{"id":16004,"date":"2018-01-09T00:00:00","date_gmt":"2018-01-09T00:00:00","guid":{"rendered":"https:\/\/www.calpeda.com\/2023\/09\/27\/pompe-sommergibili\/"},"modified":"2023-10-06T12:46:41","modified_gmt":"2023-10-06T12:46:41","slug":"pompe-sommergibili","status":"publish","type":"post","link":"https:\/\/www.calpeda.com\/it\/2018\/01\/09\/pompe-sommergibili\/","title":{"rendered":"Pompe sommergibili"},"content":{"rendered":"<p>Le <a href=\"http:\/\/it.calpeda.com\/prodotti\/tipologie\/pompe-sommergibili-e-drenaggio\">pompe sommergibili<\/a> sono pompe centrifughe, tipicamente ad asse verticale, che possono funzionare immerse nel liquido da pompare.<\/p>\n<p>Motore e pompa sono realizzati in un unico blocco nel quale il motore, dovendo funzionare immerso nel liquido da pompare, \u00e8 costruito per essere perfettamente impermeabile.<\/p>\n<p>\u00c8 necessario distinguere una pompa sommergibile da una pompa sommersa che \u00e8 progettata per essere installata a grandi profondit\u00e0. La pompa sommersa, comunemente detta anche pompa da pozzo, \u00e8 infatti costruita per lavorare costantemente sotto battente (installata sotto al livello minimo del pozzo) e tipicamente garantisce una elevata prevalenza di mandata (necessaria per sollevare l\u2019acqua dalle elevate profondit\u00e0 dei pozzi) ed \u00e8 pertanto multistadio.<\/p>\n<p>Una pompa sommergibile, invece, pu\u00f2 funzionare anche solo parzialmente immersa ed \u00e8 progettata tipicamente per lo svuotamento di locali allagati o vasche (in cui possono essere presenti sia acque pulite che acque sporche), per il prelievo d\u2019acqua da stagni, corsi d\u2019acqua, pozzetti di raccolta dell\u2019acqua piovana e per irrigazione.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/blog.calpeda.it\/wp-content\/uploads\/2018\/01\/image_GQV_01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3622 size-full\" src=\"http:\/\/blog.calpeda.it\/wp-content\/uploads\/2018\/01\/image_GQV_01.jpg\" alt=\"image_GQV_01\" width=\"448\" height=\"586\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h4>[accordion]\nIl funzionamento<br \/>\n[\/accordion]<\/h4>\n<p>&nbsp;<\/p>\n<p>Il funzionamento \u00e8 quello di una pompa centrifuga. Quando all&#8217;interno del corpo-pompa entra il liquido, la girante (alimentata dal motore) proietta il fluido alla periferia del corpo-pompa in virt\u00f9 della forza centrifuga prodotta dalla velocit\u00e0 della girante: il liquido in tal modo immagazzina un&#8217;energia (potenziale) che verr\u00e0 trasformata in portata e prevalenza (o energia cinetica).<\/p>\n<p>Le prevalenze tipiche di queste macchine sono basse in quanto dovendo funzionare principalmente per lo svuotamento il dislivello e le perdite di carico da vincere sono contenuti. I rendimenti sono inferiori a quelli tipici delle pompe centrifughe in quanto per garantire la possibilit\u00e0 di lavorare anche con acque sporche (in cui possono essere presenti anche solidi di notevoli dimensioni) i giochi tra girante e voluta possono presentare anche valori molto elevati.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/blog.calpeda.it\/wp-content\/uploads\/2018\/01\/girante-aperta_ita.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3625\" src=\"http:\/\/blog.calpeda.it\/wp-content\/uploads\/2018\/01\/girante-aperta_ita-300x225.jpg\" alt=\"girante aperta_ita\" width=\"500\" height=\"375\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/blog.calpeda.it\/wp-content\/uploads\/2018\/01\/girante-a-vortice_ita.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3626\" src=\"http:\/\/blog.calpeda.it\/wp-content\/uploads\/2018\/01\/girante-a-vortice_ita-300x225.jpg\" alt=\"girante a vortice_ita\" width=\"500\" height=\"375\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Per la natura delle applicazioni usualmente la pompa sommergibile, viene azionata tramite un galleggiante che pu\u00f2 essere incorporato nella pompa stessa oppure pu\u00f2 essere collegato alla pompa tramite il quadro di comando.<\/p>\n<p>&nbsp;<\/p>\n<h4>[accordion]\nParticolari costruttivi<br \/>\n[\/accordion]<\/h4>\n<ul>\n<li>girante arretrata o con passaggi maggiorati per il pompaggio di liquidi con elementi solidi<\/li>\n<\/ul>\n<ul>\n<li>doppia tenuta sull\u2019albero, con camera d\u2019olio interposta. Questa costruzione consente di garantire la massima affidabilit\u00e0 anche in presenza di liquidi \u201ccarichi\u201d e particolarmente aggressivi e garantisce una protezione contro il funzionamento a secco.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le pompe sommergibili sono pompe centrifughe, tipicamente ad asse verticale, che possono funzionare immerse nel liquido da pompare. Motore e pompa sono realizzati in un unico blocco nel quale il&#8230;<\/p>\n","protected":false},"author":1,"featured_media":15753,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1057],"tags":[1021,790],"class_list":{"0":"post-16004","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news","8":"tag-calpeda-it","9":"tag-pompe-sommergibili"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pompe sommergibili - Calpeda<\/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:\/\/www.calpeda.com\/it\/2018\/01\/09\/pompe-sommergibili\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pompe sommergibili - Calpeda\" \/>\n<meta property=\"og:description\" content=\"Le pompe sommergibili sono pompe centrifughe, tipicamente ad asse verticale, che possono funzionare immerse nel liquido da pompare. 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