{"id":5292,"date":"2026-07-20T09:00:00","date_gmt":"2026-07-20T01:00:00","guid":{"rendered":"https:\/\/www.aox-actuator.com\/?p=5292"},"modified":"2026-07-31T13:53:02","modified_gmt":"2026-07-31T05:53:02","slug":"3-way-valve-l-port-vs-t-port-guide","status":"publish","type":"post","link":"https:\/\/www.aox-actuator.com\/pt\/blog\/electric-valve\/3-way-valve-l-port-vs-t-port-guide\/","title":{"rendered":"V\u00e1lvula de 3 Vias com Atuador El\u00e9trico: Guia de Configura\u00e7\u00e3o L-Port vs T-Port"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Normalmente, aqueles que compram uma v\u00e1lvula de 3 vias com um atuador el\u00e9trico est\u00e3o cientes da sua necessidade de desviar ou misturar fluxos de fluidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O que se torna o problema \u00e9 qual configura\u00e7\u00e3o de porta selecionar. As v\u00e1lvulas com Portas L ou Portas T t\u00eam quase o mesmo design, pre\u00e7o igual e tamanhos de montagem iguais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A diferen\u00e7a interna faz com que essas v\u00e1lvulas operem de maneiras opostas. Especificar a errada faz com que seu sistema falhe em realizar as opera\u00e7\u00f5es necess\u00e1rias.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 um <strong>V\u00e1lvula de 3 Vias com Atuador El\u00e9trico<\/strong>?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ao contr\u00e1rio das v\u00e1lvulas regulares, existem tr\u00eas conex\u00f5es para tubos em vez das duas conex\u00f5es regulares. A esfera \u00e9 perfurada e h\u00e1 um furo conectando quaisquer duas portas das tr\u00eas dispon\u00edveis em cada posi\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ao adicionar um atuador el\u00e9trico, o controle remoto da v\u00e1lvula pode ser alcan\u00e7ado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um sinal de um CLP, temporizador ou sistema de gerenciamento predial aciona o motor do atuador, que gira a esfera para a posi\u00e7\u00e3o desejada. Essa combina\u00e7\u00e3o \u00e9 o que torna uma <strong>v\u00e1lvula de esfera el\u00e9trica de 3 vias<\/strong> \u00fatil em sistemas automatizados.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Linhas de processo, circuitos de HVAC e <a href=\"https:\/\/www.aox-actuator.com\/pt\/solutions\/chemical-solution\/\" target=\"_blank\" rel=\"noreferrer noopener\">configura\u00e7\u00f5es de dosagem qu\u00edmica<\/a> beneficiam-se da comuta\u00e7\u00e3o remota de fluxo sem acesso manual \u00e0 v\u00e1lvula.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A principal diferen\u00e7a entre um circuito de 3 vias e apenas duas v\u00e1lvulas de duas vias independentes \u00e9 o design compacto e a comuta\u00e7\u00e3o simult\u00e2nea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um atuador comuta uma v\u00e1lvula, e ambos os caminhos de fluxo comutam simultaneamente. N\u00e3o h\u00e1 atraso de tempo entre duas comuta\u00e7\u00f5es de v\u00e1lvula independentes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Porta L vs Porta T: Qual \u00e9 a Diferen\u00e7a?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A forma do furo dentro da esfera \u00e9 o que define a configura\u00e7\u00e3o da porta. Isso vale a pena entender antes de qualquer outra coisa.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"427\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-1200x427.webp\" alt=\"\" class=\"wp-image-5294\" srcset=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-1200x427.webp 1200w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-500x178.webp 500w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-300x107.webp 300w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-768x273.webp 768w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-1536x546.webp 1536w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-18x6.webp 18w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-150x53.webp 150w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-480x171.webp 480w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port-800x285.webp 800w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/07\/L-Port-vs-T-Port.webp 1709w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Configura\u00e7\u00e3o de Porta L<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uma esfera com porta L tem um furo de 90 graus cortado nela, em forma de L.