{"id":27026,"date":"2025-11-07T17:47:47","date_gmt":"2025-11-07T09:47:47","guid":{"rendered":"https:\/\/kingdapump.com\/?p=27026"},"modified":"2025-11-28T15:48:34","modified_gmt":"2025-11-28T07:48:34","slug":"bombas-centrifugas-versus-bombas-de-deslocamento-positivo","status":"publish","type":"post","link":"https:\/\/kingdapump.com\/pt\/centrifugal-pumps-vs-positive-displacement-pumps\/","title":{"rendered":"Bombas centr\u00edfugas vs. bombas de deslocamento positivo | Guia de diferen\u00e7as"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"500\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Centrifugal-VS-Positive-Displacement-Pumps.jpg\" alt=\"\" class=\"wp-image-27067\" srcset=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Centrifugal-VS-Positive-Displacement-Pumps.jpg 1000w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Centrifugal-VS-Positive-Displacement-Pumps-300x150.jpg 300w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Centrifugal-VS-Positive-Displacement-Pumps-768x384.jpg 768w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Centrifugal-VS-Positive-Displacement-Pumps-18x9.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:18px\">Ao selecionar bombas, realizar manuten\u00e7\u00e3o de rotina ou aprender sobre bombas, as compara\u00e7\u00f5es s\u00e3o inevit\u00e1veis: bombas centr\u00edfugas versus bombas de deslocamento positivo. Quais s\u00e3o exatamente as diferen\u00e7as? Estas s\u00e3o as mais comuns. <a href=\"https:\/\/kingdapump.com\/pt\/diferentes-tipos-de-bombas-industriais\/\">tipos de bombas<\/a>.&nbsp;<\/p>\n\n\n\n<p style=\"font-size:18px\">Este guia aborda as defini\u00e7\u00f5es, principais compara\u00e7\u00f5es, aplica\u00e7\u00f5es, sele\u00e7\u00e3o e pontos de manuten\u00e7\u00e3o para ambos os tipos de bombas. Aprenda com este guia para descobrir seus segredos.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-difference-between-positive-displacement-pump-and-centrifugal-pump\" style=\"font-size:25px\">Diferen\u00e7a entre bomba de deslocamento positivo e bomba centr\u00edfuga<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:18px\"><a href=\"https:\/\/kingdapump.com\/pt\/o-que-e-uma-bomba-centrifuga\/\">Bombas centr\u00edfugas<\/a> As bombas centr\u00edfugas movimentam l\u00edquidos atrav\u00e9s da rota\u00e7\u00e3o de um impulsor. A rota\u00e7\u00e3o em alta velocidade do impulsor gera for\u00e7a centr\u00edfuga, convertendo a energia cin\u00e9tica em energia de press\u00e3o no l\u00edquido, permitindo que o l\u00edquido sob alta press\u00e3o seja bombeado para fora. As bombas centr\u00edfugas s\u00e3o adequadas para o transporte de \u00e1gua limpa, efluentes industriais contendo s\u00f3lidos ou aplica\u00e7\u00f5es que exigem vaz\u00e3o cont\u00ednua e elevada, como tratamento de \u00e1gua, processamento de lamas e outros processos industriais. <a href=\"https:\/\/kingdapump.com\/pt\/o-que-e-dragagem\/\">dragagem<\/a>.<\/p>\n\n\n\n<p style=\"font-size:18px\">As bombas de deslocamento positivo, por outro lado, utilizam pe\u00e7as m\u00f3veis internas (engrenagens, pist\u00f5es, diafragmas) para comprimir ou expelir o l\u00edquido diretamente por meio de movimento alternativo. Sem a convers\u00e3o de energia do impulsor, as bombas de deslocamento positivo s\u00e3o mais eficientes e adequadas para o transporte de l\u00edquidos de alta viscosidade, que exigem press\u00e3o est\u00e1vel ou vaz\u00f5es precisas, como nas ind\u00fastrias farmac\u00eautica, aliment\u00edcia e petrol\u00edfera.