{"id":1550,"date":"2018-06-18T09:00:52","date_gmt":"2018-06-18T09:00:52","guid":{"rendered":"https:\/\/tecnologiaparalaindustria.com\/?p=1550"},"modified":"2025-07-22T12:02:53","modified_gmt":"2025-07-22T12:02:53","slug":"check-list-para-el-mantenimiento-preventivo-de-bombas-centrifugas-2","status":"publish","type":"post","link":"https:\/\/tecnologiaparalaindustria.com\/en\/check-list-para-el-mantenimiento-preventivo-de-bombas-centrifugas-2\/","title":{"rendered":"Check list for preventive maintenance of centrifugal pumps"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Contents\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/tecnologiaparalaindustria.com\/en\/check-list-para-el-mantenimiento-preventivo-de-bombas-centrifugas-2\/#Check_list_para_el_Mantenimiento_Preventivo_de_Bombas_Centrifugas\" >Check list for Preventive Maintenance of Centrifugal Pumps<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/tecnologiaparalaindustria.com\/en\/check-list-para-el-mantenimiento-preventivo-de-bombas-centrifugas-2\/#Los_datos_a_verificar_para_estructurar_una_evaluacion_comparativa_son_los_siguientes\" >The data to be verified in order to structure a comparative assessment are as follows:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/tecnologiaparalaindustria.com\/en\/check-list-para-el-mantenimiento-preventivo-de-bombas-centrifugas-2\/#Medidas_basicas_a_considerar_para_mejorar_la_eficiencia_antes_de_realizar_el_check_list_para_el_mantenimiento_preventivo_de_bombas_centrifugas\" >Basic measures to be considered to improve efficiency before carrying out the check list for preventive maintenance of centrifugal pumps:<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><span style=\"font-weight: 400;\">Carry out the checklist for preventive maintenance of<\/span><b> centrifugal pumps<\/b><span style=\"font-weight: 400;\">The main reason for this is that well-maintained equipment requires fewer repairs and represents lower costs for the company.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">Most of the <\/span><b>pump maintenance activities<\/b><span style=\"font-weight: 400;\"> focus on the verification of gaskets and mechanical seals for leakage, as well as the validation and <\/span><b>correct functioning of the engine<\/b><span style=\"font-weight: 400;\">However, it is necessary to consider the performance, reliability and efficiency over the lifetime period, which is affected by the environment to which it is exposed.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1552 size-full\" title=\"Check list for Preventive Maintenance of Centrifugal Pumps\" src=\"\/\/tecnologiavao.wpengine.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas.png\" alt=\"Check list for Preventive Maintenance of Centrifugal Pumps\" width=\"1200\" height=\"628\" srcset=\"https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-18x9.png 18w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-150x79.png 150w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-300x157.png 300w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-390x205.png 390w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-768x402.png 768w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-1024x536.png 1024w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas.png 1200w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">In this article, we will focus on the idea of what activities to consider in a <\/span><b><i>check list for preventive maintenance of centrifugal pumps<\/i><\/b><span style=\"font-weight: 400;\">. Establishing in the first instance the efficiency of the pump, as improving efficiency will reduce maintenance and operating costs.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">The efficiency of a machine indicates its ability to convert one form of energy into another. If one unit of energy is input to a machine and its output is half a unit, the efficiency of the machine is 50%.<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">The total efficiency of a centrifugal pump is the product of mechanical, volumetric and hydraulic efficiencies: <\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Mechanical efficiency<\/b><span style=\"font-weight: 400;\"> accounts for losses in the bearing frame, stuffing box and mechanical seals. <\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Volumetric efficiency<\/b><span style=\"font-weight: 400;\"> includes losses due to leakage or wear of rings, bores and vane clearances (in case of semi-open impellers). <\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Hydraulic efficiency<\/b><span style=\"font-weight: 400;\"> includes liquid friction and other losses in the volute and impeller.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">While the <\/span><b>mechanical and volumetric losses<\/b><span style=\"font-weight: 400;\"> contribute significantly to the overall efficiency, hydraulic efficiency is the most important factor. Therefore, some basic measures have to be taken into account when <\/span><strong><a href=\"\/\/tecnologiaparalaindustria.com\/en\/sistemas-para-gestionar-el-mantenimiento-preventivo-industrial\/\" target=\"_blank\" rel=\"noopener noreferrer\">managing industrial Preventive Maintenance<\/a><\/strong><span style=\"font-weight: 400;\"> and checklist for preventive maintenance of centrifugal pumps to ensure optimum performance.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Check_list_para_el_Mantenimiento_Preventivo_de_Bombas_Centrifugas\"><\/span><b>Check list for Preventive Maintenance of Centrifugal Pumps<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\"><b>Monitor bearing temperatures<\/b><span style=\"font-weight: 400;\">The lubricant level and vibration. To check the verification the lubricant must be clear and without signs of foaming.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Check any cooling water for effective operation. Manual test differential on coolers, jackets and exchangers, if necessary Disassemble and clean.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The <\/span><b>mechanical seals<\/b><span style=\"font-weight: 400;\"> should not show signs of visible leakage. Some leakage at the gasket is normal, but this should not exceed a rate of approximately 40 to 60 drops per minute.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Observe for vibration in the pump, as excessive vibration may be the result of a change in the pump's <\/span><strong><a href=\"\/\/tecnologiaparalaindustria.com\/en\/impacto-de-los-sistemas-de-alineacion-de-maquinas-rotativas-en-terminos-de-ahorro-y-retorno-de-la-inversion-para-plantas-industriales\/\" target=\"_blank\" rel=\"noopener noreferrer\">pump alignment<\/a><\/strong><span style=\"font-weight: 400;\"> or cavitation resonances between the pump, its base or valves located in the suction and\/or discharge lines.