Intshayelelo
Iinkqubo zolwelo ezithembekileyo zixhomekeke kwiikhonkco ezivala ngokukhuselekileyo, ezifakelwa ngokukhawuleza, kwaye zihlala zilungele ukusetyenzwa phantsi koxinzelelo. Izixhobo zombhobho woxinzelelo ziyahlangabezana nezo mfuno ngokusebenzisa amandla oomatshini endaweni yokuwelda okanye ubushushu, nto leyo eyenza ukuba zixhaphake kwizixhobo, kwiindlela zokucubungula, kwiinkqubo zamanzi, nakwinkonzo yegesi. Eli nqaku lichaza iintlobo eziphambili zokufakela, apho nganye isetyenziswa khona, kunye nezinto ezisebenzayo ezichaphazela ukusebenza, kubandakanya izinto zokufaka iityhubhu, umlinganiselo woxinzelelo, uluhlu lobushushu, kunye neemfuno zokugcinwa. Ekugqibeleni, uya kuba nesakhelo esicacileyo sokuthelekisa ukhetho kunye nokukhetha isixhobo esifanelana nesicelo kunye nendawo yokusebenza.
Kutheni izixhobo zombhobho wokucinezela zibalulekile ekuphathweni kolwelo lwanamhlanje
Yanamhlanjeinkqubo yokuphatha ulweloifuna uqhagamshelo oluqinileyo nolungenamanzi olukwaziyo ukumelana noxinzelelo olunzima lokusebenza.Izixhobo zombhobho wokucinezelwaziye zavela njengenxalenye ebalulekileyo kwezi nethiwekhi, zibonelela ngesitywino soomatshini esingaxhomekekanga kubushushu okanye kwintambo enzima. Ngokusebenzisa i-nut kunye ne-ferrules enye okanye ezingaphezulu ukucinezela ngaphandle kwetyhubhu, ezi zifakelo zenza isitywino esiqhubekayo, esingaxinzelelekiyo.
Ukubaluleka kwezi fittings kuxhomekeke ekubeni zisebenza ngeendlela ezahlukeneyo kwaye zinyamezela uxinzelelo oluphezulu. Ngokuxhomekeke kwizinto ezisetyenzisiweyo kunye noyilo, fittings zoxinzelelo oluphezulu zinokulawula ngokukhuselekileyo uxinzelelo olusebenzayo oludlula i-10,000 PSI (689 bar). Olu buchule lubenza babaluleke kakhulu kwiindawo apho ulwelo oluguquguqukayo, olunetyhefu, okanye olunexabiso eliphezulu luthuthwa khona, kwaye apho ukuvuza okubi kakhulu kunokubangela iingozi ezinkulu zokhuseleko okanye ixesha lokungasebenzi elibizayo.
Izixhobo zombhobho wokucinezela zinciphisa njani ixesha lokufakelwa kunye nokugcinwa?
Enye yezona nzuzo ziphambili zokufakelwa kweepayipi zoxinzelelo kukukhawuleza kokuhlanganiswa. Iindlela zokudibanisa zemveli, ezinje ngokuwelda, zifuna umsebenzi okhethekileyo, ukulungiswa okubanzi komphezulu, kunye nokufunyanwa kweemvume zokusebenza ezishushu. Ngokususa ezi mfuno, ukufakwa kweepayipi zoxinzelelo kunokuvelisa ukuncipha kwe-50% ukuya kwi-70% kwixesha lokufakelwa.
Imijikelo yokulungisa ikwanceda kakhulu kwiindlela zokufakela oomatshini. Xa kufuneka kutshintshwe okanye kulungiswe iinkqubo, izixhobo zoxinzelelo zingasuswa kwaye ziphinde zihlanganiswe ngokulula, zihlala zifuna i-ferrule yokutshintsha endaweni yokusikwa ngokupheleleyo kombhobho kunye nokuwelda kwakhona. Olu hlobo lohlengahlengiso lunciphisa ixesha lokungasebenzi kwenkqubo ukusuka kwiintsuku ukuya kwiiyure nje, nto leyo echaphazela ngokuthe ngqo umgangatho wokusebenza.
Ziphi izixhobo zokufaka iipayipi zoxinzelelo ezichazwe kakhulu kumashishini onke?
