{"id":890,"date":"2026-09-04T10:09:40","date_gmt":"2026-09-04T10:09:40","guid":{"rendered":"https:\/\/nmcoupling.net\/applications\/water-pump\/"},"modified":"2026-09-04T10:09:40","modified_gmt":"2026-09-04T10:09:40","slug":"water-pump","status":"publish","type":"page","link":"https:\/\/nmcoupling.net\/it\/applications\/water-pump\/","title":{"rendered":"Water Pump Couplings"},"content":{"rendered":"<section class=\"nmc-page-hero\">\n<h1>Water Pump Couplings<\/h1>\n<p>Motor-to-pump connections depend on motor speed, pump load, shaft diameters, alignment and the service environment around the pump base. A flexible coupling can provide a compliant connection, but it should not be used as a substitute for proper shaft alignment.<\/p>\n<figure class=\"nmc-hero-inline\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-application-pump.webp\" alt=\"Water Pump Couplings application\"><figcaption>Water Pump Couplings application<\/figcaption><\/figure>\n<\/section>\n<h2>Industry Background<\/h2>\n<p>Motor-to-pump connections depend on motor speed, pump load, shaft diameters, alignment and the service environment around the pump base. A flexible coupling can provide a compliant connection, but it should not be used as a substitute for proper shaft alignment.<\/p>\n<h2>Main Challenges<\/h2>\n<p>Shaft alignment, continuous duty, moisture exposure and maintenance access should be reviewed together.<\/p>\n<ul>\n<li>Torque and transient load<\/li>\n<li>Driver and driven shaft dimensions<\/li>\n<li>Running speed and cycle pattern<\/li>\n<li>Alignment condition and bearing reaction<\/li>\n<li>Temperature, contamination and maintenance access<\/li>\n<\/ul>\n<h2>Our Solution Approach<\/h2>\n<p>Use the NM series as a reference when its bore, torque, speed and installation envelope fit the machine requirements. The first pass checks operating torque or motor power and speed, both shaft sizes, the duty cycle and environment. If the application needs behavior not supported by a standard elastomeric jaw arrangement, review another coupling family rather than forcing an NM selection.<\/p>\n<figure class=\"nmc-content-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings-2.webp\" alt=\"NM flexible jaw coupling series\" loading=\"lazy\"><figcaption>NM flexible jaw coupling series<\/figcaption><\/figure>\n<h2>Key Performance Requirements<\/h2>\n<div class=\"nmc-table-scroll\">\n<table class=\"nmc-spec-table\">\n<thead>\n<tr>\n<th>Input<\/th>\n<th>Why It Matters<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Torque \/ motor power<\/td>\n<td>Sets the required coupling capacity after service margin.<\/td>\n<\/tr>\n<tr>\n<td>Speed<\/td>\n<td>Must stay within the approved limit for the selected size.<\/td>\n<\/tr>\n<tr>\n<td>Shaft diameters<\/td>\n<td>Determines whether the selected hub can be safely machined.<\/td>\n<\/tr>\n<tr>\n<td>Duty and environment<\/td>\n<td>Affects element, service margin, inspection and maintenance decisions.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Recommended NM Models<\/h2>\n<div class=\"nmc-product-grid\"><article class=\"nmc-product-card\" data-title=\"nm 50 flexible jaw coupling\" data-rpm=\"12500\" data-boremax=\"19\" data-torque=\"1.3\"><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-50-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings.webp\" alt=\"Illustrazione della serie di giunti a ganasce flessibili NM 50\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-50-coupling\/\">Giunto flessibile a ganasce NM 50<\/a><\/h3><div class=\"nmc-spec-chips\"><span>Foro 7-19 mm<\/span><span>Massimo 12500 giri\/minuto<\/span><span>Normale 1,3 Kg*m<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-50-coupling\/\">Visualizza i dettagli<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 67 flexible jaw coupling\" data-rpm=\"10000\" data-boremax=\"28\" data-torque=\"2.2\"><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-67-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings-2.webp\" alt=\"Illustrazione della serie di giunti a ganasce flessibili NM 67\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-67-coupling\/\">Giunto flessibile a ganasce NM 67<\/a><\/h3><div class=\"nmc-spec-chips\"><span>Foro 8-28 mm<\/span><span>Massimo 10000 giri\/minuto<\/span><span>Normale 2,2 Kg*m<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-67-coupling\/\">Visualizza i dettagli<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 82 flexible jaw coupling\" data-rpm=\"8000\" data-boremax=\"32\" data-torque=\"5.0\"><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-82-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-coupling.webp\" alt=\"Illustrazione della serie di giunti a ganasce flessibili NM 82\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-82-coupling\/\">Giunto flessibile a ganasce NM 82<\/a><\/h3><div class=\"nmc-spec-chips\"><span>Foro 10-32 mm<\/span><span>Massimo 8000 giri\/minuto<\/span><span>Normale 5,0 Kg*m<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-82-coupling\/\">Visualizza i dettagli<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 97 flexible jaw coupling\" data-rpm=\"7000\" data-boremax=\"42\" data-torque=\"10.5\"><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-97-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings.webp\" alt=\"Illustrazione della serie di giunti a ganasce