{"id":30542,"date":"2026-02-25T11:20:40","date_gmt":"2026-02-25T10:20:40","guid":{"rendered":"https:\/\/www.fluimac.com\/?page_id=30542"},"modified":"2026-03-16T11:34:19","modified_gmt":"2026-03-16T10:34:19","slug":"pression-de-refoulement-qu-est-ce-que-c-est-comment-la-calculer-et-applications-pratiques","status":"publish","type":"page","link":"https:\/\/www.fluimac.com\/fr\/pression-de-refoulement-qu-est-ce-que-c-est-comment-la-calculer-et-applications-pratiques\/","title":{"rendered":"\u00ab Pr\u00e9vale de la pompe \u00bb : qu&rsquo;est-ce que cela signifie, comment la calculer et quelles sont ses applications pratiques ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"30542\" class=\"elementor elementor-30542 elementor-30539\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-464fa4e elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"464fa4e\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-9c56e23\" data-id=\"9c56e23\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4094b5b elementor-widget elementor-widget-heading\" data-id=\"4094b5b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\u00abPriorit\u00e9 \u00e0 la pompe\u00bb:<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-654d18d elementor-widget elementor-widget-heading\" data-id=\"654d18d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Que signifie-t-il, comment le calcule-t-on et quelles sont ses applications pratiques ?<\/h1>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-9eb5820\" data-id=\"9eb5820\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-340e0dd elementor-widget elementor-widget-text-editor\" data-id=\"340e0dd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dans le domaine du transport des fluides, la <strong>hauteur manom\u00e9trique<\/strong> est l&rsquo;un des param\u00e8tres les plus importants pour choisir une pompe et garantir son bon fonctionnement, tant pour les <a href=\"https:\/\/www.fluimac.com\/fr\/comment-choisir-une-pompe-centrifuge-guide-technique-et-conseils-pratiques\/\"><strong>pompes centrifuges<\/strong><\/a> que (en termes \u00e9quivalents) pour les <a href=\"https:\/\/www.fluimac.com\/fr\/pompe-a-membrane-principes-de-fonctionnement-et-schema-pratique\/\"><strong>pompes \u00e0 membrane<\/strong><\/a>, o\u00f9 l&rsquo;on raisonne souvent plus directement en termes de <strong>pression<\/strong>.<\/p><p>Comprendre ce qu&rsquo;est la hauteur manom\u00e9trique, son incidence sur les performances et la mani\u00e8re de la calculer permet de s\u00e9lectionner la machine la plus adapt\u00e9e et d&rsquo;assurer un fonctionnement <strong>efficace, s\u00fbr et durable<\/strong> de l&rsquo;installation.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-806e401 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"806e401\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-279e606\" data-id=\"279e606\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4fa3130 elementor-widget elementor-widget-heading\" data-id=\"4fa3130\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">D\u00e9bit et hauteur manom\u00e9trique : un \u00e9quilibre essentiel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-625ef84 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"625ef84\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-4c2b321 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"4c2b321\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-ee00f80\" data-id=\"ee00f80\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fa8871e elementor-widget elementor-widget-text-editor\" data-id=\"fa8871e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le d\u00e9bit (Q) et la hauteur manom\u00e9trique (H) sont \u00e9troitement li\u00e9s, surtout dans le cas des <a href=\"https:\/\/www.fluimac.com\/fr\/pompes-centrifuges-fluides-en-mouvement\/\">pompes centrifuges<\/a> : en g\u00e9n\u00e9ral, <strong>lorsque le d\u00e9bit augmente, la hauteur manom\u00e9trique disponible diminue<\/strong>, et inversement.<br \/>Ce comportement est d\u00e9crit par les<strong> courbes caract\u00e9ristiques<\/strong> du fabricant (d\u00e9bit sur l&rsquo;axe horizontal et hauteur manom\u00e9trique sur l&rsquo;axe vertical) et permet de d\u00e9terminer le point de fonctionnement correct, id\u00e9alement proche du point de rendement maximal (BEP).<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3a0954e elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"3a0954e\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-45f64b2\" data-id=\"45f64b2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a487d9a elementor-widget elementor-widget-heading\" data-id=\"a487d9a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Que signifie \u00ab pr\u00e9valence \u00bb (en termes simples) ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f2cb7a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3f2cb7a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-d5180c8 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"d5180c8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-d38acea\" data-id=\"d38acea\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1dc8424 elementor-widget elementor-widget-text-editor\" data-id=\"1dc8424\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La hauteur manom\u00e9trique indique<strong> la quantit\u00e9 d&rsquo;\u00e9nergie par unit\u00e9 de poids<\/strong> que la pompe doit fournir au fluide pour le faire passer du point A au point B de l&rsquo;installation.