{"id":2310,"date":"2026-07-10T11:24:00","date_gmt":"2026-07-10T03:24:00","guid":{"rendered":"https:\/\/onerovalve.com\/?p=2310"},"modified":"2026-07-24T13:44:50","modified_gmt":"2026-07-24T05:44:50","slug":"bsp-vs-npt","status":"publish","type":"post","link":"https:\/\/www.onerovalve.com\/pt\/blog\/bsp-vs-npt\/","title":{"rendered":"BSP vs NPT: Qual \u00e9 a diferen\u00e7a?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ao lidar com conex\u00f5es de rosca de tubos, voc\u00ea provavelmente j\u00e1 se deparou com os termos rosca BSP e conex\u00e3o NPT. Esses dois padr\u00f5es de rosca s\u00e3o amplamente usados em aplica\u00e7\u00f5es de tubula\u00e7\u00e3o e v\u00e1lvulas industriais, mas n\u00e3o s\u00e3o intercambi\u00e1veis. Entender suas diferen\u00e7as \u00e9 essencial para selecionar a conex\u00e3o certa para seu sistema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neste artigo, vamos dividir BSP vs NPT \u2014 cobrindo sua estrutura, uso, compatibilidade e como identific\u00e1-los. Se voc\u00ea \u00e9 novo em tubula\u00e7\u00e3o industrial ou precisa de uma atualiza\u00e7\u00e3o r\u00e1pida, este guia simplifica tudo o que voc\u00ea precisa saber.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>O que significa NPT?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NPT (National Pipe Thread) \u00e9 o tipo de rosca padr\u00e3o usado principalmente nos Estados Unidos para conex\u00f5es de tubos. Ele apresenta um design c\u00f4nico, o que permite criar uma veda\u00e7\u00e3o firme e \u00e0 prova de vazamentos quando pareado com uma conex\u00e3o correspondente.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c2ngulo da rosca:<\/strong> 60\u00b0<\/li>\n\n\n\n<li><strong>Forma:<\/strong> Picos e vales achatados<\/li>\n\n\n\n<li><strong>Mecanismo de veda\u00e7\u00e3o:<\/strong> Requer um selante de rosca (por exemplo, fita de Teflon) para garantir uma conex\u00e3o sem vazamentos<\/li>\n\n\n\n<li><strong>Comumente usado em:<\/strong> Encanamento, gasodutos e aplica\u00e7\u00f5es industriais nos EUA<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tipos de roscas NPT<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>NPT (Tubo C\u00f4nico Nacional)<\/strong> \u2013 Utilizado para aplica\u00e7\u00f5es de press\u00e3o, garantindo uma veda\u00e7\u00e3o firme por meio de afunilamento.<\/li>\n\n\n\n<li><strong>NPS (Nacional Pipe Straight)<\/strong> \u2013 Uma alternativa de rosca reta que requer um anel de veda\u00e7\u00e3o ou junta para evitar vazamentos.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>O que \u00e9 uma rosca BSP?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">BSP (British Standard Pipe) \u00e9 o padr\u00e3o de rosca usado no Reino Unido, Austr\u00e1lia e muitos outros pa\u00edses. Diferentemente do NPT, o BSP vem em duas varia\u00e7\u00f5es: BSPT (c\u00f4nico) e BSPP (paralelo).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c2ngulo da rosca:<\/strong> 55\u00b0<\/li>\n\n\n\n<li><strong>Forma:<\/strong> Picos e vales arredondados<\/li>\n\n\n\n<li><strong>Mecanismo de veda\u00e7\u00e3o:<\/strong>\n<ul class=\"wp-block-list\">\n<li>BSPT requer um selante de rosca (semelhante ao NPT)<\/li>\n\n\n\n<li>BSPP requer uma veda\u00e7\u00e3o colada ou anel de veda\u00e7\u00e3o<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Comumente usado em:<\/strong> Europa, \u00c1sia, Austr\u00e1lia e ind\u00fastrias como tratamento de \u00e1gua e sistemas hidr\u00e1ulicos<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tipos de roscas BSP<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>BSPT (tubo c\u00f4nico padr\u00e3o brit\u00e2nico)<\/strong> \u2013 Veda por interfer\u00eancia de rosca e requer selante.