Ukwamkelwa kwezixhobo zokufaka iipayipi zoxinzelelo kugubungela uluhlu olwahlukeneyo lwamashishini afuna izinto ezininzi. Kwicandelo leoyile negesi, zichazwe ngokubanzi kumaqonga aselunxwemeni, kwiindawo zokucoca, nakwiiphaneli zolawulo zangaphantsi kolwandle apho ukungcangcazela kunye noxinzelelo olukhulu zihlala zihleli. Izityalo zokucubungula iikhemikhali zixhomekeke kuzo ukuphatha izinyibilikisi ezinamandla kunye nee-asidi ezibolayo ngokukhuselekileyo.
Ngaphandle kwemizi-mveliso enzima, ezi zinto zisetyenziswa kakhulu kwizixhobo zohlalutyo, ukwenziwa kwee-semiconductor, kunye nokusetyenziswa kweenqwelo-moya. Kule mimandla, ubungakanani beetyhubhu buhlala buqala kwimigca emincinci eyi-1/16-intshi yangaphandle ububanzi (OD) ye-chromatography yegesi echanekileyo ukuya kwimigca ye-OD eyi-2-intshi yokudluliselwa kolwelo olukhulu. Ukukwazi ukugcina imigangatho yobumsulwa obuphezulu kakhulu (UHP) ngaphandle kokungenisa i-weld slag okanye i-thread sealants kubenza babe ngumgangatho wokuthutha ulwelo olubalulekileyo.
Zithini izixhobo zombhobho wokucinezela, kwaye zeziphi iintlobo kunye nezinto ezisetyenziswayo
Embindini wazo, izixhobo zombhobho wokucinezela ziqulathe izinto ezintathu eziphambili: umzimba wombhobho, i-nut, kunye ne-ferrule (okanye iseti ye-ferrule). Xa i-nut iqiniswe emzimbeni, inyanzela i-ferrule kwindawo yomzimba enciphileyo. Esi senzo sibangela ukuba i-ferrule iguqulwe ngeplastiki kwaye ilume kwi-tubing, nto leyo eyenza isitywino esiyintloko kunye nokubamba okuqinileyo koomatshini okumelana nokuqhushumba kwe-tubing phantsi koxinzelelo.
Ziziphi iintlobo eziphambili zezixhobo zokufaka iipayipi zoxinzelelo?
Olu shishino luhlulahlula ikakhulu izixhobo zokucinezela zibe ziindlela ezimbini ezahlukeneyo: iinkqubo ze-single-ferrule kunye neenkqubo ze-double-ferrule. Izixhobo ze-single-ferrule zisebenzisa iringi yokucinezela eyedwa eluma kwityhubhu ukubonelela ngemisebenzi yokutywina kunye nokubamba. Ngokuqhelekileyo zinokuba neempazamo zomsebenzisi ngexesha lokufakwa kodwa zingabizi kakhulu kwizicelo eziphantsi koxinzelelo.
Izifakelo zeeferrule ezimbini zahlula le misebenzi. Iferrule engaphambili yenza isitywina esiqinileyo nxamnye nomzimba wokufakela kunye ne-OD yetyhubhu, ngelixa iferrule engasemva iqhubela phambili iferrule engaphambili kwaye inika ukubamba okuqinileyo koomatshini kwityhubhu. Olu yilo lwezenzo ezimbini lubonelela ngokumelana okuphezulu kokungcangcazela kwaye luhlawulela utshintsho oluncinci kubukhulu bodonga lwetyhubhu kunye nobunzima, okwenza kube lolona khetho lukhethwayo kwiizicelo zoxinzelelo oluphezulu kunye nolubalulekileyo.
Zeziphi izinto ezifanelekileyo kakhulu kwizixhobo zokufaka iipayipi zoxinzelelo?
Ukukhethwa kwezinto kulawula ukuhambelana kweekhemikhali kwesifakelo, imida yobushushu, kunye nokuqina kwesakhiwo. Intsimbi engagqwaliyo ye-316/316L yimigangatho yeshishini kwizicelo zoshishino ngenxa yamandla ayo agqwesileyo kunye nokumelana nokugqwala. Kwiindawo ezingcolisa kakhulu, ezifana nokuphathwa kwegesi emuncu, ii-alloys ezingaqhelekanga ezifana neMonel 400, iHastelloy C-276, kunye neTitanium zichaziwe.
