{"id":45585,"date":"2024-04-07T01:54:05","date_gmt":"2024-04-07T01:54:05","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=45585"},"modified":"2025-07-01T06:21:16","modified_gmt":"2025-07-01T06:21:16","slug":"flanges","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/pt\/flanges\/","title":{"rendered":"flanges"},"content":{"rendered":"
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flanges\uff0c Introdu\u00e7\u00e3o ao conhecimento da Enciclop\u00e9dia Francisca.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\"Flange\" \u00e9 a abrevia\u00e7\u00e3o de \"flange\", que \u00e9 uma translitera\u00e7\u00e3o de \"flange\". Foi proposto pela primeira vez por um ingl\u00eas chamado Elchat em 1809 e tamb\u00e9m prop\u00f4s um m\u00e9todo de fundi\u00e7\u00e3o para flanges. No entanto, n\u00e3o foi amplamente utilizado por um per\u00edodo consider\u00e1vel de tempo at\u00e9 o in\u00edcio do s\u00e9culo XX, quando os flanges foram amplamente utilizados em v\u00e1rios equipamentos mec\u00e2nicos e conex\u00f5es de tubula\u00e7\u00f5es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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O que \u00e9 um flange?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Um flange, tamb\u00e9m conhecido como flange ou flange. Geralmente se refere \u00e0 abertura de v\u00e1rios orif\u00edcios fixos ao redor de um corpo met\u00e1lico em forma de disco para conectar outros componentes e \u00e9 amplamente utilizado em v\u00e1rios equipamentos mec\u00e2nicos e conex\u00f5es de tubula\u00e7\u00f5es. Um flange \u00e9 um componente que conecta eixos e \u00e9 usado para conectar extremidades de tubula\u00e7\u00f5es; tamb\u00e9m s\u00e3o \u00fateis os flanges na entrada e na sa\u00edda de equipamentos, usados para conectar dois dispositivos, como os flanges de caixas de c\u00e2mbio.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1. De acordo com os padr\u00f5es do setor qu\u00edmico (HG):<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Flange integral (IF), flange rosqueado (Th), flange de solda de placa (PL), flange de solda de pesco\u00e7o (WN), flange de solda de pesco\u00e7o (SO), flange de solda de soquete (SW), flange de manga solta com anel de solda (PJ\/SE), flange de manga solta com anel de solda (PJ\/RJ), tampa de flange revestida (BL (S)), tampa de flange (BL).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. De acordo com os padr\u00f5es do setor petroqu\u00edmico (SH):<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Flange de rosca (PT), flange de solda de topo (WN), flange de solda plana (SO), flange de solda de encaixe (SW), flange de luva solta (LJ), cobertura de flange (n\u00e3o especificada).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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3. De acordo com o padr\u00e3o do setor mec\u00e2nico (JB):<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Flange integral, flange de solda de topo, flange de solda plana tipo placa, flange de manga solta de placa de anel de solda de topo, flange de manga solta de placa de anel de solda plana, flange de manga solta de placa de anel flangeada, cobertura de flange.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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4. De acordo com os padr\u00f5es nacionais (GB):<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Flange integral, flange rosqueado, flange de solda de topo, flange de solda plana com pesco\u00e7o, flange de solda de encaixe com pesco\u00e7o, anel de solda de topo com pesco\u00e7o, flange de manga solta, flange de solda plana com placa, flange de manga solta com placa de solda plana, flange de manga solta com placa de anel de solda plana, flange de manga solta com placa de anel flangeado, tampa de flange.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Padr\u00e3o para flanges<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Como um tipo de conector, os flanges s\u00e3o amplamente usados internacionalmente, o que exige um padr\u00e3o unificado. Por exemplo, atualmente existem dois sistemas padr\u00e3o principais para flanges de tubula\u00e7\u00e3o, a saber, o sistema europeu de flanges de tubula\u00e7\u00e3o representado pelo DIN alem\u00e3o (incluindo a antiga Uni\u00e3o Sovi\u00e9tica) (DIN, GB, JB, HG20592) e o sistema americano de flanges de tubula\u00e7\u00e3o representado pelos flanges de tubula\u00e7\u00e3o ANSI americanos (incluindo ANSI, GB, HG20615). Al\u00e9m disso, h\u00e1 tamb\u00e9m os flanges de tubo JIS japoneses, que geralmente s\u00e3o usados apenas para obras p\u00fablicas em plantas petroqu\u00edmicas e t\u00eam um impacto internacional relativamente pequeno. Aqui est\u00e1 uma breve introdu\u00e7\u00e3o aos flanges de tubo em v\u00e1rios pa\u00edses:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1. Sistema de flange europeu<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sistema de flange europeu: DIN alem\u00e3o (incluindo a Uni\u00e3o Sovi\u00e9tica)
Press\u00e3o nominal: 0,1, 0,25, 0,6, 1,0, 1,6, 2,5, 4,0, 6,4, 10,0, 16,0, 25,0, 32,0, 40,0, Mpa;
Di\u00e2metro de c\u00e1lculo: 15-600 mm;<\/p>

