1. Iyini ipayipi le-Penstock?
Ipayipi le-Penstock lingelamishini ekhethekile, futhi ngokusho kwencazelo ethi "Imithethonqubo Yokugadwa Kokuphepha Kwemishini Ekhethekile", ibhekisela emishinini eshubhu esebenzisa ingcindezi ethile ukuthutha igesi noma uketshezi. I-scope ichazwa njengegesi, igesi encibilikisiwe, i-steam medium enengcindezi yokusebenza ephezulu kakhulu kune-0.1MPa (ingcindezi yokulinganisa), noma i-liquid medium evuthayo, eqhumayo, enobuthi, ebolile enezinga lokushisa lokusebenza eliphezulu kakhulu kune-bolling point ejwayelekile, kanye namapayipi anobubanzi obujwayelekile obukhulu kune-25mm.
Isimiso sokusebenza:
Kwipayipi elilodwa le-Penstock, lithembele emandleni angaphandle noma emandleni ashukumisayo epayipi ngokwalo ukuthutha ipayipi lisuka emthonjeni wepayipi lokucindezela liye ekugcineni kwepayipi lokucindezela.
Izici zePenstock Pipe:
I-Penstock Pipe iyisistimu ehlobene futhi ethintanayo, idonsa futhi inyakazisa umzimba wonke.
Amapayipi okucindezela anesilinganiso esikhulu futhi athambekele ekungazinzini, okuholela ezimweni zokucindezeleka eziyinkimbinkimbi kakhulu kunemikhumbi yokucindezela.
Isimo sokugeleza koketshezi emapayipini okucindezela siyinkimbinkimbi, sinesikhala esincane se-buffer, futhi imvamisa yezinguquko ezimweni zokusebenza iphakeme kuneyemikhumbi yokucindezela (njengokushisa okuphezulu, ukucindezela okuphezulu, izinga lokushisa eliphansi, ukucindezela okuphansi, ukuguquguquka kokuhamba, umoya, iqhwa, ukuzamazama komhlaba, njll.).
Kunezinhlobo ezahlukene zezingxenye zamapayipi kanye nezingxenye zokusekela amapayipi, ngayinye inezici zayo kanye nezidingo zobuchwepheshe ezithile, futhi ukukhethwa kwezinto zokwakha kuyinkimbinkimbi.
Kunezindawo eziningi zokuvuza ezingaba khona epayipini kunasesitsheni sokucindezela, futhi ngokuvamile kunezindawo ezinhlanu zevalvu eyodwa.
Kunezinhlobo eziningi nobuningi bamapayipi okucindezela, futhi kunezixhumanisi eziningi ekuklanyweni, ekukhiqizweni, ekufakweni, ekuhlolweni, nasekuphathweni kwezicelo, ezihluke kakhulu emikhumbini yokucindezela.
Inhloso yePenstock Pipe:
Indawo yokuthutha (inhloso eyinhloko)
Umsebenzi wokugcina (wamapayipi ahamba ibanga elide)
Ukushintshana kokushisa (kwamapayipi ezimboni)
Izinyathelo zokuklama i-Penstock Pipe:
Khetha izinto zombhobho ngokusekelwe kuhlobo oluphakathi nendawo, ingcindezi, kanye nezinga lokushisa.
Bala ububanzi bepayipi kanye nobukhulu bodonga, bese ulungisa noma unquma ithebula lebanga lepayipi.
Thuthukisa izinhlelo zokuhlelwa kwepayipi, nquma umzila wepayipi, kanye nezindlela zokubeka.
Dweba ukwakheka kwephayiphi kanye nombono ohlangothini lwe-axial.
Yakha ithebula lezimpawu zombhobho.
Yenza ukucindezeleka, isinxephezelo sokushisa, futhi usekele izibalo zokusunduza.
Nikeza izinto zobunjiniyela bezakhiwo kubafundi abafanele.
Imidwebo ephelele yokuklama kanye nesiginesha esiphikisayo sokudweba.
2. Izinkinga ekwakhiweni kwesakhiwo samapayipi okucindezela
Ingabe kukhona amaphuzu olwazi oluthile ezinyathelweni zokuklama ofuna ukuwaqonda?
