Weld Overlay Flange

A weld overlay flangehe lehelehe i hana ʻia me ka ʻili ʻili -kūʻokoʻa i waiho ʻia ma luna o ka ʻilikai-pili ma ka wiliwili ʻana. Lawe ka flange kumu i ka haawe kaomi a me ka ikaika bolting, ʻoiai ka CRA overlay layer e pale ana i ka lua, ka maka sila, ka RTJ groove, ka neʻe ʻana o ka ʻāʻī, a i ʻole nā ​​wahi pulu ʻē aʻe mai ka media corrosive.

Hoʻohana ʻia kēia ʻano i ka wā e lawa ai ka ikaika mechanical o ke kila kalapona maʻamau a i ʻole ka flange hao hao haʻahaʻa, akā ʻoi aku ka ikaika o ka ʻaoʻao kaʻina hana. ʻO nā kūlana lawelawe maʻamau, ʻo ia ke kinoea ʻawaʻawa, CO₂-koea kinoea, hoʻoheheʻe wai kai, wai i hana ʻia, chloride-wai lawe, mea hoʻoheheʻe ʻia, nā laina kaʻina hana petrochemical, a me nā pilina paipu waho.

Ke hoʻohālikelike ʻia me ka flange paʻa paʻa, hiki i ka weld overlay ke hoʻohana i ka pāhana hiki ke hoʻohana i ka huila pale -corrosion ma ka ʻili pili pono. Kōkua kēia i ka mālama ʻana i ke kumu kūʻai o ka waiwai me ka mālama ʻana i ke kino flange i lawa no ka papa koi koi. Nā lako kila Octalweld overlay forged flangesma ka weld neck, blind, RTJ, slip-on, and custom drawing-types, includingAlloy 625 / Inconel 625 Weld Overlay Flange, Alloy 825, 316L, 904L, duplex stainless steel, a me nā koho overlay stainless steel super duplex.

Hoʻokumu ʻia kahi flange weld overlay mai ʻelua ʻōnaehana waiwai. Hāʻawi ke kumu forging i ka ikaika mechanical, ka helu kaomi, ka geometry flange, a me ke kūpaʻa bolting. Hāʻawi ka mea i uhi ʻia i ka pale ʻana i ka corrosion ma ka ʻaoʻao pulu.

Loaʻa i nā mea kumu maʻamau ka ASTM A105 no nā flanges kalapona kila maʻamau, A350 LF2 no ka lawelawe haʻahaʻa haʻahaʻa, A694 F52 / F60 / F65 / F70 no nā ʻōnaehana hoʻoneʻe kiʻekiʻe, a me nā māka A182 no ke kila kila, ke kila kila, duplex, a i ʻole super duplex forged flange koi.

Pono e koho ʻia ka CRA overlay alloy e like me ke kaʻina hana maoli. ʻO ke kumu kūʻai wale nō ʻaʻole ia he kumu koho palekana. Hiki i ka H₂S, CO₂, ka chloride concentrate, ka wela o ka hana, ke kaomi, ka wai, ka pH, ka oxygen komo, a me nā mea paipu pili e pili ana i ka koho mea hope loa.

No ka meauhi weld uhi flangenā papahana, pono e hoʻohālikelike ʻia ka huila overlay me ka mea pili. Inā pili ka flange me ka paipu aahu, CRA-paipu laina, paipu uhi, pale -'ānai, spool, a manifold paha, pono e nānā 'ia ka palena i uhi 'ia i 'ike 'ole ke kila kalapona pale 'ole i ke ala kahe.

ʻAʻole kahi kikoʻī liʻiliʻi ka ʻāpana overlay. Hoʻoholo ia i ke kumukūʻai, ka ʻae ʻana i ka mīkini, ka nui o ka nānā ʻana, a inā hiki i ka flange ke pale maoli i ka ʻili wai. ʻAʻole lawa ka palapala kūʻai e ʻōlelo ana "CRA overlay". Pono e hōʻike pololei ke kaha kiʻi i kahi e pono ai ka papa weld overlay.

Pono ka nānā hou aku i nā flanges weld overlay RTJ. ʻO ke apo apo he mea hoʻopaʻa paʻa, ʻaʻole wale kahi ʻaoʻao mīkini. Ma hope o ka uhi ʻana a me ka mīkini hope, pono e nānā ʻia ke awāwa no ka nui, ke ʻano o ka ʻili, ka hopena PT, a me ke koena o ka mānoanoa overlay.

