{"id":207,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/recirculation\/"},"modified":"2026-05-23T22:53:11","modified_gmt":"2026-05-23T22:53:11","slug":"recirculation","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt_br\/glossary\/recirculation\/","title":{"rendered":"O que \u00e9 Recircula\u00e7\u00e3o? Instabilidade de Bombas de Baixo Fluxo"},"content":{"rendered":"<h1>Compreendendo a recircula\u00e7\u00e3o em bombas<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/balanset-1\/\" title=\"Balanceador port\u00e1til e analisador de vibra\u00e7\u00e3o Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit completo de balanceador port\u00e1til e analisador de vibra\u00e7\u00e3o\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/balanset-1\/\" title=\"Balanceador port\u00e1til e analisador de vibra\u00e7\u00e3o Balanset-1A\">Balanceador port\u00e1til e analisador de vibra\u00e7\u00e3o Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adicione ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Close-up do sensor de vibra\u00e7\u00e3o Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adicione ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3ptico (tac\u00f4metro a laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00f3ptico (tac\u00f4metro a laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3ptico (tac\u00f4metro a laser)\">Sensor \u00f3ptico (tac\u00f4metro a laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adicione ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kit de balanceamento de rotor Vibromera: estojo de transporte, condicionador de sinal multicanal, analisador port\u00e1til, base magn\u00e9tica, sensores de vibra\u00e7\u00e3o e cabos espiralados.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adicione ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/magnet-stand\/\" title=\"Tamanho do suporte magn\u00e9tico - 60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Base magn\u00e9tica.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/magnet-stand\/\" title=\"Tamanho do suporte magn\u00e9tico - 60 kgf\">Tamanho do suporte magn\u00e9tico - 60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adicione ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletiva\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adicione ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt_br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Conte\u00fado do kit Balanset-1A com unidade de interface, sensores, tac\u00f4metro e acess\u00f3rios\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt_br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt_br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">Balanceador din\u00e2mico \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt_br\/wp-json\/wp\/v2\/glossary\/207?