<\/li>\n\n\n\n<li><strong>BSPP (British Standard Pipe Parallel)<\/strong> \u2013 Utiliza uma arruela ou anel de veda\u00e7\u00e3o para veda\u00e7\u00e3o em vez de interfer\u00eancia de rosca.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>BSP vs NPT: Principais diferen\u00e7as<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para identificar rapidamente se uma conex\u00e3o de tubo \u00e9 BSP ou NPT, considere as seguintes diferen\u00e7as:<\/p>\n\n\n\n<div class=\"ovm-table-wrap\">\n<style>\n.ovm-table-wrap{margin:24px 0;overflow-x:auto;border-radius:10px;box-shadow:0 3px 14px rgba(15,35,65,.08);}\n.ovm-table{width:100%;border-collapse:collapse;font-size:14px;min-width:600px;background:#fff;}\n.ovm-table thead th{background:#0b3a66 !important;color:#ffffff !important;text-align:center !important;vertical-align:middle;padding:12px 14px;font-size:13.5px;font-weight:600;letter-spacing:.3px;border:none !important;}\n.ovm-table thead th:first-child{border-top-left-radius:10px;}\n.ovm-table thead th:last-child{border-top-right-radius:10px;}\n.ovm-table tbody td{padding:12px 14px;border-bottom:1px solid #e6ebf1;color:#3d4a5c !important;text-align:center !important;vertical-align:middle;background:transparent;}\n.ovm-table tbody th{padding:12px 14px;border-bottom:1px solid #e6ebf1;color:#0b3a66 !important;text-align:left !important;vertical-align:middle;background:#f6f9fc !important;font-weight:600;}\n.ovm-table tbody tr:hover td, .ovm-table tbody tr:hover th{background:#eaf2fa !important;}\n.ovm-table tbody tr.ovm-new th, .ovm-table tbody tr.ovm-new td{background:#e5f0fb !important;}\n.ovm-table tbody tr.ovm-new th{border-left:3px solid #0b5fa5;}\n<\/style>\n<table class=\"ovm-table\">\n<thead>\n<tr><th>Recurso<\/th><th>T\u00f3pico BSP<\/th><th>T\u00f3pico NPT<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><th>\u00c2ngulo da rosca<\/th><td>55\u00b0<\/td><td>60\u00b0<\/td><\/tr>\n<tr class=\"ovm-new\"><th>Fios por polegada (TPI)<\/th><td>11 TPI (t\u00edpico)<\/td><td>11,5 TPI (t\u00edpico)<\/td><\/tr>\n<tr><th>Formato do fio<\/th><td>Picos e vales arredondados<\/td><td>Picos e vales planos<\/td><\/tr>\n<tr><th>C\u00f4nico ou paralelo?<\/th><td>BSPT (c\u00f4nico) e BSPP (paralelo)<\/td><td>Sempre c\u00f4nico (exceto NPS)<\/td><\/tr>\n<tr><th>Selagem<\/th><td>BSPP requer um anel de veda\u00e7\u00e3o; BSPT requer selante<\/td><td>Requer selante de rosca<\/td><\/tr>\n<tr><th>Uso geogr\u00e1fico<\/th><td>Reino Unido, Austr\u00e1lia, Europa, \u00c1sia<\/td><td>EUA, Canad\u00e1<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>BSP e NPT s\u00e3o compat\u00edveis?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o, as roscas BSP e NPT n\u00e3o s\u00e3o compat\u00edveis devido aos seus diferentes \u00e2ngulos, formatos e mecanismos de veda\u00e7\u00e3o. Mesmo que pare\u00e7am encaixar, n\u00e3o criar\u00e3o uma veda\u00e7\u00e3o adequada, podendo causar vazamentos ou falhas no sistema. Se precisar conectar componentes BSP e NPT, use sempre um adaptador BSP para NPT espec\u00edfico, em vez de for\u00e7ar as roscas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exce\u00e7\u00e3o:<\/strong> Alguns casos permitem que BSPT e NPT sejam