No ka hoʻokiʻekiʻe ʻana o nā flanges maka, pono e hoʻomalu ʻia ka wahi hoʻopili gasket ma hope o ke alo hope. ʻAʻole lawa ka papa CRA maʻemaʻe i ka nānā ʻana inā ʻaʻole kūpono ka maka sila i ka palahalaha, hoʻopau, a i ʻole mānoanoa ma hope o ka hana ʻana.

ʻO ka hana ʻana oweld overlay forged flangesʻokoʻa mai ka mīkini flange maʻamau. Pono ke kaʻina hana e noʻonoʻo i ka hoʻoheheʻe ʻana o ka wiliwili, ka ʻae ʻana i ka mīkini, kemika hope, a me ka hoʻopaʻa ʻana i ka geometry ʻili i ka manawa like.

ʻO kahi ala hana hana maʻamau e loaʻa i kēia mau ʻanuʻu:

1. Ka nānā 'ana i ke kahua forging
Hoʻopaʻa ʻia ka mea kino flange, ka helu wela, ka maʻamau forging, ka papa kaomi, ke ʻano alo, a me ka MTC ma mua o ka hoʻomaka ʻana o ka hana overlay. Hōʻoia kēia ʻanuʻu e pili ana ka flange kumu i ke kauoha kūʻai a me ke kaha kiʻi papahana.

2. Ho'opa'a 'ia ka 'āpana overlay-a me ka hā'awi 'ana i ka mīkini
E nānā ʻia ke kiʻi ma ke kaha kiʻi ʻana, ka maka i hoʻokiʻekiʻe ʻia, ka RTJ groove, ka maka o loko, ka hoʻololi ʻana o ka ʻāʻī, a i ʻole nā ​​wahi pulu ʻē aʻe. Pono e hoʻolālā ʻia ka ʻae ʻana i ka mīkini i mea e mālama mau ai ka ʻili mīkini hope i ka papa CRA i koi ʻia.

3. WPS / PQR a me ka hoʻomākaukau metala piha
ʻO ke kaʻina hana weld overlay, filler metal, welding process, heat input range, layer sequence, a me ka welder qualification e pono e mākaukau ma mua o ka hana ʻana. He mea koʻikoʻi kēia no Alloy 625, Alloy 825, duplex, a me super duplex overlay work.

4. CRA weld overlay deposition
Hoʻokomo ʻia ka papa CRA e nā welders kūpono a i ʻole nā ​​​​mea hana welding. Hoʻohana pinepine ʻia ka uhi ʻana he nui{1}}no ka mea hiki ke hoʻoheheʻe ʻia ka papa mua e ka metala kumu. Pono ka ʻae hope loa ma luna o ka ʻili i hoʻopau ʻia ma hope o ka mīkini.

5. Hoʻomaʻemaʻe waena a me ka mana ʻike
ʻO ka hoʻomaʻemaʻe ʻana ma waena o nā pā e kōkua i ka pale ʻana i ka slag, contamination, nele o ka hui ʻana, a me nā hemahema o ka ʻili. ʻAʻole kēia hana hoʻonaninani; hoʻoholo pinepine ia inā e hala maʻemaʻe ka nānā ʻana o PT.

6. Nānā PWHT inā pono
Pono paha kekahi mau mea kumu a i ʻole nā ​​kikoʻī o ka papahana ma hope o ka -weld heat treatment. Pono e nānā ʻia ka PWHT ma mua o ka hana ʻana no ka mea hiki ke hoʻopilikia i ka paʻakikī, ka mana dimensional, a me ka hoʻolālā nānā hope.

7. ʻO ka mīkini paʻakikī a me ka mīkini hope
Ma hope o ke kuʻi ʻana i uhi ʻia, hoʻohana ʻia ka flange i ka pahu hope, ke alo, ka ʻāʻī RTJ, ka lua bolt, a me nā ana hoʻopaʻa. ʻO kēia kahi e hiki ai i ka hana mālama ʻole ke hoʻoneʻe i ka nui o nā mea CRA. Pono e mālama ʻia ka mānoanoa overlay haʻahaʻa ma hope o kēia pae.

8. Ka nānā hope a me ka nānā palapala
ʻO ka PT, PMI, ka paʻakikī, ka ferrite, ka nānā ʻana i ka dimensional, a me ka hoʻopau ʻana i ka ʻili e hana ʻia e like me ke koi o ka papahana. Pono e hoʻohālikelike ʻia nā hōʻike me ka hōʻailona flange, helu wela, a me ka papa inoa paʻi ma mua o ka hoʻouna ʻana.

No ka wehewehe ʻenehana nui aʻe o ke kaʻina hana weld overlay ma ka paipu, flange a me nā huahana pā, e ʻike i kā mākoualakai weld overlay.