Os tipos estruturais de flanges incluem: tipo de placa de solda plana, tipo de luva solta com anel de solda plana, tipo de luva solta com borda laminada, tipo de luva solta com borda laminada para solda de topo, tipo de luva solta com anel de solda de topo, tipo de solda de topo, tipo de conex\u00e3o roscada de pesco\u00e7o, tipo integral e cobertura de flange; as superf\u00edcies de veda\u00e7\u00e3o do flange incluem: superf\u00edcies planas, c\u00f4ncavas, convexas, de espiga e ranhura, superf\u00edcies de conex\u00e3o de anel de borracha, superf\u00edcies de lente e superf\u00edcies de solda de membrana;
O padr\u00e3o de registro de flange de tubo OCT lan\u00e7ado pela Uni\u00e3o Sovi\u00e9tica em 1980 \u00e9 semelhante ao padr\u00e3o alem\u00e3o DIN.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. Sistema de flange americano<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sistema de flanges americano: ANSI B16.5 americano \"Flanges de tubos de a\u00e7o e acess\u00f3rios flangeados\"
Press\u00e3o nominal: 150psi (2,0Mpa), 300psi (5,0Mpa), 400psi (6,8Mpa), 600psi (10,0Mpa), 900psi (15,0Mpa), 1500psi (25,0Mpa), 2500psi (42,0Mpa);
Di\u00e2metro de c\u00e1lculo: 6-4000 mm;
Os tipos estruturais de flanges incluem solda de tiras, solda de soquete, conex\u00e3o roscada, luva solta, solda de topo e cobertura de flange;
Superf\u00edcie de veda\u00e7\u00e3o do flange: superf\u00edcie c\u00f4ncava e convexa, superf\u00edcie da ranhura da espiga, superf\u00edcie de conex\u00e3o do anel met\u00e1lico.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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3. Flange de tubo JIS (padr\u00e3o japon\u00eas)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Flange de tubo JIS: Geralmente \u00e9 usado apenas para obras p\u00fablicas em plantas petroqu\u00edmicas e tem um impacto relativamente pequeno em n\u00edvel internacional, sem formar um sistema independente em n\u00edvel internacional.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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O sistema padr\u00e3o nacional GB para flanges de tubos de a\u00e7o na China.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. Press\u00e3o nominal: 0,25Mpa~42,0Mpa<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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S\u00e9rie 1: PN1.0, PN1.6, PN2.0, PN5.0, PN10.0, PN15.0, PN25.0, PN42\uff08S\u00e9rie principal\uff09<\/p>

