho ungena kwi-flange phambi kwe-welding ye-fillet. Aweld intamo flange, ngokuchaseneyo, i-butt{0}}i-welded kumbhobho kwaye ine hub ecuthiweyo ebonelela ngenguqu egudileyo phakathi kweflange kunye nombhobho.
Kwimeko esebenzayo,tyibilika-kwiiflangezisoloko zisetyenziselwa ukumodareyitha{0}}inkonzo yomsebenzi, ngelixaweld intamo flangeszikhethwa xa umgca ufuna ngconoukuhanjiswa koxinzelelo, ichane ngakumbiukulungelelana, kunye nokusebenza ngamandla ngaphantsiuxinzelelo, ukuguquguquka kobushushu, ukungcangcazela, okanye ukulayisha ngebhayisekile. Kubathengi, umahluko ayisosimbo sokwenza kuphela - lukhetho lwenyani phakathiiindleko ezisezantsikwayeukuthembeka okuphezulu kwithuba elide{0}}elide.
| Inqaku lothelekiso |
Weld Neck Flange |
Tyibilika-kwiFlange |
| Uqhagamshelwano lombhobho |
Butt weld |
Fillet weld |
| Ukuhanjiswa koxinzelelo |
Ngcono ngokusebenzisa hub tapered |
Ithandeka kancinci phantsi komthwalo webhayisekile okanye onzima |
| Ukulungelelaniswa kwe-Bore |
Ukulawulwa ngakumbi |
Okuninzi kuxhomekeke ekungeneni{0}}phezulu |
| Usebenziso olungcono |
Uxinzelelo oluphezulu / ubushushu / inkonzo ebalulekileyo |
Ophakathi{0}}umsebenzi wombhobho jikelele |
| Ukuhlola ukuzithemba |
Yomelele kwimibhobho ebalulekileyo |
Ilula, kodwa ikhethwa kancinci kwinkonzo enzima |
| Ukubaluleka komthengi |
Ukuthembeka kunye nenkonzo{0}}yexesha elide |
Iindleko zokuqala ezisezantsi |
Ngamafutshane, abathengi bahlala befudukelaweld neck flange vs slip{0}}onukhetho xa inkqubo iba nzima ngakumbi kwaye umngcipheko wokuvuza, ukukhathala, okanye ukugcinwa okuphindaphindiweyo kuba nzima ukungayihoyi.
Uphawu lwe-Weld Neck Flange
Iuphawu weld intamo flangeibalulekile kwimizobo, iiBOM, kunye neeRFQs kuba iimpazamo ezininzi zocaphulo ziqala ngobhalo lweflange olungacacanga okanye olungaphelelanga.
Kumaxwebhu eprojekthi, ezona fom zifutshane zixhaphakileyo zezi:
- WN= Intamo yeWeld
- WNRF= Intamo yeWeld ephakanyisiweyo
- WNRTJ= Uhlobo lwe-Weld Neck Ring edityanisiweyo
- LWN= Intamo ende yeWeld
- RWNokanye amagama achazayo angasetyenziselwa ukunciphisa ulungelelwaniso lwe-weld neck ngokuxhomekeke kwindlela yokuzoba
Inqaku eliphambili kubathengi kukuba isimboli yodwa ayanele. "WN" ichonga uhlobo lweflange, kodwa ayichaziiklasi, ukujongana, ukudinwa, izinto,okanyeumgangatho. Inqaku lomzobo elithi "WN flange" lisashiya indawo eninzi kakhulu yempazamo yocaphulo. Isimboli kufuneka ihlale ifundwa kunye necallout epheleleyo.
Umzekelo wokuzoba / i-BOM callout:
WN, 6", iClass 600, RF, ASTM A105, ASME B16.5, yazala ukuya kwiSch 80
Abathengi bayakhangelaweld intamo flange ubunzimabadla ngokuzama ukusombulula enye yeengxaki ezintathu:uqikelelo lomthwalo, ukuphakamisa/ucwangciso lokupakisha,okanyeinkxaso-yokubala umthwalo. Into ebalulekileyo kukuba weld neck flange ubunzimaayilawulwa ngobukhulu bodwa. Itshintsha kakhulu nge:
- ubungakanani obuqhelekileyo
- iklasi yoxinzelelo
- ukuxinana kwezinto
- hub geometry
- uhlobo olujongene nayo
- ubungakanani boreyili / umdlalo weshedyuli
A Class 150 weld intamo flangekunye aClass 1500 weld intamo flangekwakwi-NPS efanayo ngokuqinisekileyo ayizukuziphatha njengento efanayo ekuphatheni okanye ekuhanjisweni. Udidi oluphezulu-iflange luphethe ihabhu enzima, umzimba otyebileyo, kunye nejiyometri eyahlukileyo yebhawuthi yesangqa, ngoko ubunzima bunyuka ngokukhawuleza ngeklasi.
Ubunzima be-weld neck flange kufuneka buqinisekiswe ukusuka kwitheyibhile esebenzayo okanye umzobo wemveliso, emva koko ihlolwe kwakhona ngokuchasene neyona nto ibonakalayo kunye nokulungelelaniswa kwebhore ngaphambi kokuba izigqibo zomthwalo okanye inkxaso zigqitywe.
