{"id":21069,"date":"2025-02-13T10:10:36","date_gmt":"2025-02-13T02:10:36","guid":{"rendered":"https:\/\/ifanplus.com\/?p=21069"},"modified":"2025-02-13T10:10:38","modified_gmt":"2025-02-13T02:10:38","slug":"resistance-a-la-corrosion-du-tube-pph","status":"publish","type":"post","link":"https:\/\/ifanplus.com\/fr\/connaissance\/resistance-a-la-corrosion-du-tube-pph\/","title":{"rendered":"R\u00e9sistance \u00e0 la corrosion du tube PPH"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-introduction\"><strong>Introduction<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ifanplus.com\/fr\/product-category\/industrie-du-plastique\/pph\/\">tube PPH<\/a> Offrant une excellente r\u00e9sistance \u00e0 la corrosion, ces tuyaux constituent un choix fiable pour les applications industrielles et commerciales. De nombreuses industries les utilisent pour le transport de produits chimiques, d&#039;eau et d&#039;autres fluides sans craindre leur d\u00e9gradation. Contrairement aux tuyaux m\u00e9talliques, qui rouillent et se corrodent avec le temps, ces tuyaux conservent leur int\u00e9grit\u00e9 m\u00eame dans des environnements difficiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les industries manipulant des substances corrosives, telles que les usines de traitement chimique, les stations d&#039;\u00e9puration et les laboratoires, font confiance \u00e0 ces canalisations pour leur durabilit\u00e9 et leur stabilit\u00e9 chimique. Leur nature non r\u00e9active garantit une performance \u00e0 long terme, r\u00e9duisant les co\u00fbts de maintenance et am\u00e9liorant l&#039;efficacit\u00e9 du syst\u00e8me.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-material-composition-and-corrosion-resistance\"><strong>Composition des mat\u00e9riaux et r\u00e9sistance \u00e0 la corrosion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tube PPH est compos\u00e9 d&#039;homopolym\u00e8re de polypropyl\u00e8ne, un thermoplastique reconnu pour sa haute r\u00e9sistance aux agressions chimiques. Ce mat\u00e9riau ne contient aucun \u00e9l\u00e9ment m\u00e9tallique susceptible de r\u00e9agir avec les acides, les bases ou les agents oxydants. Cet avantage structurel emp\u00eache la formation de rouille, de tartre ou d&#039;autres sous-produits corrosifs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La stabilit\u00e9 mol\u00e9culaire joue un r\u00f4le crucial dans le maintien de la r\u00e9sistance des canalisations aux substances agressives. M\u00eame expos\u00e9es \u00e0 des pH extr\u00eames, ces canalisations ne se d\u00e9gradent pas, ne se fissurent pas et conservent leur r\u00e9sistance structurelle. L&#039;absence de plastifiants ou de stabilisants susceptibles de se d\u00e9grader avec le temps garantit une durabilit\u00e9 \u00e0 long terme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resistance-to-acidic-corrosion\"><strong>R\u00e9sistance \u00e0 la corrosion acide<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De nombreux proc\u00e9d\u00e9s industriels utilisent des acides susceptibles de corroder rapidement les canalisations m\u00e9talliques. Les tubes en PPH r\u00e9sistent \u00e0 une large gamme d&#039;acides, notamment\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acide sulfurique (H\u2082SO\u2084)<\/strong> \u2013 Les usines chimiques utilisent cet acide en grande quantit\u00e9, mais il ne d\u00e9grade pas ces canalisations.<\/li>\n\n\n\n<li><strong>Acide chlorhydrique (HCl)<\/strong> \u2013 De nombreuses applications industrielles n\u00e9cessitent de l&#039;acide chlorhydrique, qui n&#039;affecte pas ces canalisations.<\/li>\n\n\n\n<li><strong>Acide nitrique (HNO\u2083)<\/strong> \u2013 M\u00eame \u00e0 des concentrations mod\u00e9r\u00e9es, cet acide oxydant puissant n&#039;affaiblit pas leur structure.<\/li>\n\n\n\n<li><strong>Acide ac\u00e9tique (CH\u2083COOH)<\/strong> \u2013 Utilis\u00e9 dans la transformation des aliments et la production chimique, l&#039;acide ac\u00e9tique ne compromet pas le mat\u00e9riau.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les industries manipulant des solutions acides choisissent ces canalisations pour un transport de fluides fiable et durable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resistance-to-alkaline-corrosion\"><strong>R\u00e9sistance \u00e0 la corrosion alcaline<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les alcalis peuvent endommager de nombreux mat\u00e9riaux au fil du temps, mais les tubes PPH restent stables en milieu alcalin. Ces tuyaux r\u00e9sistent \u00e0\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hydroxyde de sodium (NaOH)<\/strong> \u2013 \u00c9galement appel\u00e9e soude caustique, cette substance chimique ne d\u00e9grade pas ces canalisations.