I-brass isetyenziswa rhoqo kwiinkqubo zomoya kunye nokusetyenziswa kwamanzi aphantsi koxinzelelo ngenxa yokusebenza kwayo kakuhle kunye nexabiso eliphantsi. Kwiindawo apho isinyithi singasetyenziswa khona, njengokuphathwa kweekhemikhali ezicocekileyo kakhulu, kusetyenziswa ii-fluoropolymers ezifana ne-PTFE okanye i-PFA.
| Izinto eziphathekayo | Ubushushu obuphezulu bokusebenza | Ukumelana nokugqwala | Isalathisi seendleko eziqhelekileyo (Isiseko 1.0) |
|---|---|---|---|
| Intsimbi yobhedu | 400°F (204°C) | Ephantsi ukuya kwePhakathi | 0.5 |
| Intsimbi Engagqwaliyo engama-316L | 1000°F (537°C) | Phezulu | 1.0 |
| IMonel 400 | 800°F (426°C) | Phezulu Kakhulu (Elwandle/E-HF) | 4.5 |
| I-PTFE (iTeflon) | 400°F (204°C) | Igqwesile (Yekhemikhali) | 2.5 |
Zeziphi izinto zobugcisa ezichaza ukusebenza, kuquka uluhlu loxinzelelo kunye nobushushu?
Ukusebenza kulawulwa kakhulu kukudibana phakathi koxinzelelo, ubushushu, kunye neempawu zetyhubhu. Njengoko amaqondo obushushu okusebenza esanda, uxinzelelo oluvumelekileyo lokusebenza kwetyhubhu kunye nokufakelwa luyancipha. Umzekelo, i-316 stainless steel fitting elinganiselwe i-5,000 PSI kubushushu begumbi inokulinganiselwa kuphela kwi-3,500 PSI kwi-800°F (426°C) ngenxa yento ebangela ukuwohloka kwezixhobo.
Ngaphezu koko, ubukhulu bodonga lwetyhubhu kufuneka buhambelane noyilo lokufakela. Ukuba udonga lwetyhubhu luncinci kakhulu, i-ferrule inokuyityumza ityhubhu endaweni yokuyibamba; ukuba inzima kakhulu, i-ferrule isenokungalumi ngokwaneleyo. Abavelisi banikezela ngeetafile zedatha epheleleyo yetyhubhu echaza ubuncinci kunye nobukhulu bodonga obamkelekileyo kubungakanani be-OD nganye ukuqinisekisa ukhuseleko lwe-4:1.
Zithelekiswa njani izixhobo zombhobho wokucinezela nentambo, ezifakwe isinyithi, kunye
Iinjineli kufuneka zihlale zivavanya umahluko phakathi kweendlela ezahlukeneyo zokudibanisa. Nangona ukuwelda kunika i-joint ehlala ihleli, engenamanzi ngokwethiyori, kwazisa ubunzima obukhulu bezinto zokusebenza. Uqhagamshelo olunemisonto lulula kodwa luyaziwa ngokukhupha amanzi phantsi kokungcangcazela kunye nokujikeleza kobushushu. Izixhobo zombhobho woxinzelelo zimi kwindawo apho ukuthembeka koomatshini kunye nokulula kokuhlanganiswa, zibonelela ngenye indlela enomtsalane kuneendlela zemveli.
Ngawaphi amanqaku okuthelekisa ekufuneka abathengi bawavavanye: izakhono zokufakela, iindleko, kunye nokuthembeka?
Xa kuvavanywa iindlela zokudibanisa, abathengi kufuneka baqwalasele iindleko ezipheleleyo zoqhagamshelo. Ukuwelda kufuna abasebenzi abanobuchule obuphezulu, abaqinisekisiweyo, izixhobo ezibizayo, kwaye kudla ngokufuna uvavanyo olungonakalisiyo (NDT) olufana nokuhlolwa kwe-X-ray. Nokuba kukho imigaqo engqongqo, amazinga okungasebenzi kakuhle kokuwelda anokufikelela kwi-2% ukuya kwi-5% kwiindawo ezintsonkothileyo zokufakelwa, nto leyo edinga ukulungiswa okubizayo.
