{"id":4789,"date":"2026-04-13T08:00:42","date_gmt":"2026-04-13T06:00:42","guid":{"rendered":"https:\/\/www.fluidglobalsolutions.com\/?p=4789"},"modified":"2026-04-13T08:43:28","modified_gmt":"2026-04-13T06:43:28","slug":"single-stage-vs-multistage-centrifugal-pumps","status":"publish","type":"post","link":"https:\/\/www.fluidglobalsolutions.com\/en\/single-stage-vs-multistage-centrifugal-pumps\/","title":{"rendered":"SINGLE STAGE VS MULTISTAGE CENTRIFUGAL PUMPS"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h3>When and why each configurations is used in practice<\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><em><div id=\"attachment_4788\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4788\" src=\"https:\/\/www.fluidglobalsolutions.com\/wp-content\/uploads\/2026\/04\/immagine-blog-post-3-300x200.png\" width=\"300\" height=\"200\" alt=\"Spot the differences\" class=\"wp-image-4769 size-medium\" style=\"display: block; margin-left: auto; margin-right: auto;\" \/><p id=\"caption-attachment-4788\" class=\"wp-caption-text\"><\/em><em>Spot the differences<\/p><\/div><\/em><\/h2>\n<p><em><\/em><\/p>\n<p><em><\/em><\/p>\n<p><strong><em style=\"font-size: 16px;\">Spot the differences between these two centrifugal pumps<\/em><\/strong><em><\/em><\/p>\n<p>They&#8217;re not the same, are they?<br \/>It doesn&#8217;t take an expert eye to see that the difference is the pump&#8217;s configuration.<\/p>\n<p>The most evident difference is the number of impellers used, which &#8211; in technical terms &#8211; is referred to as &#8220;the number of stages&#8221;.<\/p>\n<p>A single-stage pump (image on the left) is equipped with one impeller that rotates on a shaft inside the pump casing.<\/p>\n<p>A multi-stage pump (image on the right) contains multiple impellers (or stages) arranged in series with a single casing. Each impeller adds energy to the fluid, allowing the pump to achieve higher pressures than a single-stage pump.<\/p>\n<p><strong>So, when and why is each configuration used?<\/strong><\/p>\n<p>Let&#8217;s clarify. The number of impellers directly affects the head, making one configuration more or less suitable for a given application.<\/p>\n<p>Single-stage pumps are typically used in applications where moderate head (i.e. not particularly high pressure) is required, along with relatively high flow rates, such as water supply systems, industrial processes for boosting and liquid transfer, ventilation, air conditioning, heating and agricultural irrigation.<\/p>\n<p>Multistage pumps, on the other hand, are used when higher pressures are required, while maintaining a constant or variable flow rate, such as in water treatment systems, industrial processes, and heating and cooling applications.<\/p>\n<p>In real-world applications, the choice between single-stage and multi-stage centrifugal pumps is rarely about the pump itself. It is rather about understanding the system in which it operates.<\/p>\n<p>The flow rate, pressure, layout constraints, and operating conditions all play a role in defining the most suitable configuration.<\/p>\n<p>While single-stage pumps offer simplicity, reliability and ease of maintenance, multistage solutions become essential when higher pressures are required.<\/p>\n<p>EThere are also significant differences between models, both single-stage and multistage, related to performance, construction materials and the specific configurations adopted by manufactures.<\/p>\n<p>In the next blog post, we&#8217;ll be focused on another key factor in centrifugal pump performance: material selection and its impact on durability, maintenance and long-term reliability.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.fluidglobalsolutions.com\/wp-content\/uploads\/2026\/04\/FOOTER-BANNER-1.png&#8221; alt=&#8221;More than centrifugal pumps&#8221; title_text=&#8221;More than centrifugal pumps&#8221; url=&#8221;https:\/\/www.fluidglobalsolutions.com\/en\/products\/&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Single stage and multistage centrifugal pumps: differences, applications and selection criteria for marine and Industrial systems<\/p>\n","protected":false},"author":4,"featured_media":4762,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<h2>Quando e perch\u00e9 viene utilizzata ciascuna configurazione<\/h2><p><em>Trova le differenze tra queste due pompe centrifughe.<\/em><\/p><p>Non sono uguali, vero?<br \/>Non serve un occhio esperto per capire che ci\u00f2 che cambia \u00e8 la configurazione della pompa.<\/p><p>La differenza evidente \u00e8 il numero di giranti utilizzate, che, in gergo tecnico, si chiama numero di stadi.<\/p><p>Una pompa monostadio (foto a sinistra) \u00e8 dotata di una singola girante che ruota su un albero all\u2019interno di un corpo pompa<\/p><p>Una pompa multistadio (foto a destra), invece, \u00e8 una pompa che contiene pi\u00f9 giranti (o stadi) disposte in serie all\u2019interno di un unico corpo. Ogni girante aggiunge energia al fluido, consentendo alla pompa di raggiungere pressioni pi\u00f9 elevate rispetto a una pompa monostadio.<\/p><p><strong>Ma quindi: quando e perch\u00e9 si utilizza ciascuna configurazione?<\/strong><\/p><p>Facciamo chiarezza. Il numero di stadi influisce direttamente sulla prevalenza, rendendo una configurazione pi\u00f9 o meno adatta in base all\u2019applicazione.<\/p><p>Le pompe monostadio trovano impiego in contesti dove sono richiese prevalenze moderate (cio\u00e8 pressioni non elevatissimi), ma anche portate importanti, come nei sistemi di approvvigionamento idrico, nei processi industriali per l\u2019aumento di pressione e il trasferimento di liquidi, la ventilazione, il condizionamento, il riscaldamento e l\u2019irrigazione agricola.<\/p><p>Le pompe multistadio, invece, vengono impiegate quando sono richieste pressioni pi\u00f9 elevate, mantenendo una portata costante o variabile, come nei sistemi di trattamento delle acque, nei processi industriali e negli impianti di riscaldamento e raffreddamento.<\/p><p>Nelle applicazioni reali, la scelta tra pompe centrifughe monostadio e multistadio raramente riguarda solo la pompa in s\u00e9. Riguarda piuttosto la comprensione del sistema in cui opera.<\/p><p>La portata, la pressione, i vincoli di layout e le condizioni operative giocano tutti un ruolo nella definizione della configurazione pi\u00f9 adatta.<\/p><p>Se le pompe monostadio offrono semplicit\u00e0, affidabilit\u00e0 e facilit\u00e0 di manutenzione, le soluzioni multistadio diventano indispensabili quando sono richieste pressioni pi\u00f9 elevate.<\/p><p>Esistono poi differenze significative tra i diversi modelli, sia monostadio che multistadio, legate alle prestazioni, ai materiali costruttivi e alle specifiche configurazioni adottate dai produttori.<\/p><p>Nel prossimo articolo ci concentreremo su un altro fattore chiave nelle prestazioni delle pompe centrifughe: la scelta dei materiali e il loro impatto su durata, manutenzione e affidabilit\u00e0 nel tempo.<\/p>","_et_gb_content_width":"","footnotes":""},"categories":[22,24],"tags":[51,52],"class_list":["post-4789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-news-en","tag-blogpost-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SINGLE STAGE VS MULTISTAGE CENTRIFUGAL PUMPS - Fluid Global Solutions<\/title>\n<meta name=\"description\" content=\"Single-Stage and Multistage Centrifugal Pumps: Differences, Applications and Selection Criteria for Marine and Industrial Systems\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fluidglobalsolutions.com\/en\/single-stage-vs-multistage-centrifugal-pumps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" 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