Indlela yokunquma ingcindezi yomklamo:
Indlela yokunquma izinga lokushisa lomklamo:
Izidingo zokuhlelwa kwepayipi:
Amapayipi kufanele abekwe ngaphezulu ngangokunokwenzeka, futhi uma kudingeka, angagqitshwa noma abekwe emiseleni. (Kulula ukuwafaka, ukuwakhiqiza, nokunakekela)
Zama ukusebenzisa umklamo we-hanger ukuze wenze ipayipi lisondele ngangokunokwenzeka ezakhiweni nasezindaweni ezikhona, kodwa gwema izingxenye eziguquguqukayo ezithwala imithwalo emikhulu.
Amapayipi akufanele ahlelwe ngaphakathi kobubanzi bokwakha imigodi yokuphakamisa, izindawo zokukhipha izingxenye zangaphakathi zemishini, kanye nezindawo zokudiliza i-flange.
Ukuhlelwa kwephayiphi kufanele kuhlelwe ngemigqa ehambisanayo, kube nemigqa eqondile kanye nokugoba okuncane kanye nezindawo zokuhlangana ngangokunokwenzeka. Lokhu kunganciphisa inani lama-racks amaphayiphi, konge izinto zokwakha, futhi kube kuhle futhi kube lula ukukufaka.
Amapayipi kufanele ahlelwe ngemigqa ngangokunokwenzeka, futhi phansi kwamapayipi angenalutho kufanele kuhambisane nomhlabathi wokusekela ipayipi ukuze kube lula ukuklama ukwesekwa.
Uma ukuphakama noma indlela ipayipi elihamba ngayo ishintsha, kubalulekile ukugwema ukwakheka "kwezikhwama" zegesi noma uketshezi oluqongelelwe epayipini. Uma lokhu kungenakugwenywa, amavalvu okukhipha uketshezi kufanele afakwe ezindaweni eziphakeme futhi amavalvu okukhipha uketshezi kufanele afakwe ezindaweni eziphansi.
Ukubekwa kwepayipi kufanele kube nomthambeka, futhi isiqondiso somthambeka ngokuvamile sifana nesiqondiso sokugeleza kwezinto, kodwa kunezimo ezihlukile, okumele zinqunywe ngokwenqubo ethile.
Amapayipi angaphezu kwemigwaqo kanye nojantshi akufanele afakwe izinto ezingase zivuze, njengeziphayiphi, amajoyinti anezintambo, ama-compensator anezigcwalisi, njll.
Uma amapayipi edlula ophahleni, phansi, emapulatifomu nasezindongeni, ukuvikelwa kwekhava ngokuvamile kuyadingeka.
Amapayipi angcwatshwe kufanele acabangele umthelela wemithwalo yezimoto, futhi lapho kuwela imigwaqo, kufanele kwengezwe ikheyiji. Ibanga eliphakathi kwengxenye ephezulu yepayipi kanye nobuso bomgwaqo akufanele libe ngaphansi kwamamitha angu-0.6, futhi kufanele libe ngaphansi kokujula kwenhlabathi eqandisiwe.
Uma uxhuma ipayipi legatsha kusuka epayipini elikhulu legesi elivundlile, kufanele lixhunywe kusuka phezulu kwepayipi eliyinhloko.
Ukuze kuhlelwe amapayipi ahlanganyelwe anezingqimba eziningi, amapayipi egesi, amapayipi ashisayo, amapayipi okusetshenziswa, kanye nama-rack ezinsimbi zikagesi kufanele abekwe engxenyeni engenhla, kuyilapho amapayipi aphakathi agqwalisayo kanye namapayipi anezinga lokushisa eliphansi kufanele abekwe engxenyeni engezansi.
Izinto ezivuthayo, eziqhumayo, ezinobuthi, nezigqwalisayo akufanele zibekwe emakamelweni okuhlala, ezitebhisini, emaphasejini, nakwezinye izindawo. Ipayipi lomoya kufanele liholelwe endaweni ekhethiwe yangaphandle noma ngamamitha amabili ngaphezu kophahla.
Amapayipi angenazo izinto zokuvikela ukushisa awadingi izisekelo noma izisekelo zamapayipi. Amapayipi amakhulu angenalutho anezindonga ezincane kanye namapayipi anezendlalelo zokuvikela ukushisa kufanele asekelwe ngama-bracket noma izisekelo zamapayipi.
Izimo zokungcwaba ngqo kwamapayipi yilezi:
◇Amapayipi athutha izinto ezingenabo ubuthi, ezingaboliyo, nezingenaziqhumane awakwazi ukufakwa phansi ngenxa yezizathu ezithile.
◇ Cubungula amapayipi aphakathi nendawo ahlobene namathangi okugcina izinto ngaphansi komhlaba noma amagumbi okupompa angaphansi komhlaba.