Izixhobo ezifakelwe imisonto, nangona zifuna ubuchule obuncinci kunye nezixhobo, zixhomekeke kwiisealants zemisonto okanye iteyiphu ye-PTFE enokonakala ngokuhamba kwexesha, nto leyo ekhokelela kumthwalo ophezulu wokugcinwa komjikelo wobomi. Izixhobo ezifakelwe imisonto zifuna uqeqesho oluphakathi—ngesiqhelo ikhosi emfutshane yesatifikethi kwiinkqubo ezifanelekileyo zokuqinisa, njengomthetho oqhelekileyo othi “1-1/4 ijika idlule kwiminwe”. Ixabiso lokuqala lecandelo lokufakela imisonto liphezulu kunelo lilingana nemisonto, kodwa ixabiso lilonke elifakelweyo lihlala liphantsi ngenxa yokonga abasebenzi.
Yeyiphi itheyibhile echaza ngcono umahluko phakathi kokufakelwa kwemibhobho yokucinezela kunye nezinye iindlela?
Le theyibhile ilandelayo ichaza umahluko ophambili phakathi kwendlela yokudibanisa imibhobho eqhelekileyo kunye neendlela zokudibanisa iityhubhu, inceda abachazi ekukhetheni indlela efanelekileyo yenkqubo yabo yolwelo.
| Indlela yokujoyina | Isantya soFakelo | Umsebenzi Oshushu Uyafuneka | Ukumelana nokungcangcazela | Izinga Eliqhelekileyo Lesiphako/Ukuvuza (Intsimi) |
|---|---|---|---|---|
| Ukulinganisa ucinezelo | Ukukhawuleza (Imizuzu) | No | Phezulu (I-Double Ferrule) | < 1% (ngoqeqesho olufanelekileyo) |
| I-Threaded (NPT) | Ukukhawuleza (Imizuzu) | No | Iphantsi | 5% – 10% (Umjikelo wobomi) |
| Ithengisiwe / Ibhondi | Iphakathi | Ewe | Iphakathi | 2% – 4% |
| I-Welded (TIG/Orbital) | Icotha (Iiyure) | Ewe | Phezulu kakhulu | 1% – 5% (Ngaphambi kwe-NDT) |
Abachazi kunye nabathengi bafanele bayikhethe njani ipayipi yokucinezela efanelekileyo
Ukukhetha i-compression pipe fitting efanelekileyo kufuna indlela ecwangcisiweyo ukuqinisekisa ukhuseleko, ukuhambelana, kunye nokusebenza kakuhle kwe-supply chain. Amaqela okuthenga kunye neenjineli kufuneka basebenzisane ukuchaza iiparameter zobugcisa ngaphambi kokuba bajonge indawo yomthengisi. Ukungahoyi utshintsho olunye, olufana nokungcangcazela kwenkqubo okanye ukugqwala kwe-galvanic yendawo, kunokukhokelela ekusileleni kwangethuba.
Yeyiphi inkqubo yokukhetha inyathelo ngenyathelo enceda ukufanisa izixhobo zombhobho wokucinezela nokusetyenziswa?
Inkqubo yokukhetha iqala ngokuchaza imidiya yenkqubo, elawula izinto ezifunekayo kunye ne-ferrule. Okulandelayo, iinjineli kufuneka zibale uxinzelelo oluphezulu lwenkqubo kunye nobushushu ukuze zisebenzise izinto ezichanekileyo zokususa izinto. Indlela eqhelekileyo yokusebenza kushishino kukugcina ukhuseleko lwe-4:1 ngokusekelwe kuxinzelelo oluqhumayo lwetyhubhu.
Inyathelo lesithathu libandakanya ukufanisa ukufakwa kweetyhubhu neenkcukacha ezichanekileyo. Umthetho obalulekileyo kwiinkcukacha zokufakwa kweetyhubhu zokucinezela kukwahluka kobulukhuni: iityhubhu kufuneka zithambile kunezinto zokufakela ukuze i-ferrule ilume ngokufanelekileyo. Umzekelo, kwiinkqubo zentsimbi engagqwaliyo, iityhubhu ngokubanzi akufuneki zidlule ubulukhuni be-80 HRB kwisikali seRockwell.
Zeziphi iimfuno zokuthobela imithetho, isiqinisekiso, kunye nolawulo lomgangatho ezibaluleke kakhulu?