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Daily Check the operability of the heat tracing generated, due to the packaging.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Monitor changes in the pressure level, as a gradual decrease in the developed head pressure of the pump may indicate that the impeller clearance has widened. <\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Up to this point, the check list for the preventive maintenance of centrifugal pumps must be carried out daily.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Monthly check the oil in the bearing reservoirs, add if necessary and ensure that the oil level is at the correct distance from the shaft centre line.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Check the condition of the bearing brackets monthly and clean dirt if necessary. The drain hole must be open.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">On a quarterly basis Check the integrity of the pump base and verify that the fastening bolts are not tightened.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Quarterly for oil-lubricated pumps, change the oil after the first 200 hours of operation for a new pump, and then every three months or 2,000 hours of operation, whichever comes first. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Grease the motor bearings according to the manufacturer's instructions, also on a quarterly basis.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Semi-annually apply a light coat of rust inhibitor to expose machined surfaces to prevent rust and corrosion.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Once a year, the pump performance should be checked and recorded in detail. Performance benchmarks should be established for a new pump during the early stages of a pump's operation, when the installation settings are correct. <\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1553 size-full\" title=\"Check list for Preventive Maintenance of Centrifugal Pumps\" src=\"\/\/tecnologiavao.wpengine.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2.png\" alt=\"Check list for Preventive Maintenance of Centrifugal Pumps\" width=\"1200\" height=\"628\" srcset=\"https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2-18x9.png 18w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2-150x79.png 150w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2-300x157.png 300w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2-390x205.png 390w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2-768x402.png 768w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2-1024x536.png 1024w, https:\/\/tecnologiaparalaindustria.com\/wp-content\/uploads\/2018\/06\/Check-list-para-el-Mantenimiento-Preventivo-de-Bombas-CentrIfugas-2.png 1200w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Los_datos_a_verificar_para_estructurar_una_evaluacion_comparativa_son_los_siguientes\"><\/span><span style=\"font-weight: 400;\">The data to be verified in order to structure a comparative assessment are as follows:<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Head pressure, measured by suction and discharge gauges.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Centrifugal pump flow rate.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Amplifier drainage.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Pump vibration shape.<\/span><\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Medidas_basicas_a_considerar_para_mejorar_la_eficiencia_antes_de_realizar_el_check_list_para_el_mantenimiento_preventivo_de_bombas_centrifugas\"><\/span><b>Basic measures to be considered to improve efficiency before carrying out the check list for preventive maintenance of centrifugal pumps:<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">With these measures, you can control and improve the efficiency of the centrifugal pumps, thus enabling you to start the <\/span><strong><a href=\"\/\/tecnologiaparalaindustria.com\/en\/aumentar-la-eficiencia-de-las-maquinas-con-tres-acciones-para-maximizar-la-capacidad-de-produccion\/\" target=\"_blank\" rel=\"noopener noreferrer\">check list for preventive maintenance of centrifugal pumps<\/a><\/strong><span style=\"font-weight: 400;\">according to the established periods (daily, weekly, quarterly, half-yearly and annually).<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Switch off unnecessary pumps.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Return to normal operation once you notice that the performance has changed.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Reposition the impellers if you notice that the head is higher than necessary. This activity is suggested because medium and large centrifugal pumps generally operate with efficiencies above 75%, and smaller pumps generally fall within the range of 50% to 70%. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Change the speed of a pump for the most efficient combination of power requirements with output. Or install a variable speed drive that will serve the same purpose.<\/span><\/li>\n<\/ol>\n<blockquote><p><span style=\"font-weight: 400;\">The check list for preventive maintenance of centrifugal pumps is applicable to the inspection of any type of pump. Therefore, it is recommended to use online monitoring systems, so that possible failures during operation can be detected and predicted.<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">If you want to know more about the <\/span><strong><a href=\"\/\/tecnologiaparalaindustria.com\/en\/benefits-of-pump-monitoring-systems-for-optimising-their-operation\/\" target=\"_blank\" rel=\"noopener noreferrer\">pump monitoring systems<\/a><\/strong><span style=\"font-weight: 400;\">I invite you to subscribe to our newsletter to learn more about the latest news, failures and technologies to improve and optimise centrifugal pump performance. <\/span><strong><a href=\"\/\/tecnologiaparalaindustria.com\/en\/newsletter\/?utm_source=Newsletter&amp;utm_medium=Cta_web&amp;utm_campaign=Newsletter_cta_web\" target=\"_blank\" rel=\"noopener noreferrer\">Technology newsletter for industry<\/a><\/strong><span style=\"font-weight: 400;\">. Where you will receive newsletters of new articles published on this subject.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Realizar el check list para el mantenimiento preventivo de bombas centr\u00edfugas, es lo que ayudar\u00e1 a mantener su vida \u00fatil o cumplir su ciclo de vida completo, ya que un &hellip;<\/p>","protected":false},"author":2,"featured_media":1555,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[140],"tags":[],"class_list":["type-post","category-mantenimiento-industrial","CTA-mes-automation","CTA-visita-web","cliente-mes-automation","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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