{"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 Bomba em 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=\"Portable balancer &#038; Vibration analyzer 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 full kit portable balancer and vibration analyzer\" 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=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; 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\">&euro;<\/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=\"Balanset-1A vibration sensor close-up\" 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\">&euro;<\/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 \u00d3ptico (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 \u00d3ptico (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 \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (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\">&euro;<\/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=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" 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\">&euro;<\/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=\"Suporte Magn\u00e9tico Insize-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=\"Magnet base.\" 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=\"Suporte Magn\u00e9tico Insize-60-kgf\">Suporte Magn\u00e9tico Insize-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\">&euro;<\/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\">&euro;<\/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 \u201cBalanset-1A\u201d 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=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" 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 \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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\">&euro;<\/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 em vaz\u00f5es muito abaixo do ponto de projeto \u2014 o ponto de melhor efici\u00eancia, ou BEP. Em baixo fluxo, parte do fluido inverte a dire\u00e7\u00e3o, fluindo para tr\u00e1s da regi\u00e3o de descarga em dire\u00e7\u00e3o \u00e0 suc\u00e7\u00e3o e formando padr\u00f5es de recircula\u00e7\u00e3o inst\u00e1veis na entrada ou sa\u00edda do impelidor. O resultado \u00e9 baixa frequ\u00eancia <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> pulsa\u00e7\u00e3o (tipicamente 0,2\u20130,8\u00d7 a velocidade de opera\u00e7\u00e3o 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 s\u00e9rios devido ao carregamento c\u00edclico, <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/cavitation\/\">cavita\u00e7\u00e3o<\/a> e aquecimento. \u00c9 uma das formas mais destrutivas de operar uma bomba, e evit\u00e1-la \u00e9 central para <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/centrifugal-pump-defects\/\">confiabilidade da bomba<\/a>.<\/p>\n<h2>1. Defini\u00e7\u00e3o: Uma Instabilidade Hidr\u00e1ulica de Baixo Fluxo<\/h2>\n<p>Um impelidor \u00e9 projetado para que o fluido entre e saia de suas p\u00e1s em \u00e2ngulos espec\u00edficos no BEP. Reduza o fluxo muito abaixo desse ponto e os tri\u00e2ngulos de velocidade n\u00e3o corresponder\u00e3o mais \u00e0 geometria das p\u00e1s: o \u00e2ngulo de incid\u00eancia fica muito errado, o fluxo se separa das p\u00e1s e o fluido que o impelidor j\u00e1 energizou transborda para tr\u00e1s. Esses jatos reversos e girat\u00f3rios s\u00e3o a recircula\u00e7\u00e3o. Como o desbalanceamento <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/hydraulic-forces\/\">for\u00e7as hidr\u00e1ulicas<\/a> que geram pode ser enorme, a recircula\u00e7\u00e3o pode desencadear falhas nos rolamentos, danos nos selos, eixo <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fatigue\/\">fadiga<\/a> e at\u00e9 falha estrutural do pr\u00f3prio impelidor. Compreender e preveni-la \u00e9 crucial para a longevidade da bomba.