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adicione ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Recircula\u00e7\u00e3o<\/strong> \u00e9 uma instabilidade de fluxo que se desenvolve em bombas centr\u00edfugas e ventiladores quando operam com vaz\u00f5es bem abaixo do seu ponto de projeto \u2014 o ponto de melhor efici\u00eancia, ou BEP. Em baixas vaz\u00f5es, parte do fluido inverte a dire\u00e7\u00e3o, fluindo de tr\u00e1s para frente da regi\u00e3o de descarga em dire\u00e7\u00e3o \u00e0 suc\u00e7\u00e3o e formando padr\u00f5es inst\u00e1veis de recircula\u00e7\u00e3o na entrada ou na sa\u00edda do impulsor. O resultado \u00e9 uma instabilidade de baixa frequ\u00eancia <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> pulsa\u00e7\u00e3o (normalmente 0,2\u20130,8 vezes a velocidade de corrida e, portanto, <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/sub-synchronous\/\">subs\u00edncrono<\/a>), ru\u00eddo, perda de efici\u00eancia e \u2014 em casos graves \u2014 danos mec\u00e2nicos graves decorrentes de cargas c\u00edclicas, <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/cavitation\/\">cavita\u00e7\u00e3o<\/a> e aquecimento. Essa \u00e9 uma das formas mais destrutivas de operar uma bomba, e evit\u00e1-la \u00e9 fundamental para <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/centrifugal-pump-defects\/\">confiabilidade da bomba<\/a>.<\/p>\n<h2>1. Defini\u00e7\u00e3o: Instabilidade hidr\u00e1ulica em baixos caudais<\/h2>\n<p>Um impulsor \u00e9 projetado de forma que o fluido entre e saia de suas aletas em \u00e2ngulos espec\u00edficos no ponto de melhor rendimento (BEP). Se o fluxo for reduzido para um valor bem abaixo desse ponto, os tri\u00e2ngulos de velocidade deixam de corresponder \u00e0 geometria das aletas: o \u00e2ngulo de incid\u00eancia fica totalmente incorreto, o fluxo se separa das aletas e o fluido que o impulsor j\u00e1 havia impulsionado reflu\u00ed para tr\u00e1s. Essas correntes invertidas e turbulentas constituem a recircula\u00e7\u00e3o. Como o fluxo \u00e9 inst\u00e1vel <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/hydraulic-forces\/\">for\u00e7as hidr\u00e1ulicas<\/a> podem ser enormes; a recircula\u00e7\u00e3o pode causar falhas nos rolamentos, danos nas veda\u00e7\u00f5es e no eixo <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/fatigue\/\">fadiga<\/a> e at\u00e9 mesmo a falha estrutural do pr\u00f3prio impulsor. Compreender e prevenir esse problema \u00e9 fundamental para a longevidade da bomba.<\/p>\n<h2>2. Tipos de recircula\u00e7\u00e3o<\/h2>\n<h3>Recircula\u00e7\u00e3o por suc\u00e7\u00e3o<\/h3>\n<p>Ocorre na entrada do impulsor (lado de suc\u00e7\u00e3o):<\/p>\n<ul>\n<li><strong>Mecanismo:<\/strong> Em baixos caudais, o fluido que entra pelo orif\u00edcio do impulsor chega com um \u00e2ngulo de fluxo incorreto.<\/li>\n<li><strong>Separa\u00e7\u00e3o:<\/strong> o fluxo se separa das superf\u00edcies de suc\u00e7\u00e3o das p\u00e1s.<\/li>\n<li><strong>Reverse flow:<\/strong> o fluido separado jorra para tr\u00e1s, saindo pelo orif\u00edcio do impulsor.<\/li>\n<li><strong>In\u00edcio:<\/strong> normalmente entre 60% e 70% do fluxo BEP.<\/li>\n<li><strong>Localiza\u00e7\u00e3o:<\/strong> concentradas perto das prote\u00e7\u00f5es do impulsor.<\/li>\n<\/ul>\n<h3>Recircula\u00e7\u00e3o da descarga<\/h3>\n<p>Ocorre na descarga do impulsor (na sa\u00edda):<\/p>\n<ul>\n<li><strong>Mecanismo:<\/strong> O fluido de descarga de alta press\u00e3o flui para tr\u00e1s na periferia do impulsor<\/li>\n<li><strong>Caminho:<\/strong> atrav\u00e9s de folgas, como an\u00e9is de desgaste e folgas laterais.