{"id":1232,"date":"2023-11-17T14:39:27","date_gmt":"2023-11-17T14:39:27","guid":{"rendered":"http:\/\/www.IpsenHarold.com\/?p=1232"},"modified":"2024-12-03T17:09:31","modified_gmt":"2024-12-03T17:09:31","slug":"declining-pump-performance-10-common-scenarios-explained","status":"publish","type":"knowledge-center","link":"https:\/\/ipsenglobal.com\/fr\/knowledge-center\/declining-pump-performance-10-common-scenarios-explained\/","title":{"rendered":"Baisse de performance de la pompe ? 10 sc\u00e9narios courants expliqu\u00e9s"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398-1024x683.jpg\" alt=\"Diffusion pump on an Ipsen TurboTreater vacuum furnace\" class=\"wp-image-6708\" srcset=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398-1024x683.jpg 1024w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398-300x200.jpg 300w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398-768x512.jpg 768w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398-1536x1024.jpg 1536w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398-18x12.jpg 18w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2024\/01\/4L8A3398.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Effectuer la maintenance - qu'il s'agisse de remplacer des pi\u00e8ces ou de<a href=\"https:\/\/youtu.be\/I1g4YETCpt4?si=iifg_afMJ8d8hZVa\"> changer l'huile de votre pompe<\/a>-a pour but de prolonger la dur\u00e9e de vie de votre \u00e9quipement en veillant \u00e0 ce que tout fonctionne correctement. Lorsque vous travaillez sur des fours \u00e0 vide, il se peut que vous remarquiez une diminution des performances de la pompe apr\u00e8s l'assemblage ou certaines t\u00e2ches de maintenance. Si c'est le cas, vous trouverez ci-dessous les causes probables de dix sc\u00e9narios courants.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #1<\/span>: L'efficacit\u00e9 du blank-off de la pompe est r\u00e9duite et ne permet plus d'atteindre les 5-25 microns souhait\u00e9s.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ?<\/strong> Il peut y avoir un manque de capacit\u00e9 d'\u00e9tanch\u00e9it\u00e9, souvent caus\u00e9 par l'inversion de l'assemblage du piston et de la glissi\u00e8re lors du remontage de la pompe pendant ou apr\u00e8s l'entretien.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #2<\/span>: La pompe fonctionne \u00e0 chaud, ce qui peut entra\u00eener un grippage et une r\u00e9duction de l'efficacit\u00e9 du pompage.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ?<\/strong> Les causes probables sont un faible niveau d'huile, un d\u00e9bit d'eau mal r\u00e9gl\u00e9 et\/ou une absence de fermeture des vannes de lestage de gaz pendant le cycle de traitement.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #3<\/span>: La pompe s'est gripp\u00e9e par manque d'huile.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ? <\/strong>L'\u00e9lectrovanne n'a pas \u00e9t\u00e9 install\u00e9e correctement pendant la maintenance, et\/ou l'\u00e9lectrovanne de tension correcte n'a pas \u00e9t\u00e9 utilis\u00e9e.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #4<\/span>: La bobine du sol\u00e9no\u00efde a br\u00fbl\u00e9 et l'huile ne circule plus. Une d\u00e9faillance de la pompe est \u00e9galement possible.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ?<\/strong> La bobine du sol\u00e9no\u00efde n'a pas \u00e9t\u00e9 install\u00e9e correctement sur la tige pendant que la pompe fonctionnait.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #5<\/span>: La pompe vibre de mani\u00e8re excessive (pour les grosses pompes).<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ?<\/strong> Les excentriques ont \u00e9t\u00e9 invers\u00e9s par rapport \u00e0 l'orientation de base l\u00e9g\u00e8re et lourde, ce qui entra\u00eene un d\u00e9calage de la pompe.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #6<\/span>: La pompe n'est pas efficace, elle vibre et peut se gripper de mani\u00e8re catastrophique.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ?<\/strong> Les barres d'articulation standard ont \u00e9t\u00e9 remplac\u00e9es de mani\u00e8re incorrecte dans les pompes de grand diam\u00e8tre.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #7<\/span>: Il y a des vibrations excessives et des risques de perte de composants.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ? <\/strong>Les poulies et les volants n'ont pas \u00e9t\u00e9 correctement serr\u00e9s sur l'arbre \u00e0 l'aide de composants \u00e0 verrouillage conique, et\/ou l'alignement entre les poulies n'est pas correct.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #8<\/span>: Une crise se produit imm\u00e9diatement au d\u00e9marrage de la pompe.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ? <\/strong>Les pi\u00e8ces n'ont pas \u00e9t\u00e9 lubrifi\u00e9es lors du remontage et le r\u00e9servoir n'a pas \u00e9t\u00e9 rempli d'huile.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #9<\/span>: La pompe ne fonctionnera pas correctement en cas de charge thermique \u00e9lev\u00e9e.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ? <\/strong>Apr\u00e8s l'entretien, les courroies trap\u00e9zo\u00efdales n'ont pas \u00e9t\u00e9 correctement serr\u00e9es sur la pompe avant le d\u00e9marrage.