No nā lepa weld overlay, pono e hō'oia i ka nānā 'ana i nā mea 'elua: ua kūpono ka flange kumu i nā koi mechanical a me ka nui, a ua ho'okō ka overlay CRA i nā koi 'oihana corrosion. Inā nāwaliwali nā ʻaoʻao ʻelua, hiki ʻole i ka flange ke ʻae i ka papahana.

PMI ma hope o ka mīkinimea nui loa. Inā hoʻokō wale ʻia ka PMI ma mua o ka mīkini hope loa, ʻaʻole paha ia e hōʻike piha i ka ʻili e hoʻopili i ke kaʻina hana. No ka lawelawe lawe ʻana i ka ʻawaʻawa a i ʻole ka chloride -, ʻo ka ʻili CRA mīkini hope loa ka wahi mea nui loa.

No ka hoʻouna ʻana aku i waho, ʻo ka hoʻohālikelike palapala kekahi ʻāpana o ka mana maikaʻi. ʻO ka helu wela, ka palapala kumu kumu, ka mea i uhi ʻia, ka hōʻike PMI, ka hōʻike PT, ka papa inoa packing, a me ka hōʻailona flange e pili pono. Hoʻemi kēia i ka pilikia o ka loaʻa ʻana o ka lohi o ka nānā ʻana ma muli o nā moʻolelo nalo a kū ʻole paha.

Hoʻohana ʻia nā flanges weld overlay ma kahi e pono ai ke kino o ka flange i ka ikaika paʻi maʻamau, akā, ʻo ka ʻili -contact surface pono e pale i ka ʻino mai ke kinoea ʻawaʻawa, ka wai chloride-wai, ke kai, ka media acidic a i ʻole nā ​​wai kaʻina hana ʻino. ʻAʻole like me ka mea maʻamauwili ma ka flangei koho nui ʻia no ka pili paipu a me ka papa kaomi, pono e hoʻomalu i ka ʻili CRA i ʻike ʻia i ka weld overlay flange.

• ʻO ka hana kinoea ʻawaʻawa a me nā ʻōnaehana hōʻiliʻili

I loko o ka H₂S-ʻoihana, pono paha ke kino flange e koi i ke kila kalapona a i ʻole ka ikaika hao hao hao haʻahaʻa, ʻoiai ʻo ka ʻili pulu e pono ai ka pale CRA. ʻIke pinepine ʻia ka uhi ʻana o Alloy 625 no kēia ʻano lawelawe. Pono e nānā ʻia ka mana paʻakikī, kūlana HAZ, a me NACE MR0175 / ISO 15156 ma mua o ka hana ʻana.

• Hoʻokomo ʻia i ka wai kai a hana i nā laina wai

Loaʻa i ka wai kai a me ka wai i hana ʻia nā chlorides, nā kinoea i hoʻoheheʻe ʻia, ke one, ka unahi a me nā mea hoʻokele ʻino ʻē aʻe. ʻO ka uhi uhi ʻana, ka uhi ʻana o ka maka a me ka uhi hoʻololi ʻāʻī e kōkua i ka hōʻemi ʻana i ka pilikia o ke kila kalapona i ʻike ʻia ma ka ʻāpana hoʻopili wai.

• ʻO nā pilina ma waho a me lalo o ka moana

Pono pinepine nā papahana waho i ka nānā ʻana a me nā palapala. Pono paha ka PMI, PT, ka ho'āʻo paʻakikī, ka hoʻāʻo ferrite, ka nānā ʻana a me ka -ʻekolu-ʻaoʻao hōʻike.

• Nā laina kaʻina hana hoʻoheheʻe a me ka petrochemical

ʻO ka media kaʻina hana ʻakika, ka wai chloride -loaʻa, nā kahawai wela kiʻekiʻe-a me nā kaiapuni ʻānai hui ʻia e pono paha i ka pale CRA ma ka ʻili pulu. Hiki i ka weld overlay ke ho'ohana i ke kino pa'i ma'amau -e ho'omaika'i ana i ka pale 'ino ma kahi e ho'opili maoli ai ka mea waena i ka mea.

• Paipu aahu, paipu laina CRA-a me na mea pili

Hoʻohana pinepine ʻia nā flanges weld overlay me ka paipu lole, CRA-line pipe, weld overlay pipe, valves, spools and manifolds. Pono ka ʻāpana i uhi ʻia me ka ʻāpana i hoʻohui ʻia i mea e mau ai ke ala pale ʻino.