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em qualquer posi\u00e7\u00e3o dada, ela conecta duas portas enquanto a terceira permanece completamente bloqueada. Girar a esfera 90 graus muda quais duas portas s\u00e3o conectadas, ainda deixando uma fechada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma v\u00e1lvula com porta L s\u00f3 pode conectar duas de suas tr\u00eas portas por vez. Ela n\u00e3o pode abrir as tr\u00eas simultaneamente.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso a torna uma v\u00e1lvula desviadora. O fluido vindo de uma entrada \u00e9 direcionado para a sa\u00edda A ou B, nunca para ambas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Configura\u00e7\u00e3o de Porta T<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uma esfera com porta T tem um furo em forma de T que atravessa o centro da esfera. Em uma posi\u00e7\u00e3o, ela conecta as tr\u00eas portas simultaneamente, permitindo que o fluido flua em qualquer dire\u00e7\u00e3o atrav\u00e9s do manifold.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Girar 90 graus muda a configura\u00e7\u00e3o, mas ao contr\u00e1rio da porta L, h\u00e1 uma posi\u00e7\u00e3o intermedi\u00e1ria onde as tr\u00eas portas est\u00e3o abertas ao mesmo tempo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essa conex\u00e3o simult\u00e2nea \u00e9 tanto a for\u00e7a quanto a limita\u00e7\u00e3o do design de porta T. Ela permite misturar de duas entradas em uma sa\u00edda, ou dividir de uma entrada em duas sa\u00eddas.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mas em algumas posi\u00e7\u00f5es, caminhos de fluxo que deveriam ser separados s\u00e3o brevemente conectados durante a rota\u00e7\u00e3o. Para aplica\u00e7\u00f5es de comuta\u00e7\u00e3o onde a contamina\u00e7\u00e3o cruzada entre linhas \u00e9 uma preocupa\u00e7\u00e3o, isso importa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mistura vs. Desvio: Qual Porta Voc\u00ea Precisa?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A fun\u00e7\u00e3o da aplica\u00e7\u00e3o determina a escolha da porta. Errar nisso \u00e9 o erro de especifica\u00e7\u00e3o mais comum em projetos de v\u00e1lvulas de 3 vias.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quando Escolher Porta L<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A porta L \u00e9 correta quando a v\u00e1lvula precisa comutar o fluxo entre duas sa\u00eddas sem nunca conect\u00e1-las uma \u00e0 outra. A comuta\u00e7\u00e3o de tanques \u00e9 um exemplo t\u00edpico.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma entrada alimenta o tanque A ou o tanque B, e os dois tanques nunca devem ser conectados ao mesmo caminho de fluxo simultaneamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Circuitos de \u00e1gua de resfriamento que alternam entre dois trocadores de calor usam a mesma l\u00f3gica. Uma v\u00e1lvula de 3 vias <strong>atuador el\u00e9trico desviador<\/strong> em configura\u00e7\u00e3o de porta L lida com isso de forma limpa, sem risco de fluxo cruzado durante a comuta\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quando Escolher Porta T<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A porta T \u00e9 a escolha certa quando a aplica\u00e7\u00e3o envolve a mistura de dois fluxos em um, ou a divis\u00e3o de um fluxo em dois.