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"854\" height=\"640\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Working-principle-of-centrifugal-pump.gif\" alt=\"Princ\u00edpio de funcionamento da bomba centr\u00edfuga\" class=\"wp-image-27071\"\/><figcaption class=\"wp-element-caption\">Princ\u00edpio de funcionamento da bomba centr\u00edfuga<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" width=\"426\" height=\"320\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Working-principle-of-a-positive-displacement-pump.gif\" alt=\"Princ\u00edpio de funcionamento de uma bomba de deslocamento positivo\" class=\"wp-image-27072\"\/><figcaption class=\"wp-element-caption\">Princ\u00edpio de funcionamento da bomba de deslocamento positivo<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-chart-positive-displacement-pumps-vs-centrifugal-pumps-comparison\" style=\"font-size:25px\">Gr\u00e1fico: Compara\u00e7\u00e3o entre bombas de deslocamento positivo e bombas centr\u00edfugas<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\" style=\"font-size:16px\"><table class=\"has-background has-fixed-layout\" style=\"background:linear-gradient(95deg,rgb(238,238,238) 0%,rgb(169,184,195) 90%)\"><tbody><tr><td><\/td><td><strong>Bombas centr\u00edfugas<\/strong><\/td><td><strong>Bombas de deslocamento positivo<\/strong><\/td><\/tr><tr><td><strong>Tipo de fluido<\/strong><\/td><td>\u00c1gua limpa, lama contendo s\u00f3lidos, viscosidade baixa a m\u00e9dia, l\u00edquido com alta taxa de fluxo<\/td><td>Alta viscosidade, vaz\u00e3o est\u00e1vel, mistura g\u00e1s-l\u00edquido<\/td><\/tr><tr><td><strong>Vaz\u00e3o e press\u00e3o<\/strong><\/td><td>Quanto maior o fluxo, menor a press\u00e3o; elas s\u00e3o inversamente proporcionais.<\/td><td>A vaz\u00e3o e a press\u00e3o s\u00e3o praticamente independentes, e as curvas s\u00e3o paralelas.<\/td><\/tr><tr><td><strong>Viscosidade e teor de s\u00f3lidos<\/strong><\/td><td>Indicado para part\u00edculas s\u00f3lidas de baixa viscosidade e alta abrasividade, com teor de s\u00f3lidos de 30-40%.<\/td><td>Indicado para part\u00edculas s\u00f3lidas finas e macias com alta viscosidade e teor de s\u00f3lidos de 60-80%.<\/td><\/tr><tr><td><strong>Tosquia<\/strong><\/td><td>A alta for\u00e7a de cisalhamento perturba facilmente a estrutura do fluido.<\/td><td>Baixa for\u00e7a de cisalhamento, adequada para pastas biol\u00f3gicas, pastas oleosas, etc.<\/td><\/tr><tr><td><strong>Efici\u00eancia e consumo de energia<\/strong><\/td><td>A efici\u00eancia varia de acordo com as condi\u00e7\u00f5es de opera\u00e7\u00e3o, atingindo seu n\u00edvel mais alto no BEP (Ponto de Melhor Efici\u00eancia), com o menor consumo de energia.<\/td><td>A efici\u00eancia permanece inalterada independentemente das condi\u00e7\u00f5es de opera\u00e7\u00e3o, indicando alta efici\u00eancia e consumo de energia relativamente est\u00e1vel.<\/td><\/tr><tr><td><strong>Manuten\u00e7\u00e3o<\/strong><\/td><td>A manuten\u00e7\u00e3o regular inclui verifica\u00e7\u00f5es di\u00e1rias da vaz\u00e3o, altura manom\u00e9trica, vibra\u00e7\u00e3o e ru\u00eddo.<\/td><td>A manuten\u00e7\u00e3o regular envolve principalmente a verifica\u00e7\u00e3o de quaisquer anormalidades no tr\u00e1fego e na carga.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"460\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Positive-Displacement-Pumps-Vs-Centrifugal-Pumps-Comparison.jpg\" alt=\"Compara\u00e7\u00e3o entre bombas de deslocamento positivo e bombas centr\u00edfugas\" class=\"wp-image-27082\" srcset=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Positive-Displacement-Pumps-Vs-Centrifugal-Pumps-Comparison.jpg 1000w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Positive-Displacement-Pumps-Vs-Centrifugal-Pumps-Comparison-300x138.jpg 300w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Positive-Displacement-Pumps-Vs-Centrifugal-Pumps-Comparison-768x353.jpg 768w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Positive-Displacement-Pumps-Vs-Centrifugal-Pumps-Comparison-18x8.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-points-positive-displacement-pump-vs-centrifugal\" style=\"font-size:25px\">Pontos-chave: Bomba de deslocamento positivo vs. Bomba centr\u00edfuga<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-flow-and-pressure\">Fluxo e press\u00e3o<\/h3>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas centr\u00edfugas: A vaz\u00e3o de uma bomba centr\u00edfuga varia inversamente com a sua altura manom\u00e9trica. Quando a vaz\u00e3o aumenta, a altura manom\u00e9trica diminui, o que significa que a press\u00e3o diminui.