<br \/>Elle s&rsquo;exprime en <strong>m\u00e8tres de colonne de fluide<\/strong> (mH\u2082O lorsqu&rsquo;elle se rapporte \u00e0 l&rsquo;eau).<\/p><p>En pratique, la hauteur manom\u00e9trique sert \u00e0 :<\/p><ul><li>surmonter la <strong>diff\u00e9rence<\/strong> <strong>de niveau<\/strong> entre l&rsquo;aspiration et le refoulement,<\/li><li>compenser les<strong> pertes de charge<\/strong> dues aux tuyauteries, aux coudes, aux vannes et aux accessoires,<\/li><li>(le cas \u00e9ch\u00e9ant) g\u00e9rer les diff\u00e9rences de <strong>pression<\/strong> entre les r\u00e9servoirs\/conduites.<\/li><\/ul><p><br \/>Remarque utile : la hauteur manom\u00e9trique et la pression sont li\u00e9es, mais<strong> ne sont pas identiques<\/strong>. La conversion d\u00e9pend de la densit\u00e9 du fluide.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c26bd69 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"c26bd69\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ec7769\" data-id=\"4ec7769\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5af9759 elementor-widget elementor-widget-heading\" data-id=\"5af9759\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment calcule-t-on la pr\u00e9valence totale?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d945e8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4d945e8\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8dd3c4c elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"8dd3c4c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-5a55c9c\" data-id=\"5a55c9c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-72a9234 elementor-widget elementor-widget-text-editor\" data-id=\"72a9234\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour calculer correctement la hauteur manom\u00e9trique, il faut consid\u00e9rer le syst\u00e8me dans son ensemble. Les principaux facteurs sont les suivants :<\/p><ul><li><strong>D\u00e9nivel\u00e9 (hauteur manom\u00e9trique g\u00e9od\u00e9sique \/ statique)<\/strong> : diff\u00e9rence de niveau entre le point d&rsquo;aspiration et le point de refoulement.<\/li><li><strong>Pertes de charge<\/strong> : \u00e9nergie perdue par frottement dans les tuyauteries, les coudes, les vannes, les filtres, etc. (tant \u00e0 l&rsquo;aspiration qu&rsquo;au refoulement).<\/li><li><strong>Diff\u00e9rence de pression (le cas \u00e9ch\u00e9ant)<\/strong> : par exemple, r\u00e9servoirs sous pression ou conduites \u00e0 pression diff\u00e9rente.<\/li><li><strong>Terme de vitesse<\/strong> : souvent faible, mais il appara\u00eet dans la formule compl\u00e8te.<br \/><br \/><\/li><\/ul><h6>Formule:<\/h6><h6><b>H = (p\u2082 \u2212 p\u2081)\/(\u03c1\u00b7g) + (z\u2082 \u2212 z\u2081) + (v\u2082\u00b2 \u2212 v\u2081\u00b2)\/(2g) + \u03a3h_perdites<\/b><\/h6><p>O\u00f9 :<\/p><ul><li><strong>p<\/strong> = pression, <strong>\u03c1<\/strong> = densit\u00e9, <strong>g<\/strong> = gravit\u00e9<\/li><li><strong>z\u2082 \u2212 z\u2081<\/strong> = diff\u00e9rence de niveau (hauteur g\u00e9od\u00e9sique)<\/li><li><strong>\u03a3h_perdites<\/strong> = pertes de charge totales<br \/><br \/><\/li><\/ul><h6>Cas pratique typique (installation avec r\u00e9servoirs ouverts et vitesse n\u00e9gligeable) :<br \/>H \u2248 (z\u2082 \u2212 z\u2081) + \u03a3h_perdites<\/h6><p>En pratique, il est raisonnable d&rsquo;ajouter une <strong>marge de 10 \u00e0 15 %<\/strong> pour tenir compte des variations (temp\u00e9rature, densit\u00e9, encrassement, usure des tuyauteries).<\/p><h4><b><br \/>Clarification des termes:<br \/><\/b><\/h4><p>Dans le langage technique, certains termes sont mal utilis\u00e9s ou consid\u00e9r\u00e9s comme synonymes. Voici une d\u00e9finition claire :<\/p><ul><li><strong>D\u00e9nivel\u00e9 \/ hauteur manom\u00e9trique g\u00e9od\u00e9sique (statique)<\/strong> : uniquement la<strong> diff\u00e9rence de niveau<\/strong>.<\/li><li><strong>Pertes de charge<\/strong> : frottement + r\u00e9sistances localis\u00e9es (coudes\/vannes\/raccords).<\/li><li><strong>Hauteur manom\u00e9trique totale<\/strong> : somme de la hauteur + des pertes + de la pression \u00e9ventuelle + de la vitesse \u00e9ventuelle.<br \/><br \/><\/li><\/ul><p>Par cons\u00e9quent : <strong>la hauteur g\u00e9od\u00e9sique N&rsquo;INCLUT PAS les pertes<\/strong> (celles-ci constituent un autre terme).