<\/p>\n<h2>2. Tipos de Recircula\u00e7\u00e3o<\/h2>\n<h3>Recircula\u00e7\u00e3o de Suc\u00e7\u00e3o<\/h3>\n<p>Ocorre na entrada do impelidor (o lado de suc\u00e7\u00e3o):<\/p>\n<ul>\n<li><strong>Mecanismo:<\/strong> em baixo fluxo, o fluido que entra no olho do impelidor chega com o \u00e2ngulo de fluxo errado.<\/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>Fluxo reverso:<\/strong> o fluido separado transborda para tr\u00e1s, saindo do olho do impelidor.<\/li>\n<li><strong>In\u00edcio:<\/strong> tipicamente em 60\u201370% do fluxo do BEP.<\/li>\n<li><strong>Localiza\u00e7\u00e3o:<\/strong> concentrado perto dos an\u00e9is de veda\u00e7\u00e3o do impelidor.<\/li>\n<\/ul>\n<h3>Recircula\u00e7\u00e3o de Descarga<\/h3>\n<p>Ocorre na descarga do impelidor (a 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 impelidor.<\/li>\n<li><strong>Caminho:<\/strong> atrav\u00e9s de folgas de passagem, como an\u00e9is de desgaste e folgas laterais.<\/li>\n<li><strong>Mistura:<\/strong> o jato 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> tipicamente em 40\u201360% do fluxo do BEP.<\/li>\n<li><strong>Severidade:<\/strong> geralmente mais danoso que a recircula\u00e7\u00e3o de suc\u00e7\u00e3o.<\/li>\n<\/ul>\n<h3>Recircula\u00e7\u00e3o Combinada<\/h3>\n<ul>\n<li>Recircula\u00e7\u00e3o de suc\u00e7\u00e3o e descarga presentes ao mesmo tempo.<\/li>\n<li>Ocorre em fluxos muito baixos, abaixo de cerca de 40% do BEP.<\/li>\n<li>Produz a vibra\u00e7\u00e3o mais severa e o maior potencial de dano.<\/li>\n<li>Deve ser evitada por meio de prote\u00e7\u00e3o de fluxo m\u00ednimo.<\/li>\n<\/ul>\n<h2>3. Assinatura de vibra\u00e7\u00e3o<\/h2>\n<h3>Padr\u00e3o Caracter\u00edstico<\/h3>\n<ul>\n<li><strong>Frequ\u00eancia:<\/strong> subs\u00edncrona, tipicamente 0,2\u20130,8\u00d7 a velocidade de opera\u00e7\u00e3o.<\/li>\n<li><strong>Exemplo:<\/strong> uma bomba de 1750 RPM apresentando pulsa\u00e7\u00f5es de 10\u201320 Hz.<\/li>\n<li><strong>Amplitude:<\/strong> pode atingir 2\u20135\u00d7 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 se manterem constantes.<\/li>\n<li><strong>Componente aleat\u00f3rio:<\/strong> um aumento de banda larga devido \u00e0 turbul\u00eancia se sobrep\u00f5e.<\/li>\n<\/ul>\n<p>Esse car\u00e1ter vari\u00e1vel e n\u00e3o s\u00edncrono \u00e9 o que distingue a recircula\u00e7\u00e3o do 1\u00d7 est\u00e1vel de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/unbalance\/\">desbalanceamento<\/a> e do pico na frequ\u00eancia das p\u00e1s de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vane-passing-frequency\/\">frequ\u00eancia de passagem das p\u00e1s<\/a>; captur\u00e1-la geralmente exige 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 no tempo<\/a>.<\/p>\n<h3>Depend\u00eancia do Fluxo<\/h3>\n<ul>\n<li><strong>Alto fluxo:<\/strong> sem recircula\u00e7\u00e3o, baixa vibra\u00e7\u00e3o.<\/li>\n<li><strong>Fluxo moderado (80\u2013100% BEP):<\/strong> recircula\u00e7\u00e3o m\u00ednima, vibra\u00e7\u00e3o aceit\u00e1vel.<\/li>\n<li><strong>Baixo fluxo (50\u201370% BEP):<\/strong> a recircula\u00e7\u00e3o de suc\u00e7\u00e3o come\u00e7a e a vibra\u00e7\u00e3o aumenta.<\/li>\n<li><strong>Fluxo muito baixo (&lt; 50% BEP):<\/strong> recircula\u00e7\u00e3o severa e vibra\u00e7\u00e3o muito alta.<\/li>\n<li><strong>Desligamento:<\/strong> recircula\u00e7\u00e3o m\u00e1xima, vibra\u00e7\u00e3o m\u00e1xima e a taxa de dano mais r\u00e1pida.<\/li>\n<\/ul>\n<h3>Indicadores Adicionais<\/h3>\n<ul>\n<li>Um alto <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/axial-vibration\/\">vibra\u00e7\u00e3o axial<\/a> componente.