{"id":4538,"date":"2026-04-08T06:50:32","date_gmt":"2026-04-08T06:50:32","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4538"},"modified":"2026-04-08T06:50:32","modified_gmt":"2026-04-08T06:50:32","slug":"essais-de-pression-hydraulique-types-de-procedures-normes-pour-lhydraulique-industrielle","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/fr\/hydraulic-pressure-testing-types-procedures-standards-for-industrial-hydraulics\/","title":{"rendered":"Essais de pression hydraulique : Types, proc\u00e9dures et normes pour l'hydraulique industrielle"},"content":{"rendered":"<p><span style=\"font-size: 2em; font-weight: bold;\">Qu'est-ce que l'\u00e9preuve de pression hydraulique ?<\/span><\/p>\n<article>\n<section class=\"definition\">L'\u00e9preuve de pression hydraulique (\u00e9galement appel\u00e9e \u00e9preuve hydrostatique ou \u00e9preuve de maintien de pression) est une m\u00e9thode permettant de v\u00e9rifier qu'un composant ou un syst\u00e8me hydraulique peut r\u00e9sister \u00e0 la pression de fonctionnement pr\u00e9vue sans fuite, d\u00e9formation ou d\u00e9faillance :<\/p>\n<div class=\"formula\"><strong>Force = Pression \u00d7 Surface<\/strong><br \/>\n<strong>F = P \u00d7 A<\/strong><\/div>\n<p>Cette relation explique pourquoi les syst\u00e8mes hydrauliques g\u00e9n\u00e8rent des forces aussi \u00e9lev\u00e9es : l'application d'une pression \u00e0 un fluide dans une zone confin\u00e9e produit une force proportionnelle sur cette zone.<\/p>\n<h3>Pourquoi les essais sous pression sont-ils importants ?<\/h3>\n<ul>\n<li><strong>Validation de la s\u00e9curit\u00e9 :<\/strong> Confirme que les composants peuvent supporter les pressions de fonctionnement maximales et les marges de s\u00e9curit\u00e9.<\/li>\n<li><strong>D\u00e9tection des fuites :<\/strong> Identifie les points faibles des joints, des raccords et des soudures<\/li>\n<li><strong>L'assurance qualit\u00e9 :<\/strong> Le test de pression 100% est une pratique courante pour les fabricants de produits hydrauliques r\u00e9put\u00e9s.<\/li>\n<li><strong>Conformit\u00e9 r\u00e9glementaire :<\/strong> Conforme aux normes ISO 4413, ANSI et aux exigences de s\u00e9curit\u00e9 sp\u00e9cifiques \u00e0 l'industrie<\/li>\n<li><strong>V\u00e9rification des performances :<\/strong> Valide les sp\u00e9cifications de d\u00e9bit, de pression et d'efficacit\u00e9<\/li>\n<\/ul>\n<\/section>\n<section class=\"pressure-ratings\">\n<h2>Comprendre les pressions nominales<\/h2>\n<p>Avant d'effectuer ou de sp\u00e9cifier des essais de pression, vous devez comprendre les principales valeurs nominales de pression :<\/p>\n<table>\n<thead>\n<tr>\n<th>Evaluation<\/th>\n<th>Description<\/th>\n<th>Multiplicateur typique<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Pression de fonctionnement maximale<\/strong><\/td>\n<td>Pression la plus \u00e9lev\u00e9e attendue en fonctionnement normal<\/td>\n<td>1\u00d7<\/td>\n<\/tr>\n<tr>\n<td><strong>Pression d'\u00e9preuve<\/strong><\/td>\n<td>Essai non destructif pression maintenue bri\u00e8vement<\/td>\n<td>1,5-2\u00d7 fonctionnement max.<\/td>\n<\/tr>\n<tr>\n<td><strong>Pression d'\u00e9clatement<\/strong><\/td>\n<td>Pression \u00e0 laquelle se produit une d\u00e9faillance catastrophique<\/td>\n<td>4-6\u00d7 fonctionnement max.