flessibili NM 97\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-97-coupling\/\">Giunto flessibile a ganasce NM 97<\/a><\/h3><div class=\"nmc-spec-chips\"><span>Foro 10-42 mm<\/span><span>Massimo 7000 giri\/minuto<\/span><span>Normale 10,5 Kg*m<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-97-coupling\/\">Visualizza i dettagli<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 112 flexible jaw coupling\" data-rpm=\"6000\" data-boremax=\"48\" data-torque=\"16.7\"><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-112-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-Couplings-2.webp\" alt=\"Illustrazione della serie di giunti a ganasce flessibili NM 112\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-112-coupling\/\">Giunto flessibile a ganasce NM 112<\/a><\/h3><div class=\"nmc-spec-chips\"><span>Foro 14-48 mm<\/span><span>Massimo 6000 giri\/minuto<\/span><span>Normale 16,7 Kg*m<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-112-coupling\/\">Visualizza i dettagli<\/a><\/div><\/article><article class=\"nmc-product-card\" data-title=\"nm 128 flexible jaw coupling\" data-rpm=\"5000\" data-boremax=\"55\" data-torque=\"26.7\"><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-128-coupling\/\" class=\"nmc-card-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-NM-coupling.webp\" alt=\"Illustrazione della serie di giunti a ganasce flessibili NM 128\" loading=\"lazy\"><\/a><div class=\"nmc-card-body\"><h3><a href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-128-coupling\/\">Giunto flessibile a ganasce NM 128<\/a><\/h3><div class=\"nmc-spec-chips\"><span>Alesaggio 18-55 mm<\/span><span>Massimo 5000 giri\/minuto<\/span><span>Normale 26,7 Kg*m<\/span><\/div><a class=\"nmc-text-link\" href=\"https:\/\/nmcoupling.net\/it\/prodotto\/nm-128-coupling\/\">Visualizza i dettagli<\/a><\/div><\/article><\/div>\n<h2>Installation And Maintenance Tips<\/h2>\n<p>Keep shafts clean and burr-free, machine the bores and keyways to the approved drawing, align the shafts before fitting the flexible element, verify the final hub spacing, and inspect the element during planned maintenance. Investigate unusual heat, noise, dust generation or repeated element damage rather than simply replacing the wear component.<\/p>\n<figure class=\"nmc-content-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-install.webp\" alt=\"NM coupling installation sequence\" loading=\"lazy\"><figcaption>NM coupling installation sequence<\/figcaption><\/figure>\n<h2>Application Scene<\/h2>\n<div class=\"nmc-image-strip\">\n<figure class=\"nmc-strip-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-application-pump.webp\" alt=\"Water Pump Couplings scene\" loading=\"lazy\"><figcaption>Water Pump Couplings scene<\/figcaption><\/figure>\n<figure class=\"nmc-strip-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-structure.webp\" alt=\"Coupling structure\" loading=\"lazy\"><figcaption>Coupling structure<\/figcaption><\/figure>\n<figure class=\"nmc-strip-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-sizes.webp\" alt=\"Dimension reference\" loading=\"lazy\"><figcaption>Dimension reference<\/figcaption><\/figure>\n<figure class=\"nmc-strip-img\"><img decoding=\"async\" src=\"https:\/\/nmcoupling.net\/wp-content\/uploads\/2026\/09\/1-nm-coupling-factory-3.webp\" alt=\"Machining operation\" loading=\"lazy\"><figcaption>Machining operation<\/figcaption><\/figure>\n<\/div>\n<h2>RFQ Inputs<\/h2>\n<p>Motor power, speed, motor shaft, pump shaft, operating duty, fluid\/environment and guard space.<\/p>\n<p>\ud83d\udca1 Promemoria rapido sull'ordine: i componenti standard hanno un MOQ di base. Gli articoli di grandi dimensioni e di alto valore sono calcolati in base al valore totale dell'ordine. Campioni da 1 a 5 pezzi disponibili per i nuovi clienti al prezzo del campione. \u00c8 possibile combinare diversi modelli per raggiungere un valore di 1.500 USD. Le lavorazioni speciali sono limitate dalla dimensione del lotto di produzione. Gli ordini da 1 a 2 pezzi hanno un costo maggiore. Progetti speciali sono benvenuti per una valutazione. Per un preventivo efficiente, si prega di indicare nella propria e-mail: modello del prodotto, settore, applicazione e specifiche principali.<\/p>","protected":false},"excerpt":{"rendered":"<p>Water Pump Couplings Motor-to-pump connections depend on motor speed, pump load, shaft diameters, alignment and the service environment around the pump base. A flexible coupling can provide a compliant connection, but it should not be used as a substitute for proper shaft alignment. Water Pump Couplings application Industry Background Motor-to-pump connections depend on motor speed, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":888,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-890","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/pages\/890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/comments?post=890"}],"version-history":[{"count":1,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/pages\/890\/revisions"}],"predecessor-version":[{"id":912,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/pages\/890\/revisions\/912"}],"up":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/pages\/888"}],"wp:attachment":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/media?parent=890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}