◇ Amanzi okupholisa kanye namapayipi omlilo noma amanzi omlilo noma e-foam.
◇ Ukushisa amapayipi anezinga lokushisa lokusebenza elingaphansi kuka-150 ℃.
3. Izimiso zokukhetha izinto ezisetshenziswa kakhulu zamapayipi okucindezela?
Ukusetshenziswa kwezinto zombhobho ezisetshenziswa kakhulu kumapayipi okucindezela kunqunywa yizimo zokusebenza ze-medium ethuthwayo (njengokucindezela, izinga lokushisa) kanye nezici ze-medium ngaphansi kwalezi zimo. Cabangela izici ezilandelayo:
Izinto zokufaka amapayipi ezikhethwayo:
Uma kukhethwa izinto zamapayipi, izinto zensimbi ngokuvamile zicatshangelwa kuqala. Uma izinto zensimbi zingafaneleki, izinto ezingezona ezensimbi zicatshangelwa. Kufanele kuqalwe ukukhetha amapayipi ensimbi ngezinto zensimbi, kulandelwe izinto zensimbi ezingezona ezensimbi. Emapayipini ensimbi, insimbi yekhabhoni kufanele icatshangelwe kuqala, kanti insimbi engagqwali kufanele isetshenziswe uma ingasebenzi. Uma kubhekwa izinto zensimbi yekhabhoni, amapayipi ensimbi ahlanganisiwe kufanele acatshangelwe kuqala, kanti amapayipi ensimbi angenamthungo kufanele akhethwe uma engasebenzi.
Ithonya lokucindezela okuphakathi:
》Uma ingcindezi yendlela yokudlulisa iphezulu, ubukhulu bodonga lwepayipi buyanda, futhi kulapho izidingo zezinto zepayipi ziphakama khona ngokuvamile.
Uma ingcindezi ephakathi ingaphezu kuka-1.6MPa, amapayipi ensimbi angenamthungo noma amapayipi ensimbi angenawo ugesi angakhethwa.
Uma ingcindezi iphezulu kakhulu, njengasekukhiqizweni kwe-ammonia yokwenziwa, i-urea, ne-methanol, amanye amapayipi anomfutho ophakathi ofinyelela ku-32MPa, futhi ngokuvamile asebenzisa amapayipi ensimbi angenamthungo anamandla aphezulu enziwe ngezinto zensimbi ezingu-20 noma ezingu-15MnV.
Amapayipi asemishinini yokuhlanza umoya kanye namapayipi omoya-mpilo anomfutho ongaphezu kuka-10MPa ngokuvamile enziwe ngamapayipi ethusi nethusi.
》Uma ingcindezi ephakathi ingaphansi kuka-1.6MPa, amapayipi ensimbi ahlanganisiwe, ipayipi lensimbi elihlanganisiwe noma amapayipi angewona awensimbi angacatshangelwa. Kodwa-ke, ingcindezi ephakathi ethwalwa yipayipi lensimbi elihlanganisiwe akufanele ibe ngaphezu kuka-1.0MPa. Ingcindezi ephakathi engakwazi ukumelana namapayipi angewona awensimbi ihlobene nezinhlobonhlobo zezinto ezingezona ezensimbi, njengepayipi le-polyvinyl chloride eliqinile, elinengcindezi yesevisi engaphansi noma elingana no-1.6MPa; Amapayipi e-polypropylene aqinisiwe anengcindezi yesevisi engaphansi noma elingana no-1.0MPa; Amapayipi e-ABS, anengcindezi yokusebenza engaphansi noma elingana no-0.6MPa.
》Kumapayipi amanzi, lapho ingcindezi yamanzi ingaphansi kwe-1.0MPa, amapayipi ensimbi ahlanganisiwe enziwe nge-Q235A avame ukusetshenziswa; Uma ingcindezi yamanzi ingaphezu kwe-2.5MPa, amapayipi ensimbi angenamthungo enziwe ngensimbi engu-20 avame ukusetshenziswa.
Ithonya lezakhiwo zamakhemikhali eziphakathi:
Umthelela wezakhiwo zamakhemikhali eziphakathi ubonakala kakhulu ekugqwaleni futhi kufanele ubhekwe kakhulu.
Le ndlela yokuxhumana ayithathi hlangothi futhi ngokuvamile ayidingi izidingo eziphezulu zezinto zokwakha. Amapayipi ajwayelekile ensimbi yekhabhoni angasetshenziswa.