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Pression d'\u00e9preuve et pression d'\u00e9clatement<\/h3>\n<p><strong>Essai de pression d'\u00e9preuve<\/strong> est non destructif. Le composant est pressuris\u00e9 \u00e0 un niveau sp\u00e9cifi\u00e9 (g\u00e9n\u00e9ralement 1,5 \u00e0 2 fois la pression de fonctionnement maximale) et maintenu pendant une br\u00e8ve p\u00e9riode. Si le composant survit sans d\u00e9formation permanente ni fuite, il passe le test.<\/p>\n<p><strong>Essai de pression d'\u00e9clatement<\/strong> est destructeur. La pression continue d'augmenter jusqu'\u00e0 ce que le composant subisse une d\u00e9faillance catastrophique. Ce test d\u00e9termine la marge de s\u00e9curit\u00e9 et est g\u00e9n\u00e9ralement effectu\u00e9 sur des \u00e9chantillons de composants plut\u00f4t que sur chaque unit\u00e9.<\/p>\n<\/section>\n<section class=\"procedure\">\n<h2>La proc\u00e9dure d'essai de pression hydraulique<\/h2>\n<p>Suivez cette proc\u00e9dure standard pour tester sous pression les pompes, les moteurs, les valves et les tuyaux hydrauliques :<\/p>\n<h3>\u00c9tape 1 : Remplissage du circuit hydraulique<\/h3>\n<p>Avant tout test, le syst\u00e8me doit \u00eatre compl\u00e8tement rempli avec le milieu de test appropri\u00e9 :<\/p>\n<ul>\n<li><strong>Huile hydraulique :<\/strong> Pr\u00e9f\u00e9rence pour les composants avec des joints et des roulements<\/li>\n<li><strong>Eau ou solution eau-glycol :<\/strong> Utilis\u00e9 pour les assemblages de tuyaux et certains essais environnementaux<\/li>\n<li><strong>Azote :<\/strong> Parfois utilis\u00e9 pour les composants pneumatiques ou les tests d'impulsion sp\u00e9cifiques<\/li>\n<\/ul>\n<p>S'assurer que tout l'air est purg\u00e9 du syst\u00e8me. Les poches d'air peuvent provoquer des relev\u00e9s de pression erratiques et fournir une compression qui masque les taux de fuite r\u00e9els.<\/p>\n<h3>\u00c9tape 2 : Mise sous pression de la conduite de pression<\/h3>\n<p>Augmenter progressivement la pression jusqu'au niveau cible du test :<\/p>\n<ol>\n<li>Pressuriser lentement jusqu'\u00e0 50% de la pression d'essai<\/li>\n<li>Maintenir pendant 2 \u00e0 3 minutes, en v\u00e9rifiant qu'il n'y a pas de fuites visibles.<\/li>\n<li>Augmentation \u00e0 100% de la pression d'essai<\/li>\n<li>Maintenir pendant la dur\u00e9e sp\u00e9cifi\u00e9e (g\u00e9n\u00e9ralement 15 minutes au minimum)<\/li>\n<li>Contr\u00f4ler le manom\u00e8tre pour d\u00e9tecter toute chute de pression<\/li>\n<\/ol>\n<h3>\u00c9tape 3 : Rel\u00e2chement de la pression<\/h3>\n<p>Apr\u00e8s la p\u00e9riode d'attente :<\/p>\n<ol>\n<li>\u00c9vacuer la pression en toute s\u00e9curit\u00e9 jusqu'\u00e0 ce qu'elle soit nulle<\/li>\n<li>Inspecter le composant pour v\u00e9rifier qu'il n'y a pas de d\u00e9formation permanente<\/li>\n<li>V\u00e9rifier les joints, les raccords et les joints soud\u00e9s pour s'assurer qu'ils ne sont pas soumis \u00e0 des contraintes ou qu'ils ne suintent pas.<\/li>\n<\/ol>\n<h3>\u00c9tape 4 : Pressurisation de la conduite de retour (le cas \u00e9ch\u00e9ant)<\/h3>\n<p>Pour tester l'ensemble du syst\u00e8me, r\u00e9p\u00e9ter le processus sur la conduite de retour\/de vidange \u00e0 la pression d'essai sp\u00e9cifi\u00e9e.