S\u00e9rie 2: PN0,25, PN0,6, PN2,5, PN4,0<\/p>

Os tamanhos de flange PN0,25, PN0,6, PN1,0, PN1,6, PN2,5 e PN4,0 pertencem ao sistema de flange europeu representado por flanges alem\u00e3es, enquanto os demais s\u00e3o sistemas de flange americanos representados por flanges americanos.<\/p>

No padr\u00e3o GB, o n\u00edvel m\u00e1ximo de press\u00e3o nominal pertencente ao sistema de flange europeu \u00e9 4Mpa, e o n\u00edvel m\u00e1ximo de press\u00e3o nominal pertencente ao sistema de flange americano \u00e9 42Mpa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. Di\u00e2metro nominal: 10mm~4000mm<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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3. A forma estrutural dos flanges:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Flange integral flange da unidade<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Flange rosqueado;<\/p>

Flange de solda, flange de solda de topo;<\/p>

Flange de solda de pesco\u00e7o, flange de solda de soquete de pesco\u00e7o, flange de solda de placa: flange de manga solta, anel de solda de topo com flange de pesco\u00e7o, anel de solda de topo com flange de placa de manga solta, anel de solda plana com flange de placa de manga solta, flange de manga solta com placa<\/p>

Tampa do flange cego (flange de furo cego).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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4. Superf\u00edcies de veda\u00e7\u00e3o de flanges: superf\u00edcies planas, c\u00f4ncavas, convexas, de encaixe e ranhura, superf\u00edcies de conex\u00e3o de anel<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Montagem de flanges<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. antes de montar o flange, \u00e9 necess\u00e1rio limpar a superf\u00edcie do flange, especialmente a superf\u00edcie de veda\u00e7\u00e3o.<\/p>


2. ao montar flanges de solda plana, a extremidade do tubo deve ser inserida no flange com uma espessura de di\u00e2metro interno de 2 \u2264 3 e, em seguida, o flange deve ser soldado por pontos \u00e0 tubula\u00e7\u00e3o. Se for um tubo horizontal, o flange deve ser soldado por pontos a partir de cima e, em seguida, a posi\u00e7\u00e3o do flange deve ser verificada e corrigida de diferentes dire\u00e7\u00f5es usando uma r\u00e9gua de \u00e2ngulo de 90\u00b0, de modo que sua superf\u00edcie de veda\u00e7\u00e3o fique perpendicular \u00e0 linha central da tubula\u00e7\u00e3o. O segundo ponto sob a solda por pontos est\u00e1 correto.<\/p>


3. Use uma r\u00e9gua de \u00e2ngulo de 90\u00b0 para verificar e corrigir a posi\u00e7\u00e3o do flange nas dire\u00e7\u00f5es esquerda e direita. Depois de passar pelo terceiro e quarto pontos, fa\u00e7a a solda por pontos e fixe o flange.<\/p>


4. Para a montagem de pares de flanges, os orif\u00edcios dos parafusos para a instala\u00e7\u00e3o do flange devem estar alinhados com os orif\u00edcios dos parafusos correspondentes do flange fixo e paralelos ao flange fixo, com um desvio n\u00e3o inferior a 1,5% do di\u00e2metro externo de cada milhar de flanges, e n\u00e3o superior a 2 mm.
Ao selecionar o flange correspondente para equipamentos ou componentes de v\u00e1lvulas, deve-se prestar aten\u00e7\u00e3o se o flange do equipamento original ou do componente da v\u00e1lvula \u00e9 compat\u00edvel com o tamanho da conex\u00e3o do flange usado na tubula\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Materiais comuns para almofadas macias<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A placa de borracha e a placa de algod\u00e3o de borracha s\u00e3o os materiais de almofada macia de flange mais comumente usados.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1. Len\u00e7ol de borracha industrial<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O len\u00e7ol de borracha, comumente conhecido como len\u00e7ol de borracha industrial, tamb\u00e9m \u00e9 conhecido como len\u00e7ol de borracha vulcanizada industrial ou len\u00e7ol de borracha.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. Placa de algod\u00e3o com borracha<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A placa de borracha de algod\u00e3o, tamb\u00e9m conhecida como placa de borracha de amianto, \u00e9 geralmente usada como junta para veda\u00e7\u00e3o de equipamentos e flanges de tubula\u00e7\u00f5es. O meio pode ser \u00e1gua, vapor, ar, v\u00e1rios gases, am\u00f4nia, \u00e1lcalis e \u00f3leo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Conex\u00e3o de flanges<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. A conex\u00e3o do flange deve ser mantida no mesmo eixo, e o desvio central do furo do parafuso n\u00e3o deve exceder 5% do di\u00e2metro do furo. O parafuso deve ser perfurado livremente. Os parafusos de conex\u00e3o do flange devem ter as mesmas especifica\u00e7\u00f5es, a dire\u00e7\u00e3o de instala\u00e7\u00e3o deve ser a mesma e os parafusos devem ser apertados de forma sim\u00e9trica e uniforme.<\/p>