Uma indawo ephakathi ine-asidi noma i-alkaline, kuyadingeka ukukhetha amapayipi amelana ne-asidi noma i-alkali.
Amapayipi enziwe ngensimbi yekhabhoni asetshenziselwa ukuthutha amanzi kanye nomusi.
Umthelela womsebenzi wepayipi uqobo:
Ngaphezu komsebenzi wokudlulisa i-medium, amanye amapayipi nawo anomsebenzi wokumunca ukushaqeka, ukumunca ukwanda kokushisa, futhi angahamba njalo ngaphansi kwezimo zokusebenza.
Umthelela wokwehla kwengcindezi:
Ngemva kokukhethwa kokuqala kwezinto zombhobho, kudingeka ukubalwa kokwehla komfutho wepayipi ukuze kutholakale ububanzi bangaphakathi bombhobho. Bala ukwehla komfutho ukuze ubone ukuthi izinto ezikhethiwe ziyahlangabezana yini nezidingo. Ikakhulukazi lapho ukhetha amapayipi epulasitiki ekuqaleni, kubalulekile ukunaka kakhulu ukubuyekezwa kokwehla komfutho.
4. Izimiso zokukhetha izinto ezisetshenziswa kakhulu zamapayipi ensimbi emipayipini yokucindezela
Yiziphi izimiso zokukhetha izinto ezisetshenziswa kakhulu zamapayipi okucindezela? Namuhla, umhleli uzokhuluma ngale ndaba.
(1) Izinto Ezithandwayo Zokuphayiphi
Uma kukhethwa izinto zamapayipi, izinto zensimbi ngokuvamile zicatshangelwa kuqala. Uma izinto zensimbi zingafaneleki, izinto ezingezona ezensimbi ziyacatshangelwa. Amapayipi ensimbi ayathandwa ezintweni zensimbi, kulandelwe izinto zensimbi ezingezona ezensimbi. Emapayipini ensimbi, insimbi yekhabhoni kufanele icatshangelwe kuqala, kanti insimbi engagqwali kufanele isetshenziswe uma ingasebenzi. Uma kubhekwa izinto zensimbi yekhabhoni, amapayipi ensimbi ahlanganisiwe kufanele acatshangelwe kuqala, kanti amapayipi ensimbi angenamthungo kufanele akhethwe uma engasebenzi.
(2) Ithonya lokucindezela okuphakathi
Uma ingcindezi yendlela yokudlulisa iphezulu, ubukhulu bodonga lwepayipi buyanda, futhi izidingo zezinto zepayipi ngokuvamile ziphakeme.
Uma ingcindezi ephakathi ingaphezu kwe-1.6MPa, amapayipi ensimbi angenamthungo noma amapayipi ensimbi angenawo ugesi angakhethwa. Uma ingcindezi iphezulu kakhulu, njengasekukhiqizweni kwe-ammonia yokwenziwa, i-urea, ne-methanol, amanye amapayipi anomfutho ophakathi ofinyelela ku-32MPa, kanti amapayipi ensimbi angenamthungo aphezulu anezinto ezingu-20 # noma i-15CrMo ngokuvamile akhethwa. Amapayipi ethusi nethusi ngokuvamile asetshenziselwa amapayipi emishinini ye-vacuum kanye namapayipi e-oxygen anomfutho ongaphezu kwe-10MPa.
Uma ingcindezi ephakathi ingaphansi kuka-1.6MPa, amapayipi ensimbi ahlanganisiwe, ipayipi lensimbi elihlanganisiwe noma amapayipi angewona awensimbi angacatshangelwa. Kodwa-ke, ingcindezi ephakathi ethwalwa yipayipi lensimbi elihlanganisiwe akufanele ibe ngaphezu kuka-1.0MPa. Ingcindezi ephakathi engakwazi ukumelana namapayipi angewona awensimbi ihlobene nezinhlobonhlobo zezinto ezingezona ezensimbi, njengepayipi le-polyvinyl chloride eliqinile, elinengcindezi yesevisi engaphansi noma elingana no-1.6MPa; Amapayipi e-polypropylene aqinisiwe anengcindezi yesevisi engaphansi noma elingana no-1.0MPa; Amapayipi e-ABS, anengcindezi yokusebenza engaphansi noma elingana no-0.6MPa.
Kumapayipi amanzi, lapho ingcindezi yamanzi ingaphansi kwe-1.0MPa, amapayipi ensimbi ahlanganisiwe enziwe nge-Q235A avame ukusetshenziswa; Uma ingcindezi yamanzi ingaphezu kwe-2.5MPa, amapayipi ensimbi angenamthungo angu-20 # avame ukusetshenziswa.