<\/p>\n<\/section>\n<section class=\"test-types\">\n<h2>Types d'essais de pression hydraulique<\/h2>\n<article id=\"proof-pressure\" class=\"test-type\">\n<h3>1. Essai de pression d'\u00e9preuve<\/h3>\n<ul>\n<li><strong>Objet :<\/strong> V\u00e9rifier que le composant peut r\u00e9sister \u00e0 la pression de fonctionnement maximale<\/li>\n<li><strong>Pression :<\/strong> 1,5-2\u00d7 la pression de service maximale<\/li>\n<li><strong>Dur\u00e9e de l'enqu\u00eate :<\/strong> 15-30 minutes de temps de maintien<\/li>\n<li><strong>Standard :<\/strong> ISO 10771-1 (essais de fatigue)<\/li>\n<li><strong>Crit\u00e8res de r\u00e9ussite :<\/strong> Pas de fuite, de d\u00e9formation permanente ou de d\u00e9faillance structurelle<\/li>\n<\/ul>\n<\/article>\n<article id=\"burst-pressure\" class=\"test-type\">\n<h3>2. Essai de pression d'\u00e9clatement<\/h3>\n<ul>\n<li><strong>Objet :<\/strong> D\u00e9terminer la pression \u00e0 laquelle se produit une d\u00e9faillance catastrophique<\/li>\n<li><strong>Pression :<\/strong> Augmentation jusqu'\u00e0 la rupture du composant (4-6\u00d7 la pression de service en g\u00e9n\u00e9ral)<\/li>\n<li><strong>Maximum\u53ef\u8fbe :<\/strong> 20 000 PSI et plus pour les \u00e9quipements sp\u00e9cialis\u00e9s<\/li>\n<li><strong>Standard :<\/strong> ISO 10771, sp\u00e9cifications du fabricant<\/li>\n<li><strong>Application :<\/strong> Essais sur \u00e9chantillons, validation du facteur de s\u00e9curit\u00e9<\/li>\n<\/ul>\n<\/article>\n<article id=\"impulse-pressure\" class=\"test-type\">\n<h3>3. Essai de pression d'impulsion<\/h3>\n<ul>\n<li><strong>Objet :<\/strong> Essai de r\u00e9sistance \u00e0 la fatigue sous charge de pression cyclique<\/li>\n<li><strong>M\u00e9thode :<\/strong> Chocs de pression p\u00e9riodiques \u00e0 des amplitudes d\u00e9finies<\/li>\n<li><strong>Cycles :<\/strong> Jusqu'\u00e0 1 000 000+ cycles pour les raccords rapides (ISO 18869)<\/li>\n<li><strong>Dur\u00e9e de l'enqu\u00eate :<\/strong> De quelques jours \u00e0 quelques semaines en fonction du rythme du cycle<\/li>\n<li><strong>Standard :<\/strong> ISO 6803 (tuyaux), ISO 18869 (raccords)<\/li>\n<li><strong>Application :<\/strong> Composants soumis \u00e0 des pulsations de pression en service<\/li>\n<\/ul>\n<\/article>\n<article id=\"continuous-flow\" class=\"test-type\">\n<h3>4. Essai de d\u00e9bit continu<\/h3>\n<ul>\n<li><strong>Objet :<\/strong> Valider les performances dans des conditions de d\u00e9bit soutenu<\/li>\n<li><strong>Param\u00e8tres :<\/strong> D\u00e9bit, perte de charge, augmentation de la temp\u00e9rature<\/li>\n<li><strong>Dur\u00e9e de l'enqu\u00eate :<\/strong> P\u00e9riodes de fonctionnement prolong\u00e9es (de quelques heures \u00e0 plusieurs jours)<\/li>\n<li><strong>Application :<\/strong> Pompes et moteurs hydrauliques<\/li>\n<\/ul>\n<\/article>\n<article id=\"leak-test\" class=\"test-type\">\n<h3>5. Essai d'\u00e9tanch\u00e9it\u00e9<\/h3>\n<ul>\n<li><strong>Objet :<\/strong> D\u00e9tecter les fuites au niveau des joints, des raccords et des connexions<\/li>\n<li><strong>M\u00e9thode :<\/strong> Pressuriser et maintenir, \u00e0 l'aide d'une solution savonneuse ou de d\u00e9tecteurs de fuites \u00e9lectroniques.