<\/p>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas de deslocamento positivo: Em bombas de deslocamento positivo, a vaz\u00e3o \u00e9 constante. De acordo com a f\u00f3rmula da pot\u00eancia no eixo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"426\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-1024x426.png\" alt=\"F\u00f3rmula para pot\u00eancia no eixo de uma bomba de deslocamento positivo escalonada\" class=\"wp-image-27031\" style=\"width:98px;height:auto\" srcset=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-1024x426.png 1024w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-300x125.png 300w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-768x320.png 768w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-1536x640.png 1536w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-2048x853.png 2048w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Formula-for-shaft-power-of-positive-displacement-pump-18x7.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p style=\"font-size:18px\">, A vaz\u00e3o e a press\u00e3o s\u00e3o independentes, mas est\u00e3o diretamente relacionadas \u00e0 pot\u00eancia. \u00c0 medida que a press\u00e3o aumenta, a bomba requer mais pot\u00eancia.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-viscosity-and-solids-content\">Viscosidade e teor de s\u00f3lidos<\/h3>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas centr\u00edfugas: Como mencionado anteriormente, as bombas centr\u00edfugas s\u00e3o acionadas por um <a href=\"https:\/\/kingdapump.com\/pt\/tipos-de-impulsor\/\">impulsor<\/a> para bombear l\u00edquido. Portanto, a viscosidade do l\u00edquido tem um impacto significativo no desempenho da bomba. O aumento da viscosidade exige mais energia para a rota\u00e7\u00e3o do impulsor, levando a uma diminui\u00e7\u00e3o da efici\u00eancia da bomba.<\/p>\n\n\n\n<p style=\"font-size:18px\">No entanto, ao substituir os materiais por outros resistentes ao desgaste, as bombas centr\u00edfugas podem lidar com l\u00edquidos que contenham part\u00edculas s\u00f3lidas duras e altamente abrasivas, incluindo part\u00edculas de grande di\u00e2metro, como as encontradas em rejeitos de minera\u00e7\u00e3o ou dragagem de rios.<\/p>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas de Deslocamento Positivo: Como mencionado anteriormente, as bombas de deslocamento positivo dependem do movimento alternativo de componentes internos para impulsionar o l\u00edquido. Quase toda a energia \u00e9 utilizada para movimentar o l\u00edquido, sem consumo do impulsor. Portanto, as varia\u00e7\u00f5es na viscosidade do l\u00edquido n\u00e3o afetam a vaz\u00e3o, mantendo a efici\u00eancia est\u00e1vel.<\/p>\n\n\n\n<p style=\"font-size:18px\">As bombas de deslocamento positivo (PD) podem lidar com pastas s\u00f3lidas macias com um teor de s\u00f3lidos de at\u00e9 60-80%. No entanto, como operam dentro de uma c\u00e2mara de bombeamento selada, n\u00e3o s\u00e3o adequadas para o manuseio de fluidos que contenham part\u00edculas s\u00f3lidas grandes e altamente abrasivas, pois isso pode facilmente causar travamento ou entupimento da bomba.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-shearing\">Tosquia<\/h3>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas centr\u00edfugas: As bombas centr\u00edfugas possuem alta for\u00e7a de cisalhamento e n\u00e3o s\u00e3o adequadas para o transporte de suspens\u00f5es biol\u00f3gicas e suspens\u00f5es polim\u00e9ricas. Isso ocorre porque, quando uma bomba centr\u00edfuga \u00e9 acionada, o impulsor gira em alta velocidade, o que significa que ele pode romper c\u00e9lulas biol\u00f3gicas, coloides, pastas, etc., presentes no l\u00edquido.