<\/li>\n<li><strong>Mistura:<\/strong> o fluxo recirculado se mistura com o fluxo principal, gerando <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/flow-turbulence\/\">turbul\u00eancia<\/a>.<\/li>\n<li><strong>In\u00edcio:<\/strong> normalmente entre 40% e 60% do fluxo BEP.<\/li>\n<li><strong>Gravidade:<\/strong> Geralmente mais prejudicial do que a recircula\u00e7\u00e3o de suc\u00e7\u00e3o<\/li>\n<\/ul>\n<h3>Recircula\u00e7\u00e3o combinada<\/h3>\n<ul>\n<li>A recircula\u00e7\u00e3o tanto na suc\u00e7\u00e3o quanto na descarga ocorre simultaneamente.<\/li>\n<li>Ocorre em caudais muito baixos, inferiores a cerca de 40% do BEP.<\/li>\n<li>Produz a vibra\u00e7\u00e3o mais intensa e apresenta o maior potencial de danos.<\/li>\n<li>Isso deve ser evitado por meio da prote\u00e7\u00e3o de vaz\u00e3o m\u00ednima.<\/li>\n<\/ul>\n<h2>3. Assinatura de vibra\u00e7\u00e3o<\/h2>\n<h3>Padr\u00e3o Caracter\u00edstico<\/h3>\n<ul>\n<li><strong>Freq\u00fc\u00eancia:<\/strong> subs\u00edncrono, normalmente entre 0,2 e 0,8 vezes a velocidade de funcionamento.<\/li>\n<li><strong>Exemplo:<\/strong> uma bomba de 1.750 RPM que apresenta pulsa\u00e7\u00f5es de 10 a 20 Hz.<\/li>\n<li><strong>Amplitude:<\/strong> pode atingir 2 a 5 vezes a vibra\u00e7\u00e3o normal de opera\u00e7\u00e3o.<\/li>\n<li><strong>Inst\u00e1vel:<\/strong> tanto a frequ\u00eancia quanto a amplitude variam, em vez de permanecerem constantes.<\/li>\n<li><strong>Componente aleat\u00f3rio:<\/strong> um aumento da largura de banda devido \u00e0 turbul\u00eancia que se acumula na superf\u00edcie.<\/li>\n<\/ul>\n<p>Esse car\u00e1ter err\u00e1tico e ass\u00edncrono \u00e9 o que distingue a recircula\u00e7\u00e3o do ritmo constante de 1\u00d7 de <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> e o pico da frequ\u00eancia das p\u00e1s de <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/vane-passing-frequency\/\">frequ\u00eancia de passagem da p\u00e1<\/a>; para captur\u00e1-lo, geralmente \u00e9 necess\u00e1rio examinar tanto o <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/spectrum\/\">espectro<\/a> e o <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/time-waveform\/\">forma de onda temporal<\/a>.<\/p>\n<h3>Depend\u00eancia de fluxo<\/h3>\n<ul>\n<li><strong>High flow:<\/strong> sem recircula\u00e7\u00e3o, baixa vibra\u00e7\u00e3o.<\/li>\n<li><strong>Vaz\u00e3o moderada (80\u2013100% da capacidade nominal):<\/strong> recircula\u00e7\u00e3o m\u00ednima, vibra\u00e7\u00e3o aceit\u00e1vel.<\/li>\n<li><strong>Baixo fluxo (50\u201370% do BEP):<\/strong> A recircula\u00e7\u00e3o por suc\u00e7\u00e3o come\u00e7a e a vibra\u00e7\u00e3o aumenta.<\/li>\n<li><strong>Vaz\u00e3o muito baixa (&lt; 50% do BEP):<\/strong> recircula\u00e7\u00e3o intensa e vibra\u00e7\u00e3o muito elevada.<\/li>\n<li><strong>Desligamento:<\/strong> m\u00e1xima recircula\u00e7\u00e3o, m\u00e1xima vibra\u00e7\u00e3o e a taxa de danos mais r\u00e1pida.<\/li>\n<\/ul>\n<h3>Indicadores adicionais<\/h3>\n<ul>\n<li>A high <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/axial-vibration\/\">vibra\u00e7\u00e3o axial<\/a> componente.