<\/li>\n<li><strong>Sensibilit\u00e9 :<\/strong> Peut d\u00e9tecter des fuites aussi petites que 10^-6 mbar-l\/s<\/li>\n<li><strong>Application :<\/strong> Tous les composants hydrauliques sous pression<\/li>\n<\/ul>\n<\/article>\n<article id=\"salt-spray\" class=\"test-type\">\n<h3>6. Essai au brouillard salin<\/h3>\n<ul>\n<li><strong>Objet :<\/strong> \u00c9valuer la r\u00e9sistance \u00e0 la corrosion des mat\u00e9riaux et des rev\u00eatements<\/li>\n<li><strong>L'environnement :<\/strong> 5% Brouillard de solution de NaCl \u00e0 35\u00b0C<\/li>\n<li><strong>Dur\u00e9e de l'enqu\u00eate :<\/strong> 24-1 000 heures selon les sp\u00e9cifications<\/li>\n<li><strong>Application :<\/strong> Hydraulique marine, \u00e9quipement ext\u00e9rieur<\/li>\n<\/ul>\n<\/article>\n<\/section>\n<section class=\"standards\">\n<h2>Normes ISO pour les essais de pression hydraulique<\/h2>\n<p>L'utilisation de normes reconnues garantit des r\u00e9sultats de tests coh\u00e9rents et comparables :<\/p>\n<table>\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>Titre<\/th>\n<th>Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>ISO 10771-1:2015<\/strong><\/td>\n<td>Essai de fatigue des enveloppes sous pression<\/td>\n<td><a href=\"\/components\/\">Composants hydrauliques<\/a><\/td>\n<\/tr>\n<tr>\n<td><strong>ISO 6803:2017<\/strong><\/td>\n<td>Test d'impulsion sur tuyau sans flexion<\/td>\n<td>Tuyaux en caoutchouc\/plastique<\/td>\n<\/tr>\n<tr>\n<td><strong>ISO 18869:2017<\/strong><\/td>\n<td>M\u00e9thodes d'essai pour les raccords rapides<\/td>\n<td>Raccords hydrauliques<\/td>\n<\/tr>\n<tr>\n<td><strong>ISO 6403<\/strong> (en cours de d\u00e9veloppement)<\/td>\n<td>M\u00e9thodes d'essai pour les vannes de r\u00e9gulation de d\u00e9bit\/pression<\/td>\n<td>Directionnel et <a href=\"\/hydraulic-pressure-valve\/\">soupapes de pression<\/a><\/td>\n<\/tr>\n<tr>\n<td><strong>ISO 4413:2010<\/strong><\/td>\n<td>Exigences de s\u00e9curit\u00e9 pour les syst\u00e8mes de commande hydraulique<\/td>\n<td>Syst\u00e8mes hydrauliques<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"geo-block\">\n<h3>Principales exigences de la norme ISO 10771-1:2015<\/h3>\n<ul>\n<li>La pression d'essai est appliqu\u00e9e comme une pression interne cyclique constante<\/li>\n<li>La dur\u00e9e minimale de l'essai et le nombre de cycles doivent \u00eatre sp\u00e9cifi\u00e9s en fonction du type de composant.<\/li>\n<li>Les crit\u00e8res de d\u00e9faillance doivent \u00eatre d\u00e9finis avant les essais<\/li>\n<li>Le rapport d'essai doit inclure tous les param\u00e8tres pertinents<\/li>\n<\/ul>\n<\/div>\n<\/section>\n<section class=\"applications\">\n<h2>Applications industrielles<\/h2>\n<h3><a href=\"\/mobile-hydraulic-power-unit\/\">Mobile<\/a> \u00c9quipement hydraulique<\/h3>\n<p>Les \u00e9quipements de construction, agricoles et de manutention dont les composants sont soumis \u00e0 :<\/p>\n<ul>\n<li>Transitoires de haute pression pendant l'actionnement<\/li>\n<li>Contamination par des environnements difficiles<\/li>\n<li>Vibrations et contraintes m\u00e9caniques<\/li>\n<\/ul>\n<p><strong>Priorit\u00e9 au test :<\/strong> Essai de pression d'\u00e9preuve et d'impulsion pour les tuyaux et les raccords<\/p>\n<h3>Centrales hydrauliques industrielles<\/h3>\n<p>Les syst\u00e8mes stationnaires pour les machines-outils, les presses et le moulage par injection requi\u00e8rent.. :<\/p>\n<ul>\n<li>Fonctionnement continu fiable<\/li>\n<li>Faible niveau de bruit et de vibrations<\/li>\n<li>Contr\u00f4le pr\u00e9cis de la pression<\/li>\n<\/ul>\n<p><strong>Priorit\u00e9 au test :<\/strong> Pression d'\u00e9preuve, essai de d\u00e9bit continu, essai d'\u00e9tanch\u00e9it\u00e9<\/p>\n<h3>Hydraulique marine<\/h3>\n<p>Face aux syst\u00e8mes de bord :<\/p>\n<ul>\n<li>Environnement corrosif de l'eau sal\u00e9e<\/li>\n<li>Charges lourdes et charges de choc<\/li>\n<li>Contraintes d'espace<\/li>\n<\/ul>\n<p><strong>Priorit\u00e9 au test :<\/strong> Essais au brouillard salin, pression d'\u00e9preuve, essais d'\u00e9clatement pour les machines de pont<\/p>\n<h3>Hydraulique a\u00e9rospatiale<\/h3>\n<p>Demande de syst\u00e8mes de commande de vol et de trains d'atterrissage :<\/p>\n<ul>\n<li>Tr\u00e8s haute fiabilit\u00e9<\/li>\n<li>Poids minimal<\/li>\n<li>Des performances pr\u00e9cises<\/li>\n<\/ul>\n<p><strong>Priorit\u00e9 au test :<\/strong> Tests d'impulsion \u00e9tendus, tests d'\u00e9preuve 100%, documentation stricte<\/p>\n<\/section>\n<section class=\"provider-selection\">\n<h2>Choix d'un fournisseur d'analyses hydrauliques<\/h2>\n<p>Lors de l'externalisation des essais sous pression ou de la sp\u00e9cification des exigences en mati\u00e8re d'essais :<\/p>\n<h3>Questions \u00e0 poser<\/h3>\n<ol>\n<li>Quelles sont les normes d'essai que vous pouvez certifier ? (ISO, ANSI, ASTM)<\/li>\n<li>Quelle est votre capacit\u00e9 de pression d'essai maximale ?<\/li>\n<li>Effectuez-vous des tests sur 100% ou sur des \u00e9chantillons ?<\/li>\n<li>Quels documents et certificats fournissez-vous ?<\/li>\n<li>Pouvez-vous effectuer des tests en fonction des sp\u00e9cifications de mes composants ?<\/li>\n<li>Quel est votre d\u00e9lai d'ex\u00e9cution ?<\/li>\n<\/ol>\n<h3>Ce qu'il faut sp\u00e9cifier<\/h3>\n<ul>\n<li>Sp\u00e9cifications des composants et dessins CAO<\/li>\n<li>Norme(s) d'essai requise(s)<\/li>\n<li>Valeurs de pression d'\u00e9preuve et d'\u00e9clatement<\/li>\n<li>Dur\u00e9e de maintien et nombre de cycles<\/li>\n<li>Crit\u00e8res d'acceptation<\/li>\n<li>Documentation requise<\/li>\n<\/ul>\n<\/section>\n<section class=\"faq\">\n<h2>Questions fr\u00e9quemment pos\u00e9es<\/h2>\n<div class=\"faq-item\">\n<h3>Quelle est la diff\u00e9rence entre les essais hydrostatiques et les essais hydrauliques ?<\/h3>\n<p>Les essais hydrostatiques utilisent un liquide (g\u00e9n\u00e9ralement de l'eau) comme moyen de pression et sont souvent utilis\u00e9s pour les cuves, les tuyaux et les assemblages de flexibles. Les essais hydrauliques utilisent g\u00e9n\u00e9ralement de l'huile hydraulique comme fluide d'essai et sont utilis\u00e9s pour les composants et les syst\u00e8mes hydrauliques. Les deux essais permettent de valider le confinement de la pression, mais peuvent utiliser des \u00e9quipements et des proc\u00e9dures diff\u00e9rents.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>Quelle est la dur\u00e9e d'une \u00e9preuve de pression hydraulique ?<\/h3>\n<p>Les temps d'attente standard sont g\u00e9n\u00e9ralement de 15 minutes pour les essais de pression d'\u00e9preuve, mais cela varie en fonction de la norme et du composant. Certaines sp\u00e9cifications exigent 30 minutes ou plus. Consultez la norme applicable (ISO 10771, ISO 6803, etc.) ou votre fabricant de composants pour conna\u00eetre les exigences sp\u00e9cifiques.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>\u00c0 quelle pression les composants hydrauliques doivent-ils \u00eatre test\u00e9s ?<\/h3>\n<p>G\u00e9n\u00e9ralement 1,5 \u00e0 2 fois la pression de service maximale pour les essais d'\u00e9preuve. La pression de service maximale est d\u00e9finie par le fabricant. Ne jamais d\u00e9passer la pression nominale du composant sans l'autorisation explicite du fabricant.