Ukuthobela imithetho kunyeukuqinisekisa umgangathoazinakuxoxiswana ngazoiinkqubo zolwelo ezibalulekileyo. Abachazi-magama kufuneka bajonge izixhobo ezenziwe phantsi kweenkqubo zolawulo lomgangatho ze-ISO 9001 ezingqongqo. Kwizinto eziqulathe uxinzelelo, ukunamathela kwimigangatho efana ne-ASME B31.1 (Power Piping) kunye ne-ASME B31.3 (Process Piping) kubalulekile.
Kwicandelo leoyile negesi, izixhobo kufuneka zihlale zihambelana ne-NACE MR0175 / ISO 15156, echaza iimfuno zeesinyithi ezivezwe kwigesi emuncu (i-hydrogen sulfide) ukuthintela ukuqhekeka koxinzelelo lwe-sulfide. Ukongeza, abathengi kufuneka bagunyazise ukubonelelwa ngeeNgxelo zoVavanyo lweMpahla (ii-MTR) ukuqinisekisa ukulandeleka ngokupheleleyo kwekhemistri ye-alloy ukusuka kwisiseko ukuya kwimveliso yokugqibela eyenziwe ngomatshini.
Zeziphi izinto ekufuneka ziqwalaselwe xa kukhethwa ababoneleli ngeenkonzo kunye nokuthengwa kwempahla?
I-Supply chain dynamics idlala indima ebalulekileyo ekuthengweni kwezixhobo zokufaka iipayipi zoxinzelelo. Nangona izixhobo zentsimbi engagqwaliyo ze-316L eziqhelekileyo ngobukhulu obuqhelekileyo (umz., 1/4″, 3/8″, 1/2″) zihlala zifumaneka ngaphandle kweshelufu, izixhobo ezingaqhelekanga ezifana neSuper Duplex okanye iTitanium zinokuthwala amaxesha okukhokela eeveki ezisi-8 ukuya kwezili-12.
Abathengi kufuneka basebenzise ubuncinci be-oda (ii-MOQ). Uqwalaselo olwenziwe ngokwezifiso okanye izixhobo ezingezizo ezisemgangathweni zihlala zibangela ii-MOQs ukusuka kwiiyunithi ezili-100 ukuya kwezingama-500, nto leyo enokuchaphazela uhlahlo-lwabiwo mali lweprojekthi ukuba kufuneka umthamo omncinci kuphela. Ukuseka ubudlelwane ne-umthengisi ogcina uluhlu olupheleleyo lwezinto ezisetyenzisiweyookanye iinkqubo ze-inventri ezilawulwa ngumthengisi (VMI) zinokunciphisa ezi zithintelo zokubonelela.
Zeziphi iindlela zokuthatha isigqibo ezikhokelela ekufakweni kombhobho ocinezelweyo ngokuchanekileyo
Isigqibo sokugqibela malunga noqhagamshelo lwenkqubo yolwelo sixhomekeke ekulinganiseni inkcitho yemali ekhawulezileyo ngokuchasene nokusebenza kwexesha elide. Nangona ukulungelelaniswa kwezixhobo zokufaka iipayipi zoxinzelelo kubonisa utyalo-mali olucwangcisiweyo, kufuna ukuqonda ngokucacileyo iindleko zizonke zobunini (TCO) kunye nokubambelela ngokuqinileyo kwiindlela ezilungileyo zobunjineli.
Amaqela eprojekthi afanele alinganise njani ixabiso eliphambili kunye nokuthembeka kunye neendleko zomjikelo wobomi?
Amaqela eprojekthi ahlala edibana "nomothuko wesitikha" xa ethelekisa ixabiso leyunithi ye-double-ferrule stainless steel compression fitting kunye ne-standard carbon steel threaded fitting, apho iiprimiyamu zihlala zidlula i-20% ukuya kwi-30%. Nangona kunjalo, lo mahluko wexabiso lokuqala uncitshiswa ngokukhawuleza kukuncitshiswa kweeyure zomsebenzi ezikhethekileyo.
Ngaphezu koko, uhlalutyo lweendleko zomjikelo wobomi luthanda kakhulu izixhobo zokucinezela kwiindawo eziguquguqukayo. Ixabiso lokuvuza okukodwa komoya ophumayo—okulinganiswe kwimveliso elahlekileyo, izohlwayo zokusingqongileyo, kunye neeyure zokulungisa ezingxamisekileyo—linokudlula lula lonke uhlahlo lwabiwo-mali lokuthenga izixhobo ezixabisa i-skid. Ngokucwangcisa iindawo zokuvuza ezikhoyo kwiinkqubo ezinemisonto, izixhobo zifumana i-TCO ephantsi kumjikelo wobomi besityalo oqhelekileyo weminyaka eli-15 ukuya kwengama-20.