usados juntos em aplica\u00e7\u00f5es de baixa press\u00e3o, mas n\u00e3o \u00e9 recomendado para sistemas cr\u00edticos ou de alta press\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Como identificar roscas BSP vs NPT<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para determinar se voc\u00ea est\u00e1 trabalhando com roscas BSP ou NPT:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Verifique o \u00e2ngulo da rosca<\/strong> \u2013 Use um medidor de rosca para medir o \u00e2ngulo (55\u00b0 = BSP, 60\u00b0 = NPT).<\/li>\n\n\n\n<li><strong>Observe a forma<\/strong> \u2013 As roscas BSP t\u00eam roscas arredondadas, enquanto as roscas NPT t\u00eam picos planos e afiados.<\/li>\n\n\n\n<li><strong>Medir a conicidade<\/strong> \u2013 Se for paralelo, provavelmente \u00e9 BSPP; se for c\u00f4nico, pode ser BSPT ou NPT.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Aplica\u00e7\u00f5es industriais de roscas BSP e NPT<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Onde as conex\u00f5es NPT s\u00e3o usadas?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Encanamento (tubula\u00e7\u00f5es de \u00e1gua e g\u00e1s)<\/li>\n\n\n\n<li>Ind\u00fastrias de petr\u00f3leo e g\u00e1s<\/li>\n\n\n\n<li>Sistemas de compress\u00e3o de ar<\/li>\n\n\n\n<li>V\u00e1lvulas de esfera industriais<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Onde as roscas BSP s\u00e3o usadas?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sistemas hidr\u00e1ulicos e pneum\u00e1ticos<\/li>\n\n\n\n<li>Esta\u00e7\u00f5es de tratamento de \u00e1gua<\/li>\n\n\n\n<li>Irriga\u00e7\u00e3o agr\u00edcola<\/li>\n\n\n\n<li>V\u00e1lvulas de esfera industriais em mercados fora dos EUA<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Perguntas frequentes<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>O que significa NPT?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NPT significa <strong>Fio de cachimbo nacional<\/strong>, o padr\u00e3o dos EUA para roscas de tubos c\u00f4nicos, usado principalmente em aplica\u00e7\u00f5es industriais e de encanamento.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9 poss\u00edvel misturar roscas BSP e NPT?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o, as roscas BSP e NPT t\u00eam \u00e2ngulos e mecanismos de veda\u00e7\u00e3o diferentes, o que as torna incompat\u00edveis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Como identifico uma rosca BSP?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Verifique se h\u00e1 um \u00e2ngulo de rosca de 55\u00b0 e picos arredondados. Se a rosca for paralela, \u00e9 BSPP; se for c\u00f4nica, \u00e9 BSPT.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>As conex\u00f5es NPT requerem selante?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sim, as conex\u00f5es NPT exigem um selante de rosca, como fita de Teflon ou lubrificante para tubos, para evitar vazamentos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Quais ind\u00fastrias usam BSP e NPT?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O BSP \u00e9 comum na Europa, Austr\u00e1lia e \u00c1sia, enquanto o NPT \u00e9 usado principalmente nos EUA e Canad\u00e1 para tubula\u00e7\u00f5es industriais e sistemas de g\u00e1s.