ʻOke kilakākoʻo i kēia kaʻina hana mai ka loiloi waiwai a hiki i ka hoʻokuʻu ʻana. Kōkua mākou i ka hoʻohālikelike ʻana i ka papa flange base, overlay alloy, hoʻopau ʻia ka mānoanoa overlay, ke ʻano o ke alo, koi ʻia ʻo RTJ groove, a me ka nui o ka nānā ʻana ma mua o ka hoʻomaka ʻana o ka hana, no laila ʻoi aku ka maʻalahi o ka flange i hāʻawi ʻia i ka loaʻa ʻana o ka nānā.

ʻO kā mākou pōmaikaʻi ʻaʻole wale ka lako lako, akāhoʻonohonoho papahana: forged flange sourcing, CRA overlay control, final machining, PMI/PT / hardness inspection, kolu -support nānā 'aoʻao, a me ka hoʻomākaukau palapala hoʻokuʻu aku hiki ke mālama 'ia ma hoʻokahi kaulahao lako. Hoʻemi kēia i ka pilikia o nā mea like ʻole, ʻike ʻole i ka uhi uhi, nā hōʻike nalo, a i ʻole ke sila ʻana-poino maka ma mua o ka hoʻouna ʻana.

No nā kauoha e hoʻokuʻu aku, nānā pū ʻo Octal Steel i ka pale ʻana i ka pale ʻana no nā ʻili mīkini, nā ʻāpana RTJ, nā maka hoʻokiʻekiʻe, nā puka kī, a me nā hōʻailona flange, e kōkua ana i ka hōʻea ʻana mai me ke kūlana huahana a me ka pūʻolo palapala i mākaukau no ka loiloi papahana.

Hoʻokaʻaʻike i kēia manawa

FAQ

 

01. He aha ka mea e kuhikuhi ʻia i ke kauoha ʻana i nā flanges weld overlay?

Pono nā mea kūʻai e kuhikuhi i ke ʻano o ka flange, ka nui, ka papa kaomi, ke ʻano o ke alo, ka mea kumu, ka mea i uhi ʻia, ka ʻāpana overlay, a me ka liʻiliʻi o ka mānoanoa overlay ma hope o ka mīkini. No ka lawelawe ko'iko'i, pono e ho'opa'a 'ia nā koi nānā 'ao'ao -kolu, 'o'ole'a, ho'ā'o ferrite, WPS/PQR, ma ke kauoha kū'ai.

02. Owai na wahi o ka weld overlay flange pono CRA overlay?

ʻO nā wahi i uhi ʻia maʻamau, ʻo ia ka lua, ka maka i hoʻokiʻekiʻe ʻia, ka ʻāʻī RTJ, ka hoʻololi ʻana i ka ʻāʻī, ka maka maka maka i loko, a me nā wahi pulu ʻē aʻe i hōʻike ʻia ma ke kiʻi. Pono e kaha ʻia ka ʻāpana i uhi ʻia no ka mea hiki ke lilo ke kila kalapona i hōʻike ʻia ma ke ala kahe i mea pōʻino.

03. No ke aha i hoʻohana ʻia ai ʻo Inconel 625 no ka weld overlay flanges?

ʻO ka Inconel 625 / Alloy 625 ka mea maʻamau i koho ʻia no ke kinoea ʻawaʻawa, ka wai kai, ka wai i hana ʻia, ka paipu wai waho, a me ka lawelawe lawe chloride -. No ka ʻae ʻana, pono e hōʻoia ʻia ka ʻili i uhi ʻia i ka mīkini hope e ka PMI a i ʻole ka nānā kemika, no ka mea, hiki i ka dilution mai ka metala kumu ke hoʻopilikia i ka kemika ʻili.

04. He aha ka mānoanoa overlay maʻamau no ka weld overlay flanges?

Hōʻike nā papahana he nui i ka mānoanoa overlay CRA i hoʻopau ʻia, pinepine a puni3.0 mm ma hope o ka mīkini hope, akā pono ka waiwai pololei e hahai i ke kaha ki'i a i 'ole ka kiko'ī. ʻO ka mea nui, ʻo ia ka hōʻoia ʻana i ke koena o ka mānoanoa uhi ma luna o ka ʻili pulu i hoʻopau ʻia, ʻaʻole ʻo ka waihona -welded wale nō.

Nā palapala hōʻoia

 

Palapala CE

Palapala ISO 9001

Palapala API Q1

Palapala Palapala ABS

Palapala AP-5L

Palapala API-5CT

 

Nā huahana pale: weld overlay flange, weld overlay flange, Inconel 625 weld overlay flange, weld overlay forged flange, flange cladding weld overlay, CRA weld overlay flange