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sistemas de tratamento qu\u00edmico que <a href=\"https:\/\/www.aox-actuator.com\/pt\/blog\/electric-actuator\/3-way-modulating-actuators-precise-fluid-mixing\/\" target=\"_blank\" rel=\"noreferrer noopener\">misturam reagente com \u00e1gua de processo<\/a> antes de uma fase de rea\u00e7\u00e3o s\u00e3o um exemplo comum.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Assim s\u00e3o os circuitos de bypass, onde o fluxo pode ser direcionado atrav\u00e9s de um trocador de calor, ao redor dele, ou dividido entre os dois caminhos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">UM <strong>V\u00e1lvula motorizada de 3 vias<\/strong> em configura\u00e7\u00e3o de porta T tamb\u00e9m \u00e9 comum em sistemas solares t\u00e9rmicos. L\u00e1, o controlador mistura o retorno quente do coletor com a \u00e1gua mais fria do tanque para manter uma temperatura de sa\u00edda alvo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A Posi\u00e7\u00e3o Que Pega as Pessoas de Surpresa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1lvulas com porta T t\u00eam uma posi\u00e7\u00e3o de zona morta que v\u00e1lvulas com porta L n\u00e3o t\u00eam. Quando uma esfera com porta T gira 90 graus, h\u00e1 um breve momento em que todas as tr\u00eas portas s\u00e3o conectadas simultaneamente.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na maioria das aplica\u00e7\u00f5es, isso n\u00e3o \u00e9 um problema, pois a transi\u00e7\u00e3o \u00e9 r\u00e1pida. Em aplica\u00e7\u00f5es onde mesmo uma conex\u00e3o cruzada moment\u00e2nea entre linhas causaria um problema de seguran\u00e7a ou contamina\u00e7\u00e3o, a porta L \u00e9 a \u00fanica escolha aceit\u00e1vel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como Acoplar o Atuador El\u00e9trico a uma V\u00e1lvula de 3 Vias<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p class=\"wp-block-paragraph\">Um padr\u00e3o <a href=\"https:\/\/www.aox-actuator.com\/pt\/quarter-turn-valve-actuator-manufacturer-2992\/\" target=\"_blank\" rel=\"noreferrer noopener\">Atuador el\u00e9trico de quarto de volta<\/a> viaja 90 graus. Isso cobre completamente a comuta\u00e7\u00e3o da porta L, j\u00e1 que a porta L requer apenas 90 graus de rota\u00e7\u00e3o para se mover entre suas duas posi\u00e7\u00f5es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A porta T \u00e9 onde as coisas ficam mais espec\u00edficas. Uma v\u00e1lvula de porta T que necessita de todas as tr\u00eas fun\u00e7\u00f5es.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">requer um atuador que pare com precis\u00e3o em intervalos de 90 graus em ambas as dire\u00e7\u00f5es.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<style>\n  .hero-recommendation-vertical {\n    max-width: 420px;\n    margin: 32px auto;\n    background: #fff;\n    border-radius: 16px;\n    box-shadow: 0 4px 18px 0 rgba(60, 66, 87, 0.10);\n    overflow: hidden;\n    transition: box-shadow 0.2s;\n  }\n  .hero-link-vertical {\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    text-decoration: none;\n    color: inherit;\n    width: 100%;\n    transition: background 0.2s;\n  }\n  .hero-link-vertical:hover {\n    background: #f8f9fa;\n  }\n  .hero-image-vertical img {\n    display: block;\n    width: 100%;\n    height: 210px;\n    object-fit: cover;\n    background: #f4f4f4;\n  }\n  .hero-content-vertical {\n    padding: 28px 22px 24px 22px;\n    text-align: center;\n    width: 100%;\n  }\n  .hero-content-vertical h2 {\n    margin: 0 0 12px 0;\n    font-size: 1.3rem;\n    font-weight: 700;\n    color: #263238;\n    letter-spacing: 0.01rem;\n  }\n  .hero-content-vertical p {\n    margin: 0 0 18px 0;\n    font-size: 1rem;\n    color: #546e7a;\n    line-height: 1.5;\n  }\n  .hero-btn-vertical {\n    padding: 10px 26px;\n    background: #ffc107; \/* Changed button background color *\/\n    border: none;\n    border-radius: 6px;\n    font-size: 1rem;\n    