www.oepipe.com

Ama-Duplex Flanges ayimidlalo emibili emikhulu equkethe amamaki we-auntenitic nama-ferritic. Amabanga ahlukahlukene aklanywe ngokugxila okuhle kwamakhemikhali kwe-chromium, ama-nickel namanani amancane kaMolybdenum. Ukuhlushwa okuhle kakhulu kwenza la ma-module amelana nezemidiya enolaka futhi oxegatize.

Ama-flanses aphezulu asebenzisa ama-alloys ahlanzekile anezinto ezixubile ezine-miclexitic auntenitic kanye ne-ferritic miscructor kanye ne-molybdenum ephezulu ne-chromium. Lokhu kuhlanganiswa kwamakhemikhali aphakeme kunikeza ukumelana okuphezulu kanye namandla andayo. Imikhiqizo esiyenzayo isetshenziswa ezinhlobonhlobo zezicelo kanye nezimboni. Lawa ma-flanges amelana kakhulu ezindaweni ezilimazayo, acidic kanye nokunciphisa izimo.

Ama-Flanges e-Druplex anezakhiwo ezinhle kakhulu njengokwakhiwa okunamandla, amandla aphezulu wesivuno, ukuqeda okuphakeme, ukuqina okuphezulu, ukumelana nokugqwala, nokuningi. Kusetshenziswa kabanzi kwizicelo ezahlukahlukene kanye nezimboni. Lawa ma-flanges amelana kakhulu ezindaweni ezilimazayo, acidic kanye nokunciphisa izimo.

Ngokusekelwe ekwakhekeni, izinto ezisetshenziswayo zingahlukaniswa njenge-Dumplex Ejwayelekile, i-Super Duplex, kanye ne-Lean Dumplex. Ama-Flanges e-Druplex alungele ingcindezi ephezulu, izinga lokushisa eliphakeme nezicelo ezilonakalisayo. I-Duplex futhi ibiza ngempumelelo futhi isanda kusetshenziswa futhi yathathelwa indawo amabanga athile.

Amamojula we-Robust amelana ne-acid pitopit in Systems Marine. AmaFuplex Flanges axhumeka ngempumelelo amamojula ahlukene ohlelo ohlelweni futhi athinte ukugeleza koketshezi noma amagesi. Leli banga linamandla aphezulu nokuvimbela ukuqhekeka kunamabanga ajwayelekile auntenitic. Lawa ma-flanges nawo ane-actility enhle futhi angafakwa endaweni esebenzisa izinqubo ezijwayelekile.

Ukugqwala duplex Ama-Flanges ahlinzeka ngemboni ngesisombululo sensimbi esingejwayelekile ngokumelana nokugqwala okuhle kwe-sulfide ukubhuka kanye nokuphikiswa okungcono kokugqwala kwe-chloride kanye ne-crevice.

Amabanga angenasici angenayo i-chromium engaphezu kwe-12% ku-alloy amelana nemiphumela ye-oxidation. Endabeni ye-Super Dumplex Steel engabi-nkundla engama-2507, i-alloy yayo iqukethe ama-chromium angama-25%, athuthukisa ukumelana ooxidation ngisho nasekushiseni okuphezulu.

Ukuvezwa kwama-alloys ajwayelekile we-auntenitic kulesixazululo kuzovame ukubangela ukuqhekeka ngaphansi kwengcindezi njengoba i-chloride ion idiphozi ezindongeni ze-flange. Ngoba i-ASTM A182 F51 FLANES equkethe isilinganiso esilinganayo se-Autenite neFerrite, zinokungamelana kahle kwe-SCC.

I-ANSI B16.5 I-Dumplex Insimbi Plate Flate Flanges iyatholakala ngezilinganiso zokucindezela kusuka ku-150 kuye kwangama-2500, kanti ezijwayelekile zihlanganisa osayizi bezithombe zepayipi ezivela ku-NPS? Ku-NPS 24. I-Duplex Steel Flainless Flange Material Weading ahlangana namazinga aphesheya. Sikhiqiza amamaki ahlukene we-Duplex Steel edinga izimfanelo ezahlukene ezizosetshenziswa ezinhlelweni ezihlukile.

Ngenxa yokumelana kahle kwe-alloy ku-dilute hydrochloric acid, super duplex Flanges angasetshenziswa embonini yokucubungula amakhemikhali. Enye inkinga evamile enama-alloys ensimbi ukuthi bavame ukulungiswa ngesikhathi se-welding. Lapho i-alloy ifakwe, izinga lokushisa liphezulu, futhi ama-athomu wekhabhoni ngokweqile anembe ukuze akha amakhambi e-carbide.