<\/li>\n<li>Aumento de ru\u00eddo \u2014 rugido ou ronco.<\/li>\n<li>Perda de desempenho, com a carga e o vaz\u00e3o caindo abaixo da curva.<\/li>\n<li>Aumento de temperatura devido \u00e0s perdas hidr\u00e1ulicas sendo dissipadas no 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 severa:<\/strong> pode ultrapassar os limites de alarme em minutos.<\/li>\n<li><strong>Ru\u00eddo:<\/strong> rugido turbulento e alto.<\/li>\n<li><strong>Perda de efici\u00eancia:<\/strong> alto consumo de pot\u00eancia para a vaz\u00e3o realmente entregue.<\/li>\n<li><strong>Aquecimento:<\/strong> perdas hidr\u00e1ulicas convertidas em calor no carca\u00e7a.<\/li>\n<\/ul>\n<h3>Danos Mec\u00e2nicos<\/h3>\n<ul>\n<li><strong>Falha do rolamento:<\/strong> altas cargas c\u00edclicas aceleram o desgaste do rolamento <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-wear\/\">desgaste<\/a>.<\/li>\n<li><strong>Danos no selo:<\/strong> vibra\u00e7\u00e3o e pulsa\u00e7\u00e3o de press\u00e3o destroem <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/seal-defects\/\">veda\u00e7\u00f5es mec\u00e2nicas<\/a>.<\/li>\n<li><strong>Fadiga do eixo:<\/strong> tens\u00e3o de flex\u00e3o alternada devido \u00e0s for\u00e7as hidr\u00e1ulicas inst\u00e1veis.<\/li>\n<li><strong>Danos ao impelidor:<\/strong> p\u00e1 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/impeller-defects\/\">trincas 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, pois a press\u00e3o local cai abaixo da press\u00e3o de vapor.<\/li>\n<li><strong>Eros\u00e3o:<\/strong> o fluxo de recircula\u00e7\u00e3o de alta velocidade erosiona as superf\u00edcies.<\/li>\n<li><strong>Cavita\u00e7\u00e3o por v\u00f3rtice:<\/strong> os v\u00f3rtices dentro das zonas de recircula\u00e7\u00e3o cavitam 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 por componentes subs\u00edncronos na faixa de 0,2\u20130,8\u00d7.<\/li>\n<li>Teste em v\u00e1rias vaz\u00f5es 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 achados 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 carga\u2013vaz\u00e3o.<\/li>\n<li>Compare-a com a curva de projeto.<\/li>\n<li>Um desvio em baixa vaz\u00e3o sinaliza recircula\u00e7\u00e3o.<\/li>\n<li>O consumo de pot\u00eancia maior do que o previsto pela curva \u00e9 uma evid\u00eancia corroborante.<\/li>\n<\/ul>\n<h3>Monitoramento Ac\u00fastico<\/h3>\n<ul>\n<li>Um som de rugido turbulento distinto.<\/li>\n<li>Um aumento de 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 de Vaz\u00e3o M\u00ednima<\/h4>\n<ul>\n<li>Instale uma linha de recircula\u00e7\u00e3o autom\u00e1tica de vaz\u00e3o m\u00ednima.<\/li>\n<li>Uma v\u00e1lvula abre sempre que a vaz\u00e3o cai abaixo do m\u00ednimo seguro (tipicamente 60\u201370% do BEP).<\/li>\n<li>Ela recircula a descarga 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 da vaz\u00e3o m\u00ednima cont\u00ednua est\u00e1vel.<\/li>\n<li>Use um acionamento de velocidade vari\u00e1vel para ajustar a bomba \u00e0 demanda, explorando o <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/affinity-laws-calculator\/\">leis da afinidade<\/a> para operar no BEP em uma faixa de servi\u00e7os.<\/li>\n<li>Prefira v\u00e1rias bombas menores a uma \u00fanica bomba grande para melhor rela\u00e7\u00e3o de redu\u00e7\u00e3o.<\/li>\n<li>Ligue e desligue bombas em paralelo conforme a demanda muda.<\/li>\n<\/ul>\n<h3>Solu\u00e7\u00f5es de Projeto<\/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>Impelidores de baixa vaz\u00e3o:<\/strong> projetos especiais destinados a servi\u00e7o de baixa vaz\u00e3o.<\/li>\n<li><strong>Dimensionamento adequado:<\/strong> n\u00e3o dimensione a bomba em excesso, o que for\u00e7a opera\u00e7\u00e3o cr\u00f4nica em baixa vaz\u00e3o.