Sisiphi isikhokelo sokugqibela esinceda ekumiseleni ukuba izixhobo zombhobho wokucinezela zezona zilungileyo nini?
Ukugqiba isigqibo, abachazi-magama kufuneka basebenzise uluhlu lokuhlola olungqongqo lwesicelo. Ukuba inkqubo ibandakanya imidiya enobungozi, ukungcangcazela okuphezulu, uxinzelelo lokusebenza olungaphezulu kwe-500 PSI, okanye ifuna ukuqhaqhwa rhoqo ukuze kulungiswe, izixhobo zombhobho wokucinezela ziyacetyiswa kakhulu. Ngokwahlukileyo koko, kwimigca yamanzi esetyenziswayo engashukumiyo nephantsi koxinzelelo apho ulondolozo lunqabile, ezinye iindlela ezingabizi kakhulu zinokwanela.
Ekugqibeleni, impumelelo yenkqubo yokudibanisa ucinezelo ixhomekeke ekuhambelana kwecandelo. Umthetho wegolide weli shishini kukuphepha ukuxuba izinto—ezifana neenati, iiferrules, kunye nemizimba—kubavelisi abahlukeneyo. Nokuba umahluko omkhulu we-0.001 intshi phakathi kweempawu ezikhuphisanayo unokuphazamisa isitywina soomatshini, uvale iziqinisekiso, kwaye ufake amanqaku okusilela abalulekileyo kwinkqubo yokuphatha ulwelo.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Izigqibo ezibaluleke kakhulu kunye nesizathu sokufakelwa kwemibhobho yokucinezela
- Iinkcukacha, ukuthobela imithetho, kunye nokuhlolwa komngcipheko okufuneka kuqinisekiswe ngaphambi kokuba uzibophelele
- Amanyathelo alandelayo asebenzayo kunye nezilumkiso abafundi abanokuzisebenzisa ngoko nangoko
Imibuzo ebuzwa qho
Yintoni eyona nzuzo iphambili yezixhobo zokufaka iipayipi zoxinzelelo?
Benza isitywini esiqinileyo nesinoxinzelelo oluphezulu ngaphandle kokuwelda okanye ukudityaniswa kwentambo okuntsonkothileyo, okukhawulezisa ukufakwa kwaye kwenza kube lula ukugcinwa.
Ndingayikhetha nini i-double-ferrule fitting?
Sebenzisa izixhobo ze-double-ferrule kwiinkqubo zoxinzelelo oluphezulu, ezithambekele ekungcangcazeleni, okanye ezibaluleke kakhulu kuba zibonelela ngokubamba nokuthembeka okungcono kokutywina kunezoyilo ze-single-ferrule.
Yeyiphi into efanelekileyo kwizixhobo zokufaka iipayipi zoxinzelelo?
Intsimbi engagqwaliyo engama-316/316L ifanele ukusetyenziswa kakhulu kwimizi-mveliso; ithusi lingena emoyeni okanye emanzini anoxinzelelo oluphantsi; iMonel, iHastelloy, ititanium, iPTFE, okanye iPFA zingcono kwimidiya ebola kakhulu okanye ecocekileyo kakhulu.
Zisetyenziswa phi izixhobo zokufaka imibhobho yokucinezela?
Zisetyenziswa kakhulu kwiinkqubo zeoyile negesi, ekucutshungulweni kweekhemikhali, ekusetyenzisweni kwezixhobo, kwiinkqubo ze-semiconductor, nakwiinkqubo zeenqwelo-moya apho ukuthintela ukuvuza kunye nokudibanisa okucocekileyo kubalulekile.
Ndingayikhetha njani i-compression fitting efanelekileyo kwi-nbfh-metal.com?
Tshatisa ukufakelwa kwetyhubhu yakho kwi-OD, uxinzelelo, ubushushu, imidiya, kunye nenqanaba lokungcangcazela, uze ukhethe izinto ezihambelanayo kunye noyilo lwe-ferrule kuluhlu lwezixhobo zoxinzelelo lwe-NBFH Metal.
Ixesha leposi: Meyi-11-2026