<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-02b3102 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"02b3102\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d676ebd\" data-id=\"d676ebd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ee4cd6b elementor-widget elementor-widget-heading\" data-id=\"ee4cd6b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment choisir une pompe en fonction de la hauteur manom\u00e9trique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1f4a4f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a1f4a4f\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5b72013 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"5b72013\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-8514809\" data-id=\"8514809\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a6589c elementor-widget elementor-widget-text-editor\" data-id=\"4a6589c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Une s\u00e9lection correcte suit g\u00e9n\u00e9ralement les \u00e9tapes suivantes :<\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>D\u00e9finissez le d\u00e9bit requis (Q)<\/strong><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Calculez la hauteur manom\u00e9trique totale (H)<\/strong> en incluant la hauteur de chute + les pertes de charge + la pression (le cas \u00e9ch\u00e9ant)<\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>\u00c9valuez correctement les pertes de charge<\/strong>, qui d\u00e9pendent :<ul><li style=\"font-weight: 400;\" aria-level=\"2\">de la longueur, du diam\u00e8tre et de la rugosit\u00e9 des tuyauteries<\/li><li style=\"font-weight: 400;\" aria-level=\"2\">du nombre de coudes et de raccords<\/li><li style=\"font-weight: 400;\" aria-level=\"2\">du type et de l&rsquo;\u00e9tat des vannes<\/li><li style=\"font-weight: 400;\" aria-level=\"2\">de la viscosit\u00e9 et de la temp\u00e9rature du fluide<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Comparez le point (Q, H)<\/strong> avec les courbes d\u00e9bit\/hauteur manom\u00e9trique des mod\u00e8les disponibles<br \/><br \/><\/li><\/ol><p><strong>V\u00e9rifiez le NPSH<\/strong> : assurez-vous que le <strong>NPSH disponible<\/strong> soit toujours sup\u00e9rieur au <strong>NPSH requis<\/strong> par la pompe, sinon vous<a href=\"https:\/\/www.fluimac.com\/fr\/la-cavitation-dans-les-pompes-definition-et-conseils-utiles-pour-la-prevenir\/\"> risquez la cavitation<\/a> (bruit, vibrations, dommages).<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-67d3b01 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"67d3b01\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b3dd71c\" data-id=\"b3dd71c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e289112 elementor-widget elementor-widget-heading\" data-id=\"e289112\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">D\u00e9bit et pression: conversion rapide<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ceb2dd elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3ceb2dd\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-bd39f23 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"bd39f23\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-fba500e\" data-id=\"fba500e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e759549 elementor-widget elementor-widget-text-editor\" data-id=\"e759549\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour l&rsquo;eau \u00e0 temp\u00e9rature ambiante (\u03c1 \u2248 1000 kg\/m\u00b3) :<\/p><ul><li><strong>1 bar \u2248 10,2 mH\u2082O<\/strong><br \/><br \/><\/li><\/ul><p>Pour les fluides plus denses ou plus l\u00e9gers, ce rapport varie ; cette conversion est donc utile pour une estimation rapide, mais ne doit pas \u00eatre consid\u00e9r\u00e9e comme une \u00ab loi universelle \u00bb.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-973f749 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"973f749\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f093354\" data-id=\"f093354\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a5e4e8 elementor-widget elementor-widget-heading\" data-id=\"1a5e4e8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi la pr\u00e9valence est-elle essentielle ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-615f9f6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"615f9f6\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e974ff4 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"e974ff4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-9052380\" data-id=\"9052380\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e5f32af elementor-widget elementor-widget-text-editor\" data-id=\"e5f32af\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La pr\u00e9valence n&rsquo;est pas seulement un chiffre : c&rsquo;est ce qui d\u00e9termine si l&rsquo;installation fonctionnera avec :<\/p><ul><li>un d\u00e9bit stable,<\/li><li>une consommation raisonnable,<\/li><li>moins de pannes et d&rsquo;arr\u00eats,<\/li><li>une dur\u00e9e de vie prolong\u00e9e de la pompe.