<\/li>\n<li>Aumento do ru\u00eddo \u2014 rugido ou estrondo.<\/li>\n<li>Perda de desempenho, com a altura manom\u00e9trica e o vaz\u00e3o ficando abaixo da curva.<\/li>\n<li>Aumento da temperatura devido \u00e0s perdas hidr\u00e1ulicas que s\u00e3o transferidas para o fluido.<\/li>\n<\/ul>\n<h2>4. Consequ\u00eancias e danos<\/h2>\n<h3>Efeitos imediatos<\/h3>\n<ul>\n<li><strong>Vibra\u00e7\u00e3o intensa:<\/strong> pode ultrapassar os limites de alarme em quest\u00e3o de minutos.<\/li>\n<li><strong>Barulho:<\/strong> um rugido alto e turbulento.<\/li>\n<li><strong>Perda de efici\u00eancia:<\/strong> alto consumo de energia em rela\u00e7\u00e3o ao fluxo efetivamente fornecido.<\/li>\n<li><strong>Aquecimento:<\/strong> perdas hidr\u00e1ulicas convertidas em calor no revestimento.<\/li>\n<\/ul>\n<h3>Danos mec\u00e2nicos<\/h3>\n<ul>\n<li><strong>Falha no rolamento:<\/strong> cargas c\u00edclicas elevadas aceleram o desgaste dos rolamentos <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/bearing-wear\/\">vestir<\/a>.<\/li>\n<li><strong>Seal damage:<\/strong> a vibra\u00e7\u00e3o e a pulsa\u00e7\u00e3o da press\u00e3o causam danos <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/seal-defects\/\">veda\u00e7\u00f5es mec\u00e2nicas<\/a>.<\/li>\n<li><strong>Shaft fatigue:<\/strong> tens\u00e3o de flex\u00e3o alternada causada pelas for\u00e7as hidr\u00e1ulicas inst\u00e1veis.<\/li>\n<li><strong>Danos no impulsor:<\/strong> vane <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/impeller-defects\/\">fissura\u00e7\u00e3o por fadiga<\/a> devido \u00e0 carga c\u00edclica.<\/li>\n<\/ul>\n<h3>Danos Hidr\u00e1ulicos<\/h3>\n<ul>\n<li><strong>Cavita\u00e7\u00e3o:<\/strong> As zonas de recircula\u00e7\u00e3o s\u00e3o propensas \u00e0 cavita\u00e7\u00e3o, uma vez que a press\u00e3o local cai abaixo da press\u00e3o de vapor.<\/li>\n<li><strong>Eros\u00e3o:<\/strong> O fluxo de recircula\u00e7\u00e3o em alta velocidade corr\u00f3i as superf\u00edcies.<\/li>\n<li><strong>Cavita\u00e7\u00e3o por v\u00f3rtice:<\/strong> os v\u00f3rtices nas zonas de recircula\u00e7\u00e3o sofrem cavita\u00e7\u00e3o em seus n\u00facleos de baixa press\u00e3o.<\/li>\n<\/ul>\n<h2>5. Detec\u00e7\u00e3o e diagn\u00f3stico<\/h2>\n<h3>An\u00e1lise de vibra\u00e7\u00e3o<\/h3>\n<ul>\n<li>Procure componentes subs\u00edncronos na faixa de 0,2\u20130,8\u00d7.<\/li>\n<li>Fa\u00e7a testes com v\u00e1rias taxas de fluxo para mapear o comportamento.<\/li>\n<li>Identifique a vaz\u00e3o na qual as pulsa\u00e7\u00f5es come\u00e7am \u2014 o in\u00edcio da recircula\u00e7\u00e3o.<\/li>\n<li>Compare os resultados com as previs\u00f5es da curva de desempenho da bomba.<\/li>\n<\/ul>\n<h3>Teste de desempenho<\/h3>\n<ul>\n<li>Me\u00e7a a curva real de press\u00e3o versus vaz\u00e3o.<\/li>\n<li>Compare com a curva de projeto.<\/li>\n<li>Um desvio em condi\u00e7\u00f5es de baixo fluxo indica recircula\u00e7\u00e3o.<\/li>\n<li>Um consumo de energia superior ao previsto pela curva constitui uma evid\u00eancia corroborativa.<\/li>\n<\/ul>\n<h3>Monitoramento Ac\u00fastico<\/h3>\n<ul>\n<li>Um ru\u00eddo caracter\u00edstico, turbulento e estrondoso.<\/li>\n<li>Um aumento do ru\u00eddo de banda larga.