<\/li>\n\n\n\n<li><strong>Hydroxyde de potassium (KOH)<\/strong> \u2013 Cette base solide n&#039;affecte ni la structure ni les performances du tuyau.<\/li>\n\n\n\n<li><strong>Ammoniac (NH\u2083) et compos\u00e9s d&#039;ammonium<\/strong> \u2013 Ces canalisations transportent des substances \u00e0 base d&#039;ammoniac sans d\u00e9gradation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les stations d&#039;\u00e9puration, les fabricants de produits chimiques et les usines de produits de nettoyage utilisent ces canalisations pour la manipulation s\u00fbre des fluides alcalins.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resistance-to-oxidation-and-corrosive-gases\"><strong>R\u00e9sistance \u00e0 l&#039;oxydation et aux gaz corrosifs<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tube PPH ne r\u00e9agit pas avec les agents oxydants qui provoquent la corrosion des tuyaux m\u00e9talliques. Ces tuyaux restent stables lorsqu&#039;ils sont expos\u00e9s \u00e0\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chlore (Cl\u2082)<\/strong> \u2013 Couramment utilis\u00e9 pour la d\u00e9sinfection et le traitement de l&#039;eau, le chlore n&#039;endommage pas ces canalisations.<\/li>\n\n\n\n<li><strong>Ozone (O\u2083)<\/strong> \u2013 Ce puissant agent oxydant n\u2019affaiblit ni ne d\u00e9grade ces canalisations.<\/li>\n\n\n\n<li><strong>Peroxyde d&#039;hydrog\u00e8ne (H\u2082O\u2082)<\/strong> Utilis\u00e9 pour le nettoyage et la st\u00e9rilisation, ce produit chimique ne d\u00e9t\u00e9riore pas le mat\u00e9riau.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les industries du traitement de l&#039;eau et de l&#039;assainissement privil\u00e9gient ces canalisations pour la manipulation s\u00fbre des substances oxydantes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resistance-to-organic-and-inorganic-solvents\"><strong>R\u00e9sistance aux solvants organiques et inorganiques<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tube PPH r\u00e9siste \u00e0 de nombreux solvants organiques et inorganiques, ce qui le rend adapt\u00e9 au transport de produits chimiques. Le mat\u00e9riau r\u00e9siste \u00e0\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alcools<\/strong> \u2013 L\u2019\u00e9thanol, le m\u00e9thanol et l\u2019isopropanol n\u2019endommagent pas ces canalisations.<\/li>\n\n\n\n<li><strong>C\u00e9tones<\/strong> \u2013 L\u2019ac\u00e9tone et la m\u00e9thyl\u00e9thylc\u00e9tone n\u2019affaiblissent pas la structure.<\/li>\n\n\n\n<li><strong>Hydrocarbures<\/strong> \u2013 Des substances telles que le benz\u00e8ne, le tolu\u00e8ne et le xyl\u00e8ne ne d\u00e9gradent pas le mat\u00e9riau.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les usines de traitement chimique et les laboratoires utilisent ces canalisations pour le transport s\u00fbr et efficace des solvants.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resistance-to-saltwater-and-marine-environments\"><strong>R\u00e9sistance \u00e0 l&#039;eau sal\u00e9e et aux environnements marins<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De nombreux mat\u00e9riaux de tuyauterie se corrodent en milieu marin en raison de leur forte teneur en chlorures. Le tube en PPH, quant \u00e0 lui, ne r\u00e9agit ni au sel ni \u00e0 l&#039;eau de mer, ce qui le rend id\u00e9al pour les applications marines. Contrairement aux tuyaux m\u00e9talliques qui rouillent et s&#039;entartrent, ces tuyaux conservent leurs performances en milieu c\u00f4tier et hauturier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les usines de dessalement, les industries de construction navale et les installations de forage en mer d\u00e9pendent de ces canalisations pour une gestion fiable des fluides.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-factors-affecting-corrosion-resistance\"><strong>Facteurs affectant la r\u00e9sistance \u00e0 la corrosion<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-temperature\"><strong>Temp\u00e9rature<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le tube PPH fonctionne bien \u00e0 des temp\u00e9ratures allant jusqu&#039;\u00e0 <strong>80 \u00b0C (176 \u00b0F)<\/strong>. Des temp\u00e9ratures plus \u00e9lev\u00e9es peuvent acc\u00e9l\u00e9rer les r\u00e9actions chimiques, mais ces tuyaux conservent leur r\u00e9sistance dans des conditions industrielles normales.