font-weight: 600;\n    color: #fff;\n    cursor: pointer;\n    transition: background 0.2s, color 0.2s;\n    box-shadow: 0 2px 8px rgba(255,193,7,0.10); \/* Adjusted shadow color *\/\n  }\n  .hero-btn-vertical:hover {\n    background: #e0a800; \/* Darkened color for hover effect (approx 10-15%) *\/\n  }\n  @media (max-width: 600px) {\n    .hero-recommendation-vertical {\n      max-width: 98vw;\n    }\n    .hero-image-vertical img {\n      height: 160px;\n    }\n    .hero-content-vertical {\n      padding: 18px 8px 16px 8px;\n    }\n  }\n<\/style>\n<div class=\"hero-recommendation-vertical\">\n  <a href=\"https:\/\/www.aox-actuator.com\/pt\/product\/aox-vr-series-electric-actuator\/\" class=\"hero-link-vertical\" target=\"_blank\" rel=\"noopener\">\n    <div class=\"hero-image-vertical\">\n      <img decoding=\"async\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-VR-series-electric-actuator.webp\" alt=\"Atuador de v\u00e1lvula el\u00e9trica s\u00e9rie AOX-VR\">\n    <\/div>\n    <div class=\"hero-content-vertical\">\n      <p><strong>Atuador de v\u00e1lvula el\u00e9trica s\u00e9rie AOX-VR<\/strong><\/p>\n      <p>\n      A s\u00e9rie \u201cAOX-VR\u201d apresenta uma estrutura compacta com excelente resist\u00eancia \u00e0s intemp\u00e9ries e resist\u00eancia ao choque.\n      <\/p>\n      <button class=\"hero-btn-vertical\">Explore Produtos e Solu\u00e7\u00f5es<\/button>\n    <\/div>\n  <\/a>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Alternativamente, necessita de um com uma op\u00e7\u00e3o de controle de 3 posi\u00e7\u00f5es integrada. Nem todos os atuadores de quarto de volta suportam a opera\u00e7\u00e3o de 3 posi\u00e7\u00f5es nativamente.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O que confirmar antes de encomendar <strong>Tr\u00eas coisas precisam corresponder entre a v\u00e1lvula e o <\/strong>atuadores el\u00e9tricos de v\u00e1lvula de 3 vias.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>no mercado.<\/strong>Acionamento da haste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>: O soquete de acionamento do atuador deve corresponder ao perfil da haste da v\u00e1lvula. ISO 5211 F05 \u00e9 o padr\u00e3o mais comum para atuadores de quarto de volta de montagem direta nesta faixa de tamanho.<\/strong>Torque de sa\u00edda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sinal de controle<\/strong>: V\u00e1lvulas de esfera de 3 vias ter\u00e3o um torque operacional ligeiramente aumentado em compara\u00e7\u00e3o com v\u00e1lvulas de 2 vias com classifica\u00e7\u00e3o de press\u00e3o igual, pois entram em contato com tr\u00eas faces de veda\u00e7\u00e3o em vez de duas. Forne\u00e7a uma margem de 25% sobre o torque nominal para a v\u00e1lvula, conforme declarado pelo fabricante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.aox-actuator.com\/pt\/product-category\/electric-actuator\/quarter-turn-electric-actuator\/\">: Se a configura\u00e7\u00e3o T de 3 posi\u00e7\u00f5es for necess\u00e1ria, certifique-se de que o atuador possa lidar com 3 posi\u00e7\u00f5es, o que pode envolver dois sinais bin\u00e1rios distintos.<\/a><a href=\"https:\/\/www.aox-actuator.com\/pt\/product-category\/electric-actuator\/quarter-turn-electric-actuator\/\" target=\"_blank\" rel=\"noreferrer noopener\">e<\/a><a href=\"https:\/\/www.aox-actuator.com\/pt\/product-category\/electric-actuator\/quarter-turn-electric-actuator\/\">Atuadores el\u00e9tricos de quarto de volta AOX<\/a> suportam montagem direta em padr\u00f5es ISO 5211 e cobrem <a href=\"https:\/\/www.aox-actuator.com\/pt\/blog\/selection\/electric-valve-actuator-torque-sizing-specs\/\" target=\"_blank\" rel=\"noreferrer noopener\">sa\u00eddas de torque<\/a> de 30 Nm a 6.000 Nm. Sua op\u00e7\u00e3o de controle de 3 posi\u00e7\u00f5es \u00e9 adequada para aplica\u00e7\u00f5es de v\u00e1lvulas de porta T onde a parada na posi\u00e7\u00e3o intermedi\u00e1ria \u00e9 necess\u00e1ria.