<\/li>\n<li>Frequentemente aud\u00edvel e palp\u00e1vel na carca\u00e7a da bomba.<\/li>\n<\/ul>\n<h2>6. Preven\u00e7\u00e3o e mitiga\u00e7\u00e3o<\/h2>\n<h3>Estrat\u00e9gias Operacionais<\/h3>\n<h4>Prote\u00e7\u00e3o contra vaz\u00e3o m\u00ednima<\/h4>\n<ul>\n<li>Instale uma linha de recircula\u00e7\u00e3o autom\u00e1tica com fluxo m\u00ednimo.<\/li>\n<li>Uma v\u00e1lvula abre sempre que o fluxo cai abaixo do m\u00ednimo de seguran\u00e7a (normalmente 60\u201370% do BEP).<\/li>\n<li>Ele recircula o efluente de volta para a suc\u00e7\u00e3o ou para um tanque.<\/li>\n<li>Isso mant\u00e9m a bomba fora da zona de recircula\u00e7\u00e3o.<\/li>\n<\/ul>\n<h4>Controle do ponto de opera\u00e7\u00e3o<\/h4>\n<ul>\n<li>Evite operar abaixo do fluxo m\u00ednimo est\u00e1vel cont\u00ednuo.<\/li>\n<li>Utilize um inversor de frequ\u00eancia para ajustar a bomba \u00e0 demanda, aproveitando o <a href=\"https:\/\/vibromera.eu\/pt_br\/calculators\/affinity-laws-calculator\/\">affinity laws<\/a> utilizar o BEP em diversas fun\u00e7\u00f5es.<\/li>\n<li>\u00c9 prefer\u00edvel usar v\u00e1rias bombas menores em vez de uma \u00fanica bomba grande para obter uma melhor capacidade de regula\u00e7\u00e3o.<\/li>\n<li>Ligue e desligue as bombas em s\u00e9rie conforme a demanda varia.<\/li>\n<\/ul>\n<h3>Solu\u00e7\u00f5es de Design<\/h3>\n<ul>\n<li><strong>Indutor:<\/strong> um est\u00e1gio de entrada axial para estabilizar o fluxo de suc\u00e7\u00e3o.<\/li>\n<li><strong>Impulsores de baixo fluxo:<\/strong> modelos especiais destinados a servi\u00e7os de baixo fluxo.<\/li>\n<li><strong>Proper sizing:<\/strong> N\u00e3o escolha uma bomba com capacidade excessiva, pois isso obriga a um funcionamento cr\u00f4nico com baixo fluxo.<\/li>\n<li><strong>Maior faixa de opera\u00e7\u00e3o:<\/strong> escolha bombas com curvas planas que suportem varia\u00e7\u00f5es de vaz\u00e3o.<\/li>\n<\/ul>\n<h3>Projeto de Sistema<\/h3>\n<ul>\n<li>Projete o sistema de forma que a bomba funcione pr\u00f3ximo ao ponto de efici\u00eancia ideal (BEP).<\/li>\n<li>Assegure uma margem de NPSH adequada para limitar a cavita\u00e7\u00e3o nas zonas de recircula\u00e7\u00e3o.<\/li>\n<li>Ajuste as v\u00e1lvulas de controle de posi\u00e7\u00e3o para minimizar o estrangulamento na suc\u00e7\u00e3o.<\/li>\n<li>Incluir sistemas de deriva\u00e7\u00e3o ou recircula\u00e7\u00e3o para garantir um fluxo m\u00ednimo.<\/li>\n<\/ul>\n<h2>7. Padr\u00f5es e diretrizes do setor<\/h2>\n<h3>Fluxo Cont\u00ednuo M\u00ednimo<\/h3>\n<ul>\n<li><strong>API 610:<\/strong> Especifica o fluxo m\u00ednimo est\u00e1vel cont\u00ednuo para bombas centr\u00edfugas<\/li>\n<li><strong>Valores t\u00edpicos:<\/strong> 60\u201370% do fluxo BEP para bombas radiais, 70\u201380% para modelos de fluxo misto.<\/li>\n<li><strong>Considera\u00e7\u00f5es t\u00e9rmicas:<\/strong> O fluxo m\u00ednimo tamb\u00e9m \u00e9 limitado pelo aumento de temperatura que o fluido pode suportar em condi\u00e7\u00f5es de baixo fluxo.<\/li>\n<\/ul>\n<h3>Teste de desempenho<\/h3>\n<ul>\n<li>Os testes de f\u00e1brica verificam o ponto de in\u00edcio da recircula\u00e7\u00e3o.<\/li>\n<li>Testes de desempenho em campo confirmam isso no sistema instalado.