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-chemical-concentration\"><strong>Concentration chimique<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Des concentrations \u00e9lev\u00e9es de produits chimiques agressifs peuvent affecter la r\u00e9sistance. La r\u00e9alisation de tests de compatibilit\u00e9 garantit une durabilit\u00e9 \u00e0 long terme lors de la manipulation de substances tr\u00e8s concentr\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exposure-time\"><strong>D\u00e9lai d&#039;exposition<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une exposition prolong\u00e9e \u00e0 des produits chimiques corrosifs peut alt\u00e9rer l&#039;int\u00e9grit\u00e9 des mat\u00e9riaux. Ces canalisations r\u00e9sistent \u00e0 la plupart des produits chimiques pendant de longues p\u00e9riodes, mais des inspections r\u00e9guli\u00e8res permettent de maintenir des performances optimales.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mechanical-stress\"><strong>Contrainte m\u00e9canique<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les pressions externes, les vibrations et les chocs peuvent cr\u00e9er des points faibles dans les syst\u00e8mes de tuyauterie. Une installation et un support ad\u00e9quats pr\u00e9viennent les d\u00e9faillances m\u00e9caniques et am\u00e9liorent la r\u00e9sistance \u00e0 la corrosion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-uv-exposure\"><strong>Exposition aux UV<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une exposition prolong\u00e9e et directe au soleil peut alt\u00e9rer les thermoplastiques. L&#039;utilisation de rev\u00eatements protecteurs ou l&#039;installation des canalisations dans des zones ombrag\u00e9es am\u00e9liore leur dur\u00e9e de vie en ext\u00e9rieur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-applications-in-corrosive-environments\"><strong>Applications en environnements corrosifs<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-chemical-processing-plants\"><strong>Usines de traitement chimique<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De nombreuses usines chimiques manipulent des acides, des bases et des solvants qui corrodent les canalisations traditionnelles. Les tubes PPH garantissent un transport s\u00fbr et efficace de ces substances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-water-and-wastewater-treatment\"><strong>Traitement de l&#039;eau et des eaux us\u00e9es<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les stations de traitement des eaux utilisent des produits chimiques comme le chlore et l&#039;acide sulfurique pour la purification. Ces canalisations supportent des substances agressives sans se d\u00e9grader.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-food-and-beverage-industry\"><strong>Industrie agroalimentaire<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les produits de nettoyage, les liquides acides et les solutions salines n\u00e9cessitent une tuyauterie r\u00e9sistante \u00e0 la corrosion. Ces tuyaux offrent une solution hygi\u00e9nique et durable pour les usines de transformation alimentaire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-pharmaceutical-and-medical-applications\"><strong>Applications pharmaceutiques et m\u00e9dicales<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La production pharmaceutique utilise des produits chimiques qui n\u00e9cessitent des syst\u00e8mes de transport non r\u00e9actifs. Ces canalisations garantissent la puret\u00e9 des produits tout en emp\u00eachant toute contamination.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-marine-and-offshore-industries\"><strong>Industries maritimes et offshore<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En milieu marin, les canalisations m\u00e9talliques se corrodent rapidement. Ces canalisations constituent une solution durable pour la construction navale, le dessalement et le forage en mer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mining-and-metallurgy\"><strong>Exploitation mini\u00e8re et m\u00e9tallurgie<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;exploitation mini\u00e8re utilise des produits chimiques corrosifs pour extraire et traiter les m\u00e9taux. Ces canalisations transportent des solutions de lixiviation, des acides et d&#039;autres fluides agressifs sans se d\u00e9grader.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-maintenance-and-longevity\"><strong>Entretien et long\u00e9vit\u00e9<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour prolonger la dur\u00e9e de vie d&#039;une sonde PPH, un entretien appropri\u00e9 comprend\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inspections r\u00e9guli\u00e8res<\/strong> \u2013 V\u00e9rifier l\u2019absence de dommages physiques ou d\u2019usure garantit des performances \u00e0 long terme.<\/li>\n\n\n\n<li><strong>Installation correcte<\/strong> \u2013 Des fixations et des structures de support s\u00e9curis\u00e9es emp\u00eachent les contraintes m\u00e9caniques.<\/li>\n\n\n\n<li><strong>Gestion de la temp\u00e9rature<\/strong> \u2013 Le maintien des temp\u00e9ratures de fonctionnement dans les limites recommand\u00e9es am\u00e9liore la durabilit\u00e9.