Kutheni le nto iBore match ibaluleke ngaphezu kokulindelwe ngabathengi abaninzi
Yeweld intamo flange, ukwamkelwa kudla ngokugqitywa ngaphantsi kwedayamitha yangaphandle nangaphezulu ngokubaukukruqukangenene ihambelana nombhobho ekuza kudityaniswa kuwo. Inqaku elipheleleyo loyilo lwentamo ye-weld kukudala inguqu egudileyo ukusuka kwi-flange hub ukuya eludongeni lombhobho. Ukuba eso sitya sincinci, sigqithise, okanye sihambelana neshedyuli engalunganga, i-welder ityhalelwa kumsebenzi wokulungisa intsimi njengeukucola kwangaphakathi, ukudinwa, hi{0}uhlengahlengiso oluphantsi, okanye imbuyekezo yeprofayile ye weld. Oko akucothi nje ukulunga -ukunyusa - kunokuchaphazela ukungaguquguquki kwe-weld, ukwamkelwa kweradiyographic, kunye nendlela yokuhamba yokugqibela kwindawo edibeneyo.
Oku kubaluleke kakhulu kwiumbhobho wodonga{{0}onzima, iiprojekthi ngeiishedyuli ezininzi, ukunciphisa iinguqu, Uxinzelelo oluphezulu{{0}inkonzo ye-RTJ, okanyeiiflange zentamo ende weldiqhagamshelwe kwinqanawa okanye imilomo yezixhobo. Kwezo meko, ukungahambelani okukruqukileyo asiyongxaki encinci yeendibano zocweyo. Inokwenza inyathelo langaphakathi kwi-weld, inyuse ixesha lokulungiswa kolungelelwaniso, kwaye inyanzelise ukwenziwa kwe-machining okongeziweyo okanye ukugaya umthengi angazange akucwangcise. Yiyo loo nto i-RFQ enzulu mayingapheliNPS + Iklasi. Kufuneka kwakhona ichaze into efunekayowazala kwishedyuli yombhobhookanye unike ekujoliswe kukongaphakathi ngaphakathi, ngoko i-flange ifika ilungele umbhobho wokwenene kufuneka ihambelane, kungekhona nje ubungakanani obuqhelekileyo ephepheni.
UkuHlola okuPhambili phambi kokuThunyelwa
Ngomyalelo onzulu we-weld neck flange, abathengi bahlala bekhathalela ngakumbiiindawo zokwamkelwa ezinokulinganiswakunokuba malunga neengxelo jikelele ezifana "nokuchaneka okuphezulu."
Ujoliso oluluncedo lwesiqhelo lubandakanya:
- umgangatho weflange kunye nokuqinisekiswa kweklasi
- ukujonga uhlobo olujongene nalo (RF / RTJ / FF)
- ubungakanani kunye ne-hub imilinganiselo
- isangqa sebholithi kunye nokuchaneka komngxuma webholiti
- ukugqitywa kwe-serration okanye ukuqinisekiswa kwe-RTJ groove
- isiqinisekiso sokumakisha
- ukulandeleka kwenani lobushushu ukuya kwi-MTR
- PMI / UT / MT / PT apho kuyimfuneko
I-weld neck flange ekhangeleka kakuhle ngokubonakalayo isenokwenza ulibaziseko lwesiza ukubawakruquka, ujonge, okanye amaxwebhumusa ukuhambelana neemfuno zeprojekthi.
Qhagamshelana ngoku
FAQ
01.Ingaba i-weld neck flange ichazwe njani kwi-RFQ okanye kwi-PO?
Bandakanyaumgangatho, ubungakanani, udidi, ujongo, imathiriyeli, ishedyuli yombhobho, ukuhlolwa/amaxwebhu, kunye nobungakanani. Oku kunceda ukuphepha ukudinwa okungalunganga, ukujonga okungalunganga, okanye ukungahambelani kwezinto.
02.Kunini apho i-weld neck flange ingcono kunokutyibilika{1}}kwiflange?
Ngokuqhelekileyo ikhethwaUxinzelelo oluphezulu, ubushushu obuphezulu, inkonzo yebhayisekile, ukungcangcazela, kunye nobunzima-umbhobho wodonga, apho kufuneka ukudluliselwa koxinzelelo olungcono kunye nokulungelelaniswa kwe-bore.
03.Kutheni ibore match matter kwi weld neck flange?
Ukuba umbhobho awuhambelani neshedyuli yombhobho, ukulingana{0}}kunokufunekaukugaya, ukulungiswa okungafaniyo, okanye ukulungiswa kwe-weld, ecotha ukufakela kwaye inokuchaphazela ukwamkelwa kokuhlolwa.
04.Izinto eziphathekayo kufuneka zikhethwe njani kwi-weld neck flanges?
Izinto eziphathekayo kufuneka zilandeleimeko yenkonzo. A105iqhelekile kwinkonzo yentsimbi yekhabhoni eqhelekileyo,LF2kubushushu obuphantsi,F11/F22/F91ngenxa yobushushu obuphezulu, kwayeF304/F316 okanye i-duplexkwindawo ezonakalisayo.
05.Ngawaphi amanqaku okuhlola abaluleke kakhulu phambi kokuthunyelwa?
Abathengi badla ngokujongaiklasi, ukujongana, ukuzala, imilinganiselo hub, ukumakisha, kunye nokulandeleka kobushushu, kunyeMTR, PMI, okanye NDEukuba iyafuneka.
Iifayile ezishisayo: i-weld neck flange, i-China weld neck flange abavelisi, ababoneleli, umzi-mveliso