<\/p>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas de Deslocamento Positivo: As bombas PD expelem l\u00edquidos por compress\u00e3o lenta. Sem um impulsor girat\u00f3rio de alta velocidade, a for\u00e7a de cisalhamento \u00e9 bastante reduzida, tornando-as adequadas para o transporte de suspens\u00f5es contendo pol\u00edmeros, c\u00e9lulas biol\u00f3gicas, coloides e pastas.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-efficiency-and-energy-consumption\">Efici\u00eancia e consumo de energia<\/h3>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas centr\u00edfugas: A efici\u00eancia das bombas centr\u00edfugas varia de acordo com as condi\u00e7\u00f5es de opera\u00e7\u00e3o. Elas s\u00e3o mais eficientes pr\u00f3ximas ao seu ponto de melhor efici\u00eancia (PME). No entanto, em condi\u00e7\u00f5es de opera\u00e7\u00e3o complexas, o consumo de energia aumenta gradualmente e a efici\u00eancia diminui.<\/p>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 Bombas de Deslocamento Positivo: A efici\u00eancia das bombas de deslocamento positivo \u00e9 mais est\u00e1vel e menos afetada pelas condi\u00e7\u00f5es de opera\u00e7\u00e3o. De acordo com a f\u00f3rmula de pot\u00eancia mencionada anteriormente, a pot\u00eancia s\u00f3 muda quando a vaz\u00e3o ou a press\u00e3o variam. Essa varia\u00e7\u00e3o mais linear permite uma melhor gest\u00e3o de energia.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-maintenance\">Manuten\u00e7\u00e3o<\/h3>\n\n\n\n<p style=\"font-size:18px\">Para garantir uma longa vida \u00fatil, tanto as bombas centr\u00edfugas quanto as de deslocamento positivo requerem manuten\u00e7\u00e3o regular.<\/p>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 \u00c9 importante ressaltar que, em bombas centr\u00edfugas, as partes rotativas, especialmente o rotor, exigem aten\u00e7\u00e3o priorit\u00e1ria. Independentemente de a bomba estar bombeando \u00e1gua limpa ou lama, o rotor sofrer\u00e1 desgaste. O material, a qualidade e a condi\u00e7\u00e3o do rotor afetam o funcionamento di\u00e1rio. Tamb\u00e9m podemos verificar anormalidades monitorando a temperatura, o ru\u00eddo e a vaz\u00e3o. Felizmente, as bombas centr\u00edfugas t\u00eam uma estrutura simples, o que torna a manuten\u00e7\u00e3o relativamente pr\u00e1tica e r\u00e1pida.<\/p>\n\n\n\n<p style=\"font-size:18px\">\ud83d\udd38 As bombas de deslocamento positivo exigem aten\u00e7\u00e3o especial quanto a vazamentos. Vazamentos internos levam \u00e0 diminui\u00e7\u00e3o da efici\u00eancia. Em segundo lugar, observe se h\u00e1 anormalidades na vaz\u00e3o e na press\u00e3o. Se forem encontradas anormalidades, verifique se h\u00e1 obstru\u00e7\u00f5es. Al\u00e9m disso, preste aten\u00e7\u00e3o a ru\u00eddos incomuns e limpe regularmente as v\u00e1lvulas e os filtros para remover objetos estranhos.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/kingdapump.com\/pt\/o-que-e-uma-bomba-centrifuga\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"215\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/What-is-Centrifugal-Pump.jpg\" alt=\"O que \u00e9 uma bomba centr\u00edfuga?\" class=\"wp-image-27077\" srcset=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/What-is-Centrifugal-Pump.jpg 1000w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/What-is-Centrifugal-Pump-300x65.jpg 300w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/What-is-Centrifugal-Pump-768x165.jpg 768w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/What-is-Centrifugal-Pump-18x4.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-applications-of-centrifugal-and-positive-displacement-pumps\" style=\"font-size:25px\">Aplica\u00e7\u00f5es de bombas centr\u00edfugas e de deslocamento positivo<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:18px\">J\u00e1 mencionamos os tipos de fluidos aplic\u00e1veis a esses dois tipos de bombas na tabela comparativa entre bombas de deslocamento positivo e bombas centr\u00edfugas. A seguir, apresentarei uma an\u00e1lise detalhada e recomenda\u00e7\u00f5es de bombas com base em diferentes aplica\u00e7\u00f5es.