<\/li>\n\n\n\n<li><strong>Contr\u00f4les de compatibilit\u00e9 chimique<\/strong> \u2013 V\u00e9rifier la r\u00e9sistance chimique permet d\u2019\u00e9viter les d\u00e9faillances inattendues.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les industries qui appliquent ces bonnes pratiques constatent une r\u00e9duction des co\u00fbts de maintenance et une augmentation de l&#039;efficacit\u00e9 des syst\u00e8mes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tube PPH offre une r\u00e9sistance exceptionnelle \u00e0 la corrosion, ce qui en fait le choix privil\u00e9gi\u00e9 des industries manipulant des substances agressives. Ces tuyaux r\u00e9sistent aux acides, aux alcalis, aux oxydants, aux solvants et \u00e0 l&#039;eau sal\u00e9e, garantissant ainsi une durabilit\u00e9 \u00e0 long terme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des facteurs tels que la temp\u00e9rature, la dur\u00e9e d&#039;exposition et la concentration chimique influent sur les performances, mais une installation et un entretien appropri\u00e9s garantissent la fiabilit\u00e9. Les usines chimiques, les stations d&#039;\u00e9puration, les usines agroalimentaires et les industries maritimes font confiance \u00e0 ces canalisations pour un transport de fluides s\u00fbr et efficace. Leur r\u00e9sistance \u00e0 la corrosion am\u00e9liore l&#039;efficacit\u00e9 op\u00e9rationnelle et r\u00e9duit les co\u00fbts de maintenance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ifan-international-standard\">Norme internationale IFAN<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les tubes PPH d&#039;IFAN sont conformes \u00e0 de nombreuses normes internationales et nationales, garantissant une qualit\u00e9 et une fiabilit\u00e9 \u00e9lev\u00e9es. Ces normes comprennent les normes ISO 15494, EN ISO 15494, DIN 8077\/8078, ASTM F2389, GB\/T 19472 et NBR 15494. Chaque norme d\u00e9finit des exigences sp\u00e9cifiques concernant les propri\u00e9t\u00e9s des mat\u00e9riaux, les dimensions, les performances et les m\u00e9thodes d&#039;essai. En adh\u00e9rant \u00e0 ces normes, IFAN garantit durabilit\u00e9, r\u00e9sistance chimique et s\u00e9curit\u00e9 dans diverses applications, notamment la tuyauterie industrielle, le traitement de l&#039;eau et les syst\u00e8mes de transport de produits chimiques. Ces certifications t\u00e9moignent de l&#039;engagement d&#039;IFAN envers l&#039;excellence et la compatibilit\u00e9 mondiale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-contact\">Contact<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IFAN est un fabricant professionnel fort de 30 ans d&#039;exp\u00e9rience, sp\u00e9cialis\u00e9 dans la production de tuyaux, raccords et vannes en plastique de haute qualit\u00e9. Nos produits comprennent des vannes en laiton, des vannes en PPR, ainsi que divers tuyaux et raccords pour r\u00e9pondre aux diff\u00e9rents besoins de nos clients. Que vous ayez besoin de tuyaux de plomberie et d&#039;\u00e9vacuation ou de vannes, IFAN propose une gamme diversifi\u00e9e de produits de haute qualit\u00e9 et \u00e9conomiques pour vos projets. Vous trouverez nos coordonn\u00e9es ci-dessous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous r\u00e9pondrons \u00e0 votre e-mail ou fax dans les 24 heures.<br>Vous pouvez nous appeler \u00e0 tout moment si vous avez des questions sur notre production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour plus d&#039;informations, veuillez visiter notre site Web&nbsp;<a href=\"https:\/\/ifanplus.com\/fr\">https:\/\/www.ifanplus.com\/<\/a><br>Veuillez envoyer un mail \u00e0 :&nbsp;<a href=\"mailto:jack@ifangroup.com\">jack@ifangroup.com<\/a><br><a href=\"https:\/\/api.whatsapp.com\/send?phone=https:\/\/api.whatsapp.com\/send?l=en&amp;phone=8619857948982\">WhatsApp : + 86 19857948982<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction PPH tube offers strong corrosion resistance, making it a reliable choice for industrial and commercial applications. Many industries use these pipes to transport chemicals, water, and other fluids without worrying about degradation. Unlike metal pipes, which rust and corrode over time, these pipes maintain their integrity even in harsh environments. Industries dealing with corrosive [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21070,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[597,332,478,333,348,401],"class_list":["post-21069","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pph","tag-pph-pipe","tag-pph-pipeline","tag-pph-piping","tag-pph-plumbing","tag-pph-tube"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v27.9) - 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