(3) Ithonya lokushisa eliphakathi
Amapayipi enziwe ngezinto ezahlukene afanelekela amazinga okushisa ahlukene. Uma izinga lokushisa legesi ye-hydrogen lingaphansi kuka-350 ℃, amapayipi ensimbi angenamthungo angu-20 # avame ukusetshenziswa kugesi ye-hydrogen enomfutho ongu-1.0MPa. Uma izinga lokushisa legesi ye-hydrogen lingaphakathi kuka-351-400 ℃, amapayipi ensimbi angenamthungo angu-15CrMo noma angu-12CrMo avame ukusetshenziswa.
(4) Ithonya lezakhiwo zamakhemikhali eziphakathi nendawo
Thutha imidiya ehlukene usebenzisa amapayipi ahlukene. Amanye ama-media awathathi hlangothi futhi ngokuvamile awadingi izidingo eziphezulu zezinto zokwakha. Amapayipi ajwayelekile ensimbi yekhabhoni angasetshenziswa; Amanye ama-media ane-acid noma i-alkaline, ngakho-ke kuyadingeka ukukhetha amapayipi amelana ne-acid noma i-alkali. Izidingo zokusetshenziswa kwamapayipi zihlukile phakathi kwama-asidi aqinile nabuthakathaka kanye nezisekelo. I-asidi noma isisekelo esifanayo, esinokugxila okuhlukile, sinezidingo ezahlukene zezinto zokwakha zamapayipi. Uma kuthutha amanzi kanye nomusi, amapayipi enziwe ngezinto zensimbi yekhabhoni anele. Ezitshalweni ze-urea, amapayipi ensimbi engagqwali ngokuvamile asetshenziselwa ukuthutha i-carbon dioxide, njengoba i-carbon dioxide yakha i-carbon dioxide lapho ihlangana namanzi, okunomthelela wokugqwala kumapayipi ensimbi ajwayelekile. Uma kukhiqiza i-sulfuric acid, amapayipi ensimbi yekhabhoni angasetshenziswa, kanti kuma-sulfuric acid ancibilikisiwe, amapayipi ensimbi yekhabhoni awakwazi ukusetshenziswa ngoba i-sulfuric acid encibilikisiwe kanye ne-carbon steel kungasabela ngamakhemikhali futhi kugqwale insimbi yekhabhoni. Ngakho-ke, amapayipi e-aluminium aqinile angasetshenziswa.
(5) Umthelela womsebenzi wepayipi uqobo
Ngaphezu komsebenzi wokudlulisa i-medium, amanye amapayipi nawo anomsebenzi wokumuncwa kokushaqeka kanye ne-coefficient of thermal expansion. Ngaphansi kwezimo zokusebenza, angahamba njalo, njengegesi kaphethiloli encibilikisiwe, i-oxygen kanye negesi ye-acetylene ukuze isetshenziswe endaweni yokugcwalisa ibhodlela. Amapayipi enjoloba enziwe ngocingo oluphezulu lwensimbi avame ukusetshenziselwa amapayipi, esikhundleni samapayipi ensimbi aqinile angelula ukuwahambisa.
(6) Umthelela wokwehla kwengcindezi
Ngemva kokukhethwa kokuqala kwezinto zombhobho, kudingeka ukubalwa kokwehla komfutho wepayipi ukuze kutholakale ububanzi bangaphakathi bombhobho. Bala ukwehla komfutho ukuze ubone ukuthi izinto ezikhethiwe ziyahlangabezana yini nezidingo. Ikakhulukazi lapho ukhetha amapayipi epulasitiki ekuqaleni, kubalulekile ukunaka kakhulu ukubuyekezwa kokwehla komfutho.
Ukuze kubalwe ipayipi lokucindezela, ekwakhiweni kobunjiniyela, ibhalansi yezinto ezibonakalayo, ibhalansi yamandla kanye nokubalwa kwemishini ngokuvamile kwenziwa ngokwesilinganiso sokukhiqiza ukuze kunqunywe ukugeleza kwezinto. Ngokubhekisela kudatha efanele, cabanga ngesilinganiso sokugeleza kwezinto ezibonakalayo, bala ububanzi bangaphakathi bepayipi, hlola incwadi yesandla noma ejwayelekile, bese ukhetha ipayipi ejwayelekile. Ububanzi bangaphakathi bepayipi ejwayelekile evame ukukhethwa kufanele bulingane noma bube bukhulu kancane kunobubanzi bangaphakathi obubaliwe bepayipi. Bala futhi ukwehla kwengcindezi yepayipi.