Lokhu kuvuselela umngcele wokusanhlamvu, wehlisa buthaka futhi uyakulungisa. Inzuzo ye-Welding Alloy Alloy 2507 Flanges eyimpumputhe ukuthi amakhemikhali e-alloy awo anokuqukethwe okuphansi kakhulu kwekhabhoni. Lokhu kwenza kube nzima ukwakha ama-carbide ama-precipide kanye nokuvimbela ngokungafanele ukugqwala.

Duplex 2205 flanges have a ductile to brittle transition at -50¡ãC and also become brittle at 300-1000¡ãC, so the recommended service temperature is -50¡ãC to 300¡ãC. Ukuchayeka ngaphezulu kwe-300¡Ãc ngeke kudale kuphela ukufona kwalo-2205 flange, kepha kuzonciphisa ukumelana nokugqwala.

Ngaphezu kwaleli banga elijwayelekile le-Dumplex, kukhona amabanga amakhulu duplex kanye ne-lean duplex. Ama-Flanges enziwe ngokuwa kwensimbi e-ASTM A182 F51 ANS S31803 nabanye. I-ASTM A182 Ukucaciswa kufaka phakathi izingxenye zengcindezi yezicelo zebanga le-Pressure. Lawa ma-Druplex Flanges angasetshenziswa ekucindezelweni okuphezulu kanye nezinsizakalo zokushisa eziphakeme ezifana nama-boilers, ama-condensers, ukushintshaniswa kokushisa, izitshalo zamandla, kanye nezinhlelo zokusebenza zemboni kaphethiloli.

I-Duplex S31803 Butt Weld Flanges ihlanganisa amandla ne-decticity enhle ngokulinganisela ekulweni nokugqwala okuhle ezindaweni ezahlukahlukene. Ama-Flanges ahlanganisiwe we-Duplex S31803 ane-Dreangen iyona esetshenziswa kakhulu ye-Dumplex Grainless grade. I-Duplex S31803 I-FLANGE YOKUXHUMANISA I-FLANES ifaka amandla aphezulu avuthayo aphindwe kabili lokho kwamabanga ajwayelekile we-aututenitic angenasici.

Uhlobo ngalunye oluhlukile lunezinzuzo zalo. Amabanga ahlukene we-Duplex Steel anezinto ezahlukene zemishini nezomzimba ngenxa yezingoma ezihlukile zamakhemikhali. Ama-flanges we-ASTM A182 F60 asebenza kakhulu, abiza kakhulu impilo esebenzayo futhi ende yokuphila. Kunezinhlobo ezihlukile zobuso ezifana nama-flanges ahlangene amakhale, amavutha ebusweni obusefutheni kanye nama-flangeli aphakanyisiwe.

Ukuze ukwazi ukwakha uhlelo lwamapayipi, amaphampu, amapayipi, ama-valve kanye neminye imishini ehlukahlukene ixhumeke ndawonye ngama-flangeses okuthiwa abizwa. Lawa ma-flanges cishe ahlale enomuzwa noma afakwe. Ama-Flanges amahle ngoba angahlolwa kalula, ahlanzwa, noma yikuphi ukuguqulwa okufunayo.

I-Duplex Scients ine-Ferritic kanye ne-Autenitic Microsfrures. Ngenxa yamandla amahle emishini kanye nezindawo zokumelana nogesi, ama-flanges ethu asetshenziswa kabanzi kwizicelo ezahlukahlukene zezimboni ezinjenge-petrochemical, imishini yamakhemikhali, ukucutshungulwa kwamafutha kanye negesi, izimoto, njll.

Ama-flanges we-AS32205 ASTTM a182 anokumelana okuhle kwe-chloride pittipt kanye nokugqwala kwe-crevice ngenxa yenhlanganisela ye-chromium, molybdenum ne-nitrogen. I-exotic Dumplex 2205 Flange Alloy isetshenziswa ekuhlolweni kwamafutha kanye negesi, le alloy nayo isetshenziswa emkhakheni wokucubungula amakhemikhali.

Sinikeza ama-Flanges ngama-valves axhuma, amapayipi kanye neminye imishini yokugwema ukuvuza. Ama-Flanges e-Duplex FLSE Alakala kakhulu ekugcekeni kwe-sulfide, ukuqhekeka kwe-crevice, ukugcwala kwengcindezelo nokuqhekeka kwe-chloride. Amandla amahle kakhulu okwenziwa kanye nokuqina okuvumela lezi dubu flanges ukuthi zigcinwe ezindaweni ezinokhahlo.

I-2205 iyinsimbi esetshenziswa kakhulu ye-Dumplex Storess, accounting isikhathi esingaphezu kwama-80% emakethe yensimbi engagqwali. I-Alloy 2205 inikeza ukumelana okungcono kokugqwala ezindaweni ezahlukahlukene lapho i-316l isetshenziswa ngokujwayelekile, ngenzuzo eyengeziwe yamandla aphezulu wesivuno.