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-when-to-use-centrifugal-pump\">Quando usar uma bomba centr\u00edfuga?<\/h3>\n\n\n\n<p style=\"font-size:18px\">Devido \u00e0 sua estrutura e princ\u00edpio de funcionamento, as bombas centr\u00edfugas s\u00e3o geralmente adequadas para o transporte de \u00e1gua limpa, \u00e1gua impura e fluidos de viscosidade m\u00e9dia, como \u00e1gua para edif\u00edcios residenciais de v\u00e1rios andares, irriga\u00e7\u00e3o, esgoto, lama, argamassa, lodo, cinzas volantes, cascalho e esterco animal.<\/p>\n\n\n\n<p style=\"font-size:18px\">Gra\u00e7as \u00e0 estrutura otimizada do impulsor e ao uso de materiais altamente resistentes ao desgaste, a gama de aplica\u00e7\u00f5es das bombas centr\u00edfugas foi significativamente ampliada. Mesmo ao lidar com pastas contendo part\u00edculas s\u00f3lidas duras, as bombas centr\u00edfugas mant\u00eam excelente vida \u00fatil e desempenho.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-when-to-use-centrifugal-pump-0\">Quando usar uma bomba centr\u00edfuga?<\/h3>\n\n\n\n<p style=\"font-size:18px\">Diferentemente das bombas centr\u00edfugas, as bombas de deslocamento positivo n\u00e3o dependem de rotores girat\u00f3rios para impulsionar l\u00edquidos, resultando em menores for\u00e7as de cisalhamento. Al\u00e9m disso, as partes m\u00f3veis dentro da bomba atuam diretamente no fluido por meio de compress\u00e3o, evitando perdas de energia e alcan\u00e7ando maior efici\u00eancia.<\/p>\n\n\n\n<p style=\"font-size:18px\">Essa estrutura significa que a viscosidade do l\u00edquido praticamente n\u00e3o afeta a efici\u00eancia, mas n\u00e3o \u00e9 adequada para o transporte de pastas contendo part\u00edculas s\u00f3lidas. As bombas de deslocamento positivo s\u00e3o adequadas para o transporte de l\u00edquidos de alta viscosidade, aplica\u00e7\u00f5es que exigem altas for\u00e7as de cisalhamento ou cen\u00e1rios que demandam vaz\u00f5es precisas e constantes, como petr\u00f3leo e g\u00e1s, pastas biol\u00f3gicas e polim\u00e9ricas, lodo, processamento de alimentos e produtos farmac\u00eauticos.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1200\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Applications-of-Centrifugal-and-Positive-Displacement-Pump.jpg\" alt=\"Aplica\u00e7\u00f5es de bombas centr\u00edfugas e de deslocamento positivo\" class=\"wp-image-27096\" style=\"width:600px\" srcset=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Applications-of-Centrifugal-and-Positive-Displacement-Pump.jpg 1000w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Applications-of-Centrifugal-and-Positive-Displacement-Pump-250x300.jpg 250w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Applications-of-Centrifugal-and-Positive-Displacement-Pump-853x1024.jpg 853w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Applications-of-Centrifugal-and-Positive-Displacement-Pump-768x922.jpg 768w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Applications-of-Centrifugal-and-Positive-Displacement-Pump-10x12.jpg 10w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-common-industrial-applications\">Aplica\u00e7\u00f5es industriais comuns<\/h3>\n\n\n\n<p style=\"font-size:18px\"><strong>Tratamento de \u00e1gua:<\/strong> \u00c1guas residuais e \u00e1gua pot\u00e1vel frequentemente cont\u00eam grandes quantidades de impurezas, cascalho e fibras longas. Bombas centr\u00edfugas de alta vaz\u00e3o e resistentes \u00e0 abras\u00e3o s\u00e3o a melhor op\u00e7\u00e3o nesses casos.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Minera\u00e7\u00e3o:<\/strong> Na recupera\u00e7\u00e3o de \u00e1guas residuais e no tratamento de rejeitos em minas, os l\u00edquidos cont\u00eam in\u00fameras part\u00edculas duras, corrosivas e abrasivas. As bombas centr\u00edfugas para lama de minera\u00e7\u00e3o lidam facilmente com essas condi\u00e7\u00f5es exigentes.