Ithebula lokucaciswa kanye nesisindo ngethebula lemitha ngalinye lamapayipi ensimbi ahlanganisiwe ajikelezayo
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| Igama Lomkhiqizo | Ipayipi lensimbi elihlanganisiwe elihlanganisiwe |
| Okujwayelekile | I-API 5L psl1/psl2, ISO9000, DIN2240, ASTM A500, A501, A53 EN10219/EN10210, JIS G3466, GB/T6728,GB/T3094,GB/T3091,GB/T95TSY/671,GB/T95TSY/670 |
| Osayizi | 219mm kuya ku-4020mm |
| Ubukhulu | 4mm kuya ku-30mm |
| Ukuhlolwa kwe-NDT | I-UT, i-RT, i-hydrostatic, |
| Imiphetho Egobile | 30DEG,(-0, +5) |
| Ubude | 3M-ubuningi.24 metres, noma njengoba kudingeka |
| Ukwelashwa kwendawo | Okumnyama okupendwe/okugayiwe nge-galvanizing njll. |
| Iziphetho Ezinwetshiwe Ezishisayo | Kuyatholakala |
| Ukupakisha | Intambo ye-PCS/inayiloni ekhululiwe (yamapayipi okumboza) |
| Ezokuthutha | ngeziqukathi ezingama-20/40FT noma ngezitsha ezinkulu ngokwesimo |
| Isicathulo senqwaba | I-OEM/ODM (yokufaka inqwaba) |
| Ukuhlolwa komuntu wesithathu | SGS/BV/JIS/ISO/API/GB/BC1/EPD&PHD |
| Isikhathi Sokukhokha | TT, LC |
| Isicelo | ukuthuthwa kwamanzi/uketshezi, ukunqwabelanisa, izisekelo zesakhiwo, ukuguguleka, njll. |
UMBONISO WESITOLO SOMSEBENZI
Abantu baseYuantai abanokholo oluqinile bazibophezele ekwenzeni umhlaba uthandane nezinto ezenziwe eShayina. Umoya omsulwa nolula weYuantai ufake izinga lokushisa lamaphupho ensimbini ebandayo.
Isikhathi singashintsha yonke into, kodwa isikhathi singase singashintshi yonke into, njengenhliziyo yokuqala.
Ukuphikelela okuqhubekayo kufinyelele iqhawe elilodwa lesigaba
Eshabhu likaYuantai, ubulili obubuthakathaka abuphansi kunobesilisa.
Abantu baseYuantai bayakhanya futhi balwa ezindaweni zabo ezivamile
Le nkampani ibheka kakhulu ikhwalithi yemikhiqizo, itshala imali eningi ekwethulweni kwemishini ethuthukisiwe kanye nochwepheshe, futhi yenza konke okusemandleni ayo ukuhlangabezana nezidingo zamakhasimende ekhaya nakwamanye amazwe.
Okuqukethwe kungahlukaniswa cishe kube: ukwakheka kwamakhemikhali, amandla okukhiqiza, amandla okudonsa, impahla yomthelela, njll.
Ngesikhathi esifanayo, inkampani ingenza futhi izinqubo zokuthola amaphutha kanye nokufaka i-annealing ku-inthanethi kanye nezinye izindlela zokwelapha ukushisa ngokwezidingo zamakhasimende.
https://www.ytdrintl.com/
I-imeyili:sales@ytdrgg.com
I-Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.iyifektri yamapayipi ensimbi eqinisekiswe yi-EN/I-ASTM/ I-JISngokukhethekile ekukhiqizweni nasekuthunyelweni kwamanye amazwe kwazo zonke izinhlobo zamapayipi angunxande ayisikwele, amapayipi agqitshiwe, amapayipi agqitshiwe e-ERW, amapayipi ajikelezayo, amapayipi agqitshiwe angaphansi komhlaba, amapayipi omthungo oqondile, amapayipi angenamthungo, ikhoyili yensimbi embozwe ngombala, ikhoyili yensimbi egqitshiwe kanye neminye imikhiqizo yensimbi. Njengoba ilula ukuhamba, iqhele ngamakhilomitha ayi-190 ukusuka eBeijing Capital International Airport kanye namakhilomitha angama-80 ukusuka eTianjin Xingang.
I-Whatsapp:+8613682051821
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