<\/p>\n\n\n\n<div class=\"ovm-cta-block\">\n<style>\n.ovm-cta-block{margin:32px 0;background:#eaf2fa;border:1px solid #cfe0f0;border-radius:14px;padding:36px 32px;color:#0b3a66;box-shadow:0 3px 14px rgba(11,58,102,.08);}\n.ovm-cta-block h2{color:#0b3a66 !important;font-size:22px;margin:0 0 14px;}\n.ovm-cta-block p{color:#3d4a5c;font-size:14.5px;line-height:1.65;margin:0 0 18px;}\n.ovm-cta-range-title{margin:0 0 14px;font-weight:600;color:#0b3a66;font-size:15px;}\n.ovm-cta-range-title a{color:#0b5fa5;text-decoration:underline;text-underline-offset:3px;}\n.ovm-cta-range-title a:hover{color:#0b3a66;}\n.ovm-cta-flow{margin:0 0 22px;}\n.ovm-cta-flow-item{display:flex;align-items:flex-start;gap:14px;background:#ffffff;border:1px solid #dce5ee;border-radius:8px;padding:14px 16px;margin-bottom:10px;box-shadow:0 1px 3px rgba(15,35,65,.05);}\n.ovm-cta-flow-item:last-child{margin-bottom:0;}\n.ovm-cta-flow-dot{flex:none;width:10px;height:10px;border-radius:50%;background:#0b5fa5;margin-top:6px;}\n.ovm-cta-flow-text{font-size:13.5px;color:#3d4a5c;line-height:1.5;}\n.ovm-cta-flow-text strong{color:#0b3a66;}\n.ovm-cta-btn{display:inline-block;background:#0b5fa5;color:#ffffff !important;font-weight:700;font-size:14px;padding:12px 28px;border-radius:6px;text-decoration:none;transition:background .15s ease;}\n.ovm-cta-btn:hover{background:#0b3a66;}\n<\/style>\n\n<h2>Por que escolher a Onero Valve para suas necessidades de v\u00e1lvulas de esfera industriais?<\/h2>\n<p>Na Onero Valve, todas as v\u00e1lvulas de esfera do nosso cat\u00e1logo podem ser configuradas com conex\u00f5es roscadas BSP ou NPT para atender aos padr\u00f5es de tubula\u00e7\u00e3o da sua regi\u00e3o \u2014 sem necessidade de adaptadores. Como fabricante confi\u00e1vel com certifica\u00e7\u00f5es ISO9001, API6D e CE, garantimos precis\u00e3o, durabilidade e desempenho em todos os nossos produtos.<\/p>\n\n<p class=\"ovm-cta-range-title\"><a href=\"https:\/\/www.onerovalve.com\/pt\/products\/\" target=\"_blank\" rel=\"noopener\">Nossa linha de produtos inclui:<\/a><\/p>\n<div class=\"ovm-cta-flow\">\n<div class=\"ovm-cta-flow-item\"><span class=\"ovm-cta-flow-dot\"><\/span><span class=\"ovm-cta-flow-text\"><strong>V\u00e1lvulas de esfera flutuantes<\/strong> \u2014 Autoajust\u00e1vel e compacto para diversas aplica\u00e7\u00f5es industriais.<\/span><\/div>\n<div class=\"ovm-cta-flow-item\"><span class=\"ovm-cta-flow-dot\"><\/span><span class=\"ovm-cta-flow-text\"><strong>V\u00e1lvulas de esfera munh\u00e3o<\/strong> \u2014 Est\u00e1vel sob alta press\u00e3o.<\/span><\/div>\n<div class=\"ovm-cta-flow-item\"><span class=\"ovm-cta-flow-dot\"><\/span><span class=\"ovm-cta-flow-text\"><strong>V\u00e1lvulas de esfera de entrada superior<\/strong> \u2014 Manuten\u00e7\u00e3o f\u00e1cil gra\u00e7as ao design com acesso superior.<\/span><\/div>\n<div class=\"ovm-cta-flow-item\"><span class=\"ovm-cta-flow-dot\"><\/span><span class=\"ovm-cta-flow-text\"><strong>V\u00e1lvulas de esfera de assento r\u00edgido<\/strong> \u2014 Maior durabilidade para ambientes extremos.<\/span><\/div>\n<div class=\"ovm-cta-flow-item\"><span class=\"ovm-cta-flow-dot\"><\/span><span class=\"ovm-cta-flow-text\"><strong>V\u00e1lvulas de esfera totalmente soldadas<\/strong> \u2014 M\u00e1xima preven\u00e7\u00e3o de vazamentos com um corpo monobloco.<\/span><\/div>\n<\/div>\n\n<p>Com mais de tr\u00eas d\u00e9cadas de experi\u00eancia, a Onero Valve lidera o setor com fabrica\u00e7\u00e3o avan\u00e7ada, inova\u00e7\u00e3o e garantia de qualidade. Seja qual for a sua necessidade, conex\u00f5es BSP ou NPT, oferecemos a melhor solu\u00e7\u00e3o personalizada. Entre em contato conosco hoje mesmo para encontrar a v\u00e1lvula de esfera industrial ideal para a sua aplica\u00e7\u00e3o!