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Alimentos\/Farmac\u00eautico:<\/strong> Na ind\u00fastria aliment\u00edcia e biofarmac\u00eautica, a adi\u00e7\u00e3o precisa de aditivos ou f\u00e1rmacos \u00e9 essencial sem comprometer a biocompatibilidade dos materiais. Bombas de deslocamento positivo podem realizar essas tarefas com vaz\u00f5es est\u00e1veis e alta efici\u00eancia.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Petr\u00f3leo e g\u00e1s:<\/strong> No transporte de petr\u00f3leo e g\u00e1s, especialmente no transporte de petr\u00f3leo, a alta viscosidade do \u00f3leo pode reduzir a efici\u00eancia das bombas centr\u00edfugas e at\u00e9 mesmo causar obstru\u00e7\u00f5es em dutos. Bombas de deslocamento positivo, por outro lado, podem movimentar petr\u00f3leo, g\u00e1s ou fluidos de alta viscosidade de forma est\u00e1vel.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Dragagem:<\/strong> Os projetos de dragagem exigem a remo\u00e7\u00e3o de lodo dos leitos dos rios, portos e margens, frequentemente contendo grandes quantidades de cascalho e pedras. As bombas de dragagem centr\u00edfugas, adequadas para altas vaz\u00f5es e manuseio de s\u00f3lidos, podem lidar eficazmente com diversos tipos de lamas.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Irriga\u00e7\u00e3o\/Pecu\u00e1ria:<\/strong> As bombas centr\u00edfugas s\u00e3o frequentemente utilizadas para irriga\u00e7\u00e3o de grandes volumes em terras agr\u00edcolas, enquanto na pecu\u00e1ria, o manuseio eficiente de dejetos animais representa um desafio. O excelente desempenho das bombas centr\u00edfugas na passagem de s\u00f3lidos garante o fornecimento est\u00e1vel de grandes quantidades de dejetos animais.<\/p>\n\n\n\n<div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-choose-centrifugal-vs-positive-displacement-pump\" style=\"font-size:25px\">Como escolher? Bomba centr\u00edfuga versus bomba de deslocamento positivo<\/h2>\n\n\n\n<p style=\"font-size:18px\">Ao selecionar uma bomba adequada, considere o seguinte: <strong>cinco fatores<\/strong> Deve-se considerar:<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>\u2160.<\/strong> \u00c9 necess\u00e1rio um fluxo cont\u00ednuo e elevado, ou um fluxo preciso e est\u00e1vel?<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>\u2161.<\/strong> \u00c9 necess\u00e1rio um fornecimento de alta press\u00e3o ou uma press\u00e3o est\u00e1vel?<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>III.<\/strong> O fluido que voc\u00ea est\u00e1 manuseando \u00e9 uma pasta de alta viscosidade?<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>IV.<\/strong> A pasta cont\u00e9m um grande n\u00famero de part\u00edculas s\u00f3lidas? Qual \u00e9 a dureza e o tamanho dessas part\u00edculas?<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>V.<\/strong> A pasta que voc\u00ea est\u00e1 manuseando cont\u00e9m c\u00e9lulas biol\u00f3gicas, pol\u00edmeros ou outras subst\u00e2ncias que n\u00e3o podem ser destru\u00eddas?<\/p>\n\n\n\n<p style=\"font-size:18px\">Se voc\u00ea conseguir responder a essas cinco perguntas, poder\u00e1 selecionar inicialmente uma bomba adequada para o seu projeto.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1200\" src=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Pump-Selection-Flowchart-Centrifugal-vs.jpg\" alt=\"-Fluxograma de sele\u00e7\u00e3o de bombas (centr\u00edfugas vs.\" class=\"wp-image-27102\" style=\"width:600px\" srcset=\"https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Pump-Selection-Flowchart-Centrifugal-vs.jpg 1000w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Pump-Selection-Flowchart-Centrifugal-vs-250x300.jpg 250w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Pump-Selection-Flowchart-Centrifugal-vs-853x1024.jpg 853w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Pump-Selection-Flowchart-Centrifugal-vs-768x922.jpg 768w, https:\/\/kingdapump.com\/wp-content\/uploads\/2025\/11\/Pump-Selection-Flowchart-Centrifugal-vs-10x12.jpg 10w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:18px\">A tabela abaixo lista os principais tipos de bombas centr\u00edfugas e bombas de deslocamento positivo. Ao escolher uma bomba, precisamos considerar n\u00e3o apenas o cen\u00e1rio de aplica\u00e7\u00e3o, mas tamb\u00e9m as propriedades f\u00edsicas da polpa e o material da bomba, pois somente escolhendo a bomba mais adequada podemos garantir que nossa efici\u00eancia de produ\u00e7\u00e3o atinja o m\u00e1ximo.