<\/li>\n<li><strong>Faixa de opera\u00e7\u00e3o mais ampla:<\/strong> selecione bombas com curvas planas que tolerem varia\u00e7\u00e3o de vaz\u00e3o.<\/li>\n<\/ul>\n<h3>Projeto do Sistema<\/h3>\n<ul>\n<li>Projete o sistema para que a bomba opere perto do BEP.<\/li>\n<li>Forne\u00e7a uma margem de NPSH adequada para limitar a cavita\u00e7\u00e3o nas zonas de recircula\u00e7\u00e3o.<\/li>\n<li>Posicione as v\u00e1lvulas de controle para minimizar a estrangula\u00e7\u00e3o na suc\u00e7\u00e3o.<\/li>\n<li>Inclua sistemas de bypass ou recircula\u00e7\u00e3o para garantir vaz\u00e3o m\u00ednima.<\/li>\n<\/ul>\n<h2>7. Normas e Diretrizes da Ind\u00fastria<\/h2>\n<h3>Vaz\u00e3o Cont\u00ednua M\u00ednima<\/h3>\n<ul>\n<li><strong>API 610:<\/strong> especifica a vaz\u00e3o m\u00ednima cont\u00ednua est\u00e1vel para bombas centr\u00edfugas.<\/li>\n<li><strong>Valores t\u00edpicos:<\/strong> 60\u201370% da vaz\u00e3o do BEP para bombas radiais, 70\u201380% para projetos de fluxo misto.<\/li>\n<li><strong>Considera\u00e7\u00e3o t\u00e9rmica:<\/strong> a vaz\u00e3o m\u00ednima tamb\u00e9m \u00e9 limitada pelo aumento de temperatura que o fluido pode tolerar em baixa vaz\u00e3o.<\/li>\n<\/ul>\n<h3>Teste de Desempenho<\/h3>\n<ul>\n<li>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 na vaz\u00e3o m\u00ednima, frequentemente referenciada a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/iso-20816-1\/\">ISO 20816<\/a> zonas de severidade.<\/li>\n<\/ul>\n<p>Como a recircula\u00e7\u00e3o, o desbalanceamento, os efeitos de passagem das p\u00e1s e a cavita\u00e7\u00e3o podem aumentar a vibra\u00e7\u00e3o da bomba, o passo diagn\u00f3stico pr\u00e1tico \u00e9 medir o espectro em v\u00e1rias vaz\u00f5es e ver qual componente acompanha a vaz\u00e3o. Um analisador port\u00e1til de dois canais, como o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> captura a pulsa\u00e7\u00e3o subs\u00edncrona e sua depend\u00eancia da vaz\u00e3o diretamente na bomba, ajudando a confirmar a recircula\u00e7\u00e3o em vez de um defeito do rotor \u2014 e, quando a vibra\u00e7\u00e3o elevada se revelar ser 1\u00d7 <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/unbalance\/\">desbalanceamento<\/a> no impelidor, permite que o t\u00e9cnico o balanceie no local sem desmontar a bomba. Para delimitar as frequ\u00eancias relevantes antes de come\u00e7ar, um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/pump-cavitation-frequency\/\">estimador de frequ\u00eancia de cavita\u00e7\u00e3o de bomba<\/a> e um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/blade-pass-frequency\/\">calculadora de frequ\u00eancia de passagem das p\u00e1s<\/a> marca onde o ru\u00eddo de cavita\u00e7\u00e3o e os picos de passagem das p\u00e1s devem aparecer, para que a banda de recircula\u00e7\u00e3o subs\u00edncrona errante se destaque claramente.<\/p>\n<p>A recircula\u00e7\u00e3o est\u00e1 entre as condi\u00e7\u00f5es de opera\u00e7\u00e3o mais severas que uma bomba centr\u00edfuga pode experimentar. Sua assinatura de vibra\u00e7\u00e3o subs\u00edncrona caracter\u00edstica, as grandes amplitudes de pulsa\u00e7\u00e3o e a capacidade de causar danos mec\u00e2nicos r\u00e1pidos tornam essencial entender as condi\u00e7\u00f5es de in\u00edcio, instalar prote\u00e7\u00e3o de vaz\u00e3o m\u00ednima e evitar opera\u00e7\u00e3o cr\u00f4nica em baixa vaz\u00e3o \u2014 as chaves para a confiabilidade e longevidade da bomba em servi\u00e7o industrial.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about recirculation in pumps, flow reversal and instability at low flow rates causing sub-synchronous vibration pulsations, efficiency loss, and potential damage.<\/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}]}}