Zonke izinkanyezi ezingama-22055 zihlolwe nge-metallographically ukuqinisekisa ukuthi imikhiqizo ethunyelwe mahhala ezigabeni eziyingozi ezifana ne-sigma. Imvamisa isetshenziswa ngendlela yamapayipi we-welded noma izingxenye ze-tubular. I-alloy nayo isetshenziswa njengemikhiqizo yeshidi eyenziweyo neye-welded ezindaweni ezimelana nezimo zokugqwala okujwayelekile nokuqhekeka kokugqwayiza kwe-chloride.

Kokubili ama-Aucenite neFerrite akhona kwi-misfructure yale alloy. Ngakho-ke, ama-flanges we-Super Dumplex anezici ezifanayo kulezi zinsimbi ezimbili ezingenacala. Lezi zingxenye zinokusebenza okuhle kwezicelo ezivezwe kwizixazululo ze-chlorine.

Ukwandisa indawo yokuxhumeka, isesigaba esimbaxambili S31803 \ s32205 rsj Flanges asetshenziswa. Isetshenziswa ngababili ngama-halves amabili. Siphinde sinikeze ezinye izinhlobo ezifana nezimvula ezingama-2205 eziphindwe kabili.

Ingxenye ye-Aucutenitic yale Alloy yisizathu esenza i-A182 Super Dumplex Flanges imelana nokukhonkotha, i-crevice, kanye nokugqwala okujwayelekile. Ngokuvamile ama-organic acid afana nama-acetic nefomu ama-acid abangela ukuwohloka okufanayo kuma-alloys amaningi ensimbi. I-Molybdenum, equkethe okuqukethwe okuphezulu kwe-chromium, yenza ama-inter s32750 butt weld flange amelana nokugqwala ezindaweni ezinama-acids aqukethe la ma-acids.

I-Duplex 3005 Butt Weld Flanges (WN FLAngeS) ahlonzwa kalula kwi-tapered hub ende, kancane kancane anwebe kusuka kupayipi noma alungele ukushuba odongeni. Ama-hubs amade we-tapered anikeza ukuqiniswa okukhulu kokusetshenziswa ezinhlotsheni ezahlukahlukene ezibandakanya ingcindezi ephezulu, i-zero-zero kanye \ noma amazinga okushisa aphezulu. Ushintsho olubushelelezi olusuka ku-Flange ubukhulu bokuthi ushube lodonga olufanelekile lunenzuzo enkulu esimweni sokugoba okuphindaphindiwe okubangelwa ukunwetshwa okulayini noma amanye amabutho ahlukahlukene.

Ama-Flanges ensimbi engagqwali, lawa ma-flanges anezakhiwo ezinhle kakhulu ezinjengesisindo esikhanyayo, ukwakhiwa okuqinile, ubukhulu obunembile nokuningi. Siphinde futhi sinikeze le mikhiqizo kumabanga ahlukene afana nama-flanges duplex, ama-flanges e-duplex, ama-super duplex flanges kanye nama-flanges we-super duplex.

Ama-Flanges angama-2205 ama-Flanges enziwe ngensimbi ebilisiwe yemvelo nge-auntenitic ne-Ferritic miscructor. Okuqukethwe akumelani nokugqwala kwengcindezelo kwe-chloride. Kusetshenziswa ezindaweni ezihlanzekile. Ama-Flango angama-2205 atholakala emabangeni ukusuka ku-150 kuya ku-2500 ne-PN6 ku-PN64.

Ama-Flanges angama-2205 enziwe ngensimbi ye-auntenitic-Ferritic yensimbi engenasici futhi aklanyelwe ukuhlinzeka ngamandla aphezulu kanye nokuphikiswa kokugqwala kunensimbi engu-300 yensimbi engenacala. Kuyasiza abasebenzisi ukuthi bagweme ukugcwala kwengcindezi okuvamile kuya ku-316 no-317. I-Duplex 2205 Flanges hlanganisa ukuqina kokuqhekeka kokuqhekeka kanye namandla aphezulu we-Ferritic Alloys ngamakhono okuqamba ama-autustal.

I-ASTM A182 Duplex S31803 i-Flange yemithambo yengcindezi ephezulu kanye nezicelo eziphakeme zokucindezela. Ibanga lokushisa elisebenzayo lifinyelela ku-150 degrees Celsius ezindaweni ezicebile ze-chloride. Leli banga elibonakalayo liyatholakala ngama-flanges we-welded, ama-flanges abunjiwe nama-flanges ahlanganisiwe.

UDuplex 2205 wahlolwa ngaphansi kwengcindezi yokugoba emuva ekushiseni kwegumbi uma kuqhathaniswa ne-SS316. Imiphumela ikhombisa ukuthi iDuplex 2205 icishe ibe umkhawulo wokukhathala \