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\" style=\"font-size:16px\"><table class=\"has-background has-fixed-layout\" style=\"background:linear-gradient(95deg,rgb(238,238,238) 0%,rgb(169,184,195) 90%)\"><tbody><tr><td><strong>Tipos de bombas<\/strong><\/td><td><strong>Tipos comuns<\/strong><\/td><td><strong>Aplica\u00e7\u00f5es<\/strong><\/td><\/tr><tr><td><strong>Bombas centr\u00edfugas<\/strong><\/td><td><a href=\"https:\/\/kingdapump.com\/pt\/bomba-de-polpa\/bomba-de-polpa-vertical\/\">Bombas Verticais<\/a>, <a href=\"https:\/\/kingdapump.com\/pt\/bomba-de-polpa\/bomba-de-polpa-horizontal\/\">Bombas horizontais<\/a>, <a href=\"https:\/\/kingdapump.com\/pt\/bomba-de-polpa-submersivel\/\">Bomba submers\u00edvel<\/a>, <a href=\"https:\/\/kingdapump.com\/pt\/bomba-de-polpa\/\">Bombas de polpa<\/a>, <a href=\"https:\/\/kingdapump.com\/pt\/bomba-de-polpa\/bomba-de-polpa-horizontal\/bomba-de-dragagem-propria\/\">Bombas de dragagem<\/a><\/td><td>Esta\u00e7\u00f5es de tratamento de \u00e1guas residuais, rejeitos, dragas, fazendas, f\u00e1bricas de papel, irriga\u00e7\u00e3o e abastecimento de \u00e1gua pot\u00e1vel.<\/td><\/tr><tr><td><strong>Bombas de deslocamento positivo<\/strong><\/td><td>Bombas de pist\u00e3o, bombas de \u00eambolo, bombas de diafragma, bombas de engrenagem, bombas de parafuso, bombas perist\u00e1lticas, bombas de l\u00f3bulos<\/td><td>F\u00e1bricas farmac\u00eauticas, transporte de petr\u00f3leo, f\u00e1bricas de processamento de alimentos, f\u00e1bricas de papel, f\u00e1bricas de tintas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:18px\">Se voc\u00ea tiver alguma necessidade relacionada \u00e0 sele\u00e7\u00e3o de bombas centr\u00edfugas e bombas de deslocamento positivo, n\u00e3o hesite em nos contatar. <a href=\"https:\/\/kingdapump.com\/pt\/contato-kingda\/\">entre em contato com os especialistas da Kingda<\/a>. Iremos fornecer-lhe aconselhamento gratuito e oportuno e, se necess\u00e1rio, tamb\u00e9m podemos personalizar solu\u00e7\u00f5es de distribui\u00e7\u00e3o de fluidos para si.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>When selecting pumps, performing routine maintenance, or learning about pumps, comparisons are inevitable: centrifugal vs. positive displacement pumps. What exactly are the differences? These are the most common types of pumps.&nbsp; This guide covers the definitions, key comparisons, applications, selection, and maintenance points for both types of pumps. Learn from this guide to uncover their [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":27067,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,41],"tags":[],"class_list":["post-27026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-pump-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Centrifugal vs Positive Displacement Pumps | Differences Guide<\/title>\n<meta name=\"description\" content=\"Centrifugal Pumps vs Positive Displacement Pumps \u2014centrifugal pumps handle thin, fast-flowing liquids; PD pumps move thick slurries steadily.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kingdapump.com\/pt\/bombas-centrifugas-versus-bombas-de-deslocamento-positivo\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Centrifugal vs Positive Displacement Pumps | Differences Guide\" \/>\n<meta property=\"og:description\" content=\"Centrifugal Pumps vs Positive Displacement Pumps \u2014centrifugal pumps handle thin, fast-flowing liquids; 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