<\/li>\n<li>Os crit\u00e9rios de aceita\u00e7\u00e3o especificam a vibra\u00e7\u00e3o permitida no fluxo m\u00ednimo, frequentemente referenciada a <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/iso-20816-1\/\">ISO 20816<\/a> severity zones.<\/li>\n<\/ul>\n<p>Como a recircula\u00e7\u00e3o, o desequil\u00edbrio, os efeitos de passagem pelas palhetas e a cavita\u00e7\u00e3o podem aumentar a vibra\u00e7\u00e3o da bomba, a medida pr\u00e1tica de diagn\u00f3stico consiste em medir o espectro em v\u00e1rias taxas de vaz\u00e3o e verificar qual componente acompanha a varia\u00e7\u00e3o do fluxo. Um analisador port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt_br\/produto\/balanset-1\/\">Conjunto de equil\u00edbrio-1a<\/a> detecta a pulsa\u00e7\u00e3o subs\u00edncrona e sua depend\u00eancia do fluxo diretamente na bomba, ajudando a confirmar a recircula\u00e7\u00e3o em vez de uma falha no rotor \u2014 e, quando a vibra\u00e7\u00e3o elevada acaba sendo 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/unbalance\/\">desequil\u00edbrio<\/a> no impulsor, permite que o t\u00e9cnico o equilibre no local sem desmontar a bomba. Para identificar as frequ\u00eancias relevantes antes de come\u00e7ar, um <a href=\"https:\/\/vibromera.eu\/pt_br\/calculators\/pump-cavitation-frequency\/\">estimador da frequ\u00eancia de cavita\u00e7\u00e3o da bomba<\/a> e um <a href=\"https:\/\/vibromera.eu\/pt_br\/calculators\/blade-pass-frequency\/\">calculadora da frequ\u00eancia de passagem das p\u00e1s<\/a> identifique onde devem ocorrer os ru\u00eddos de cavita\u00e7\u00e3o e os picos de passagem pelas aletas, para que a faixa de recircula\u00e7\u00e3o subs\u00edncrona vari\u00e1vel se destaque claramente.<\/p>\n<p>A recircula\u00e7\u00e3o est\u00e1 entre as condi\u00e7\u00f5es operacionais mais severas que uma bomba centr\u00edfuga pode enfrentar. Sua caracter\u00edstica vibra\u00e7\u00e3o subs\u00edncrona, amplitudes de pulsa\u00e7\u00e3o elevadas e propens\u00e3o a danos mec\u00e2nicos r\u00e1pidos tornam essencial compreender as condi\u00e7\u00f5es que levam ao seu surgimento, instalar prote\u00e7\u00e3o contra vaz\u00e3o m\u00ednima e evitar o funcionamento cr\u00f4nico com baixa vaz\u00e3o \u2014 fatores fundamentais para a confiabilidade e a longevidade da bomba em servi\u00e7os industriais.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt_br\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda sobre recircula\u00e7\u00e3o em bombas, invers\u00e3o de fluxo e instabilidade em baixas vaz\u00f5es, que causam pulsa\u00e7\u00f5es de vibra\u00e7\u00e3o subs\u00edncronas, perda de efici\u00eancia e poss\u00edveis danos.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-207","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/glossary\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/glossary\/207\/revisions"}],"predecessor-version":[{"id":101401,"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/glossary\/207\/revisions\/101401"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/media?parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/categories?post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt_br\/wp-json\/wp\/v2\/tags?post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}