<br \/><br \/><\/li><\/ul><p>Chez Fluimac, ces param\u00e8tres sont au c\u0153ur de chaque projet : chaque pompe est con\u00e7ue et test\u00e9e pour garantir des performances constantes dans le temps, m\u00eame dans les applications les plus complexes.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3b87c3a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3b87c3a\" data-element_type=\"section\" id=\"form\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2490d04\" data-id=\"2490d04\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-726622f elementor-widget elementor-widget-heading\" data-id=\"726622f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Demande de consultation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7988ff7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7988ff7\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3001c5 elementor-widget elementor-widget-text-editor\" data-id=\"f3001c5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Vous avez besoin d&rsquo;aide pour choisir l&rsquo;agitateur vertical le mieux adapt\u00e9 \u00e0 vos besoins sp\u00e9cifiques en mati\u00e8re de traitement des fluides ?<\/p><p>Remplissez le formulaire ci-dessous et vous serez contact\u00e9 par notre \u00e9quipe.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-add765e elementor-widget elementor-widget-global elementor-global-22977 elementor-widget-html\" data-id=\"add765e\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js-eu1.hsforms.net\/forms\/embed\/v2.js\"><\/script>\n<script>\n  hbspt.forms.create({\n    portalId: \"144007426\",\n    formId: \"a9709f51-73e0-4042-b980-ae3e1c9862f4\",\n    region: \"eu1\"\n  });\n<\/script>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fc7312e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fc7312e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4fbfbdc\" data-id=\"4fbfbdc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bdc16f1 elementor-widget elementor-widget-heading\" data-id=\"bdc16f1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les meilleures solutions, certifi\u00e9es<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0adb21f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0adb21f\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-daf0fb0 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"daf0fb0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-cfafe32\" data-id=\"cfafe32\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-712a804 elementor-widget elementor-widget-image\" data-id=\"712a804\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_01.webp\" class=\"attachment-large size-large wp-image-8378\" alt=\"\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-273aa74\" data-id=\"273aa74\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e2ca8fd elementor-widget elementor-widget-image\" data-id=\"e2ca8fd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_02.webp\" class=\"attachment-large size-large wp-image-8381\" alt=\"\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-50c8f42\" data-id=\"50c8f42\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62610a5 elementor-widget elementor-widget-image\" data-id=\"62610a5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_03.webp\" class=\"attachment-large size-large wp-image-8384\" alt=\"\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-3f53272\" data-id=\"3f53272\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-85d0561 elementor-widget elementor-widget-image\" data-id=\"85d0561\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_04.webp\" class=\"attachment-large size-large wp-image-8387\" alt=\"\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-b9fce43\" data-id=\"b9fce43\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a8bf1c9 elementor-widget elementor-widget-image\" data-id=\"a8bf1c9\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_05.webp\" class=\"attachment-large size-large wp-image-8390\" alt=\"\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-8647c3b\" data-id=\"8647c3b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b0f2ced elementor-widget elementor-widget-image\" data-id=\"b0f2ced\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_FDA-COMPLIANT.webp\" class=\"attachment-large size-large wp-image-8393\" alt=\"\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-14 elementor-inner-column elementor-element elementor-element-0c83cd3\" data-id=\"0c83cd3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e61a5b9 elementor-widget elementor-widget-image\" data-id=\"e61a5b9\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"425\" src=\"https:\/\/www.fluimac.com\/wp-content\/uploads\/2024\/04\/certificazione_07.webp\" class=\"attachment-large size-large wp-image-8396\" alt=\"\" \/>\t\t\t\t\t\t\t\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u00abPriorit\u00e9 \u00e0 la pompe\u00bb: Que signifie-t-il, comment le calcule-t-on et quelles sont ses applications pratiques ? 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