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Sc\u00e9nario #10<\/span>: Le couvercle lat\u00e9ral n'est pas \u00e9tanche et de l'huile s'\u00e9coule dans la zone d'\u00e9tanch\u00e9it\u00e9.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pourquoi ?<\/strong> Le couvercle lat\u00e9ral n'a pas \u00e9t\u00e9 serr\u00e9 ou scell\u00e9 correctement sur le r\u00e9servoir, la vitre du site d'huile n'a pas \u00e9t\u00e9 install\u00e9e correctement et\/ou la pompe a \u00e9t\u00e9 charg\u00e9e d'huile avant que les nouveaux produits d'\u00e9tanch\u00e9it\u00e9 ne soient secs. Il est important de noter que ce sc\u00e9nario peut parfois \u00eatre interpr\u00e9t\u00e9 \u00e0 tort comme une fuite de joint.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>NOTE : <\/strong>Les causes des sc\u00e9narios ci-dessus ne sont pas exhaustives et d\u00e9pendent de l'entretien et de la maintenance sp\u00e9cifiques de votre syst\u00e8me de pompage. Si vous avez besoin d'une assistance technique suppl\u00e9mentaire, veuillez appeler <a href=\"https:\/\/ipsenglobal.com\/fr\/ipsen-customer-service-global-contact-information\/\">Service client\u00e8le d'Ipsen<\/a>\u00a0\u00e0 l'adresse <strong>1-844-Go-Ipsen<\/strong>.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Vous avez des questions ?<\/h3>\n\n\n\n    <section id=\"button-block_c8f07bb967c764de794c801ea65f07bf\"\n        class=\"button-custom-block d-block d-lg-inline-block mx-auto me-lg-5 mb-4\">\n        <a class=\"btn btn-outline-secondary\" href=\"https:\/\/ipsenglobal.com\/fr\/connect-with-an-expert\/\" target=\"_self\">\n            Demandez \u00e0 un expert        <\/a>\n    <\/section>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section id=\"latest-resources-block_b386b668614b409be812f97c5c8b1c2b\" class=\"latest-resources 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class=\"sr-only\">Lire la suite<\/span>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/article>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\">\n\t\t\t\t\t\t\t\t<article class=\"post-1745 knowledge-center type-knowledge-center status-publish has-post-thumbnail hentry category-ask-the-expert category-preventive-maintenance category-pumping-systems tag-backstreaming tag-brazing tag-diffusion-pump tag-vacuum-furnace\" id=\"post-1745\">\n    <a href=\"https:\/\/ipsenglobal.com\/fr\/knowledge-center\/diffusion-pumps-backstreaming\/\" class=\"shadow ipsen_card p-3\">\n        <div class=\"category-heading\">Demandez \u00e0 l'expert<\/div>\n        <h6 class=\"ipsen_card-heading pt-2 pb-6\">Demandez \u00e0 l'expert : Comment emp\u00eacher le reflux de ma pompe \u00e0 diffusion ?<\/h6>\n\t\t<div class=\"read-time-arrow-container d-flex justify-content-between align-items-center\">\n\t\t\t<div class=\"read-time\">\n                <span class=\"minutes-read\">03<\/span> <span class=\"minutes-text\">Mins<\/span>\t\t\t<\/div>\n            <div class=\"btn p-0\">\n                <span class=\"sr-only\">Lire la suite<\/span>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/article>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\">\n\t\t\t\t\t\t\t\t<article class=\"post-3106 knowledge-center type-knowledge-center status-publish has-post-thumbnail hentry category-blog-post category-preventive-maintenance tag-shutdown tag-vacuum-furnace tag-water-system\" id=\"post-3106\">\n    <a href=\"https:\/\/ipsenglobal.com\/fr\/knowledge-center\/winterize-the-water-system\/\" class=\"shadow ipsen_card p-3\">\n        <div class=\"category-heading\">Blog Post<\/div>\n        <h6 class=\"ipsen_card-heading pt-2 pb-6\">Pr\u00e9parer votre r\u00e9seau de distribution d'eau aux rigueurs de l'hiver<\/h6>\n\t\t<div class=\"read-time-arrow-container d-flex justify-content-between align-items-center\">\n\t\t\t<div class=\"read-time\">\n                <span class=\"minutes-read\">02<\/span> <span class=\"minutes-text\">Mins<\/span>\t\t\t<\/div>\n            <div class=\"btn p-0\">\n                <span class=\"sr-only\">Lire la suite<\/span>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/article>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-footer\">\n\t\t\t\t\t\t<div class=\"swiper-button-nav lr-button-prev\"><i class=\"fa fa-arrow-left\"><\/i><\/div>\n\t\t\t\t\t\t<div class=\"swiper-button-nav lr-button-next\"><i class=\"fa fa-arrow-right\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>L'entretien, qu'il s'agisse de remplacer des pi\u00e8ces ou de changer l'huile de votre pompe, a pour but de prolonger la dur\u00e9e de vie de votre \u00e9quipement en veillant \u00e0 ce que tout fonctionne correctement. Lorsque vous travaillez sur des fours \u00e0 vide, vous pouvez<\/p>","protected":false},"author":7,"featured_media":2979,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_tec_requires_first_save":true,"_searchwp_excluded":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_tribe_blocks_recurrence_rules":"","_tribe_blocks_recurrence_description":"","_tribe_blocks_recurrence_exclusions":"","_ecp_custom_2":"","footnotes":""},"categories":[558,612,654],"tags":[472,557],"class_list":["post-1232","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","category-blog-post","category-preventive-maintenance","category-pumping-systems","tag-diffusion-pump","tag-vacuum-pumps"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Declining Pump Performance? 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