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>Le test de pression 100% est-il requis pour tous les composants hydrauliques ?<\/h3>\n<p>Bien qu'il ne soit pas universellement obligatoire, le test de pression 100% est consid\u00e9r\u00e9 comme la meilleure pratique pour les composants critiques et est exig\u00e9 par de nombreuses sp\u00e9cifications des \u00e9quipementiers. Il offre le plus haut niveau d'assurance qualit\u00e9.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>Quelle est la cause de la chute de pression lors d'un test de maintien ?<\/h3>\n<p>La chute de pression peut indiquer :<\/p>\n<ul>\n<li>Fuites au niveau des joints, des raccords ou des soudures<\/li>\n<li>Contraction thermique du milieu d'essai<\/li>\n<li>Compressibilit\u00e9 de l'air emprisonn\u00e9<\/li>\n<li>D\u00e9formation \u00e9lastique des tuyaux ou des composants<\/li>\n<\/ul>\n<p>Distinguer les vraies fuites des effets thermiques en contr\u00f4lant la temp\u00e9rature.<\/p>\n<\/div>\n<\/section>\n<section class=\"conclusion\">\n<h2>Conclusion<\/h2>\n<p>Les essais de pression hydraulique sont essentiels pour valider la s\u00e9curit\u00e9, la fiabilit\u00e9 et les performances des composants hydrauliques. Comprendre les diff\u00e9rents types d'essais - \u00e9preuve, \u00e9clatement, impulsion et fuite - aide les ing\u00e9nieurs et les acheteurs \u00e0 sp\u00e9cifier les proc\u00e9dures de validation appropri\u00e9es.<\/p>\n<p>En respectant des normes \u00e9tablies telles que ISO 10771-1 et ISO 6803, les fabricants peuvent garantir une qualit\u00e9 constante et les utilisateurs finaux peuvent avoir confiance dans leur \u00e9quipement hydraulique.<\/p>\n<p>Pour obtenir de l'aide sur la s\u00e9lection des composants hydrauliques, les exigences en mati\u00e8re d'essais ou la conception de centrales hydrauliques personnalis\u00e9es, contactez notre \u00e9quipe d'ing\u00e9nieurs.<\/p>\n<\/section>\n<\/article>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is Hydraulic Pressure Testing? Hydraulic pressure testing (also called hydrostatic testing or pressure holding test) is a method of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4540,"comment_status":"open","ping_status":"open","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":"default","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":"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":"","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-4)","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-4)","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-4)","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":[1],"tags":[],"class_list":["post-4538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydraulic Pressure Testing: Types, Procedures &amp; Standards for Industrial Hydraulics - Hydrath Power<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hydrathpower.com\/fr\/essais-de-pression-hydraulique-types-de-procedures-normes-pour-lhydraulique-industrielle\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydraulic Pressure Testing: Types, Procedures &amp; Standards for Industrial Hydraulics - Hydrath Power\" \/>\n<meta property=\"og:description\" content=\"What Is Hydraulic Pressure Testing? 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