<\/p>\n\n<a href=\"https:\/\/www.onerovalve.com\/pt\/\" target=\"_blank\" rel=\"noopener\" class=\"ovm-cta-btn\">Visite Onero Valve<\/a>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Por que escolher a Onero Valve para suas necessidades de v\u00e1lvulas de esfera industriais?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na Onero Valve, todas as v\u00e1lvulas de esfera do nosso cat\u00e1logo podem ser... <a href=\"https:\/\/www.onerovalve.com\/pt\/contact\/\" data-type=\"link\" data-id=\"https:\/\/onerovalve.com\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">configurado com conex\u00f5es roscadas BSP ou NPT<\/a> para atender ao padr\u00e3o de tubula\u00e7\u00e3o da sua regi\u00e3o \u2014 sem necessidade de adaptadores. Como fabricante confi\u00e1vel com certifica\u00e7\u00f5es ISO9001, API6D e CE, garantimos precis\u00e3o, durabilidade e desempenho em todos os nossos produtos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.onerovalve.com\/pt\/products\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Nossa linha de produtos inclui:<\/strong><\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00e1lvulas de esfera flutuantes<\/strong> \u2013 Autoajust\u00e1vel e compacto para diversas aplica\u00e7\u00f5es industriais.<\/li>\n\n\n\n<li><strong>V\u00e1lvulas de esfera munh\u00e3o<\/strong> \u2013 Est\u00e1vel sob alta press\u00e3o.<\/li>\n\n\n\n<li><strong>V\u00e1lvulas de esfera de entrada superior<\/strong> \u2013 F\u00e1cil manuten\u00e7\u00e3o com design de acesso superior.<\/li>\n\n\n\n<li><strong>V\u00e1lvulas de esfera de assento r\u00edgido<\/strong> \u2013 Maior durabilidade para ambientes extremos.<\/li>\n\n\n\n<li><strong>V\u00e1lvulas de esfera totalmente soldadas<\/strong> \u2013 M\u00e1xima preven\u00e7\u00e3o de vazamentos com corpo de pe\u00e7a \u00fanica.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Com mais de tr\u00eas d\u00e9cadas de experi\u00eancia, a Onero Valve lidera a ind\u00fastria com fabrica\u00e7\u00e3o avan\u00e7ada, inova\u00e7\u00e3o e garantia de qualidade. Se voc\u00ea precisa de conex\u00f5es BSP ou NPT, n\u00f3s fornecemos a melhor solu\u00e7\u00e3o sob medida para suas necessidades. Entre em contato conosco hoje mesmo para encontrar a v\u00e1lvula de esfera industrial certa para sua aplica\u00e7\u00e3o!<a href=\"https:\/\/www.onerovalve.com\/pt\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Visite Onero Valve<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>When dealing with pipe thread connections, you\u2019ve likely come across the terms BSP thread and NPT fitting. These two threading standards are widely used in industrial<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2312,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BSP vs NPT Thread: Differences, Sizes &amp; Which to Choose<\/title>\n<meta name=\"description\" content=\"BSP and NPT threads aren&#039;t interchangeable. See the full comparison table (angle, TPI, sealing) and find valves pre-configured for either standard.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.onerovalve.com\/pt\/blog\/bsp-vs-npt\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BSP vs NPT Thread: Differences, Sizes &amp; Which to Choose\" \/>\n<meta property=\"og:description\" content=\"BSP and NPT threads aren&#039;t interchangeable. 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