2. Arruelas chanfradas de espessuras diferentes n\u00e3o devem ser usadas para compensar o n\u00e3o paralelismo do flange. N\u00e3o use arruelas duplas. Quando as gaxetas de grande di\u00e2metro precisarem ser emendadas, elas n\u00e3o devem ser encaixadas com portas planas, mas sim na forma de an\u00e9is diagonais ou labirintos.<\/p>

3. Para facilitar a instala\u00e7\u00e3o e a desmontagem do flange, os parafusos de fixa\u00e7\u00e3o e a superf\u00edcie do flange n\u00e3o devem ter menos de 200 mm.<\/p>

4. ao apertar os parafusos, eles devem ser sim\u00e9tricos e se cruzar para garantir uma for\u00e7a uniforme sobre as arruelas.<\/p>

5. Os parafusos e as porcas devem ser revestidos com molibd\u00eanio<\/a> dissulfeto, \u00f3leo de grafite ou p\u00f3 de grafite para remo\u00e7\u00e3o subsequente: a\u00e7o inoxid\u00e1vel, parafusos e porcas de a\u00e7o-liga; A temperatura de projeto da tubula\u00e7\u00e3o \u00e9 inferior a 100 \u2103 ou 0 \u2103; Instala\u00e7\u00f5es externas; Corros\u00e3o atmosf\u00e9rica ou m\u00eddia corrosiva.<\/p>

6. Antes da instala\u00e7\u00e3o, as arruelas de metal, como cobre, alum\u00ednio e a\u00e7o macio, devem ser recozidas.<\/p>

7. N\u00e3o \u00e9 permitido enterrar diretamente as conex\u00f5es de flange. A conex\u00e3o de flange dos dutos enterrados deve ter po\u00e7os de inspe\u00e7\u00e3o. Se for necess\u00e1rio enterr\u00e1-la, devem ser tomadas medidas anticorrosivas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

flanges\uff0c Introdu\u00e7\u00e3o ao conhecimento da Enciclop\u00e9dia Francisca. \"Flange\" \u00e9 a abrevia\u00e7\u00e3o de \"flange\", que \u00e9 uma translitera\u00e7\u00e3o de \"flange\". Foi proposta pela primeira vez por um ingl\u00eas chamado Elchat em 1809 e tamb\u00e9m prop\u00f4s um m\u00e9todo de fundi\u00e7\u00e3o para flanges. No entanto, n\u00e3o foi amplamente utilizado por um per\u00edodo consider\u00e1vel de tempo at\u00e9 o in\u00edcio do s\u00e9culo XX, quando... Leia mais \"flanges<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":45604,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[316],"tags":[],"class_list":["post-45585","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nflanges - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"flanges It was not until the early 20th century that it was widely used for various mechanical equipment and pipeline connections\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/pt\/flanges\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"flanges - 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