<\/p>\n\n\n\n<!-- ============ AOX 3-Way Valve \u2014 Wiring & Control Signal Callout Box ============ -->\n<!-- Theme: AOX yellow #FCCB22 \u00b7 White bg + black copy \u00b7 Yellow accents        -->\n<!-- Paste into a Gutenberg \"Custom HTML\" block directly AFTER the section:    -->\n<!--   \"How to Match the Electric Actuator to a 3-Way Valve\"                   -->\n<!--   (= right BEFORE \"What to Confirm Before Ordering\")                      -->\n<!-- OR alternatively inline right inside \"What to Confirm Before Ordering\"    -->\n<!--   between the intro sentence and the 3-item bullet list.                  -->\n<style>\n\/* Tokens \u2014 identical palette to the AOX Water Hammer Calculator module *\/\n:root {\n  --aox-brand: #FCCB22;\n  --aox-brand-on: #FFFFFF;\n  --aox-brand-soft: #FFF8DC;\n  --aox-text: #171717;\n  --aox-text-muted: #52525B;\n  --aox-border: rgba(23,23,23,0.12);\n  --aox-surface: #FFFFFF;\n  --aox-success: #1DC981;\n  --aox-warning: #EFAA17;\n  --aox-danger: #E8463A;\n  --aox-r: 8px;\n  --aox-rc: 12px;\n  --aox-rf: 999px;\n  --aox-s4: 4px;\n  --aox-s8: 8px;\n  --aox-s12: 12px;\n  --aox-s16: 16px;\n  --aox-s20: 20px;\n  --aox-s24: 24px;\n  --aox-fsans: \"SF Pro Text\",\"PingFang SC\",system-ui,-apple-system,\"Segoe UI\",Roboto,sans-serif;\n  --aox-fmono: \"JetBrains Mono\",ui-monospace,\"SF Mono\",Menlo,Consolas,monospace;\n}\n@media (prefers-color-scheme: dark) {\n  :root {\n    --aox-text: #E5E5E5;\n    --aox-text-muted: #A1A1AA;\n    --aox-border: rgba(229,229,229,0.12);\n    --aox-surface: #171717;\n    --aox-brand-soft: #3A2E00;\n  }\n}\n.ao3 {\n  box-sizing: border-box;\n  font: 400 14px\/20px var(--aox-fsans);\n  color: var(--aox-text);\n  max-width: 860px;\n  margin: 24px 0;\n}\n.ao3 * { box-sizing: border-box; }\n\n\/* ---------- Callout Box (White card + Black copy + AOX yellow accents) ---------- *\/\n.ao3-co {\n  display: flex;\n  gap: var(--aox-s16);\n  padding: var(--aox-s20);\n  border-radius: var(--aox-rc);\n  background: #FFFFFF;                        \/* white card per AOX convention *\/\n  border: 1px solid var(--aox-border);\n  border-left: 4px solid var(--aox-brand);   \/* AOX yellow left bar = highlight *\/\n  box-shadow: 0 1px 3px rgba(0,0,0,0.04);\n}\n.ao3-co-ico {\n  flex: 0 0 auto;\n  width: 40px;\n  height: 40px;\n  border-radius: var(--aox-r);\n  background: var(--aox-brand);              \/* AOX yellow icon square *\/\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  color: #FFFFFF;                            \/* white icon on yellow *\/\n}\n.ao3-co-body { flex: 1; min-width: 0; }\n.ao3-co-tag {\n  display: inline-block;\n  padding: 2px var(--aox-s8);\n  border-radius: var(--aox-rf);\n  background: var(--aox-brand);              \/* AOX yellow tag *\/\n  color: #171717;                            \/* black text on yellow tag *\/\n  font: 600 12px\/18px var(--aox-fsans);\n  margin-bottom: var(--aox-s8);\n}\n.ao3-co-title {\n  margin: 0 0 var(--aox-s8);\n  font: 600 16px\/24px var(--aox-fsans);\n  color: #171717;                            \/* black title *\/\n}\n.ao3-co-txt {\n  margin: 0 0 var(--aox-s12);\n  line-height: 1.7;\n  color: #171717;                            \/* black body copy *\/\n}\n.ao3-co-txt strong { font-weight: 700; }\n.ao3-co-txt em { font-style: italic; color: inherit; }\n\n\/* Highlighted inline code \/ 3-wire vs 4-5-wire tokens (AOX yellow pill) *\/\n.ao3-pill {\n  display: inline-block;\n  padding: 1px var(--aox-s8);\n  background: var(--aox-brand);\n  color: #171717;\n  border-radius: var(--aox-rf);\n  font: 600 12px\/18px var(--aox-fmono);\n  margin: 0 2px;\n  white-space: nowrap;\n}\n\n\/* Formula \/ spec block \u2014 dark bg + AOX yellow border + WHITE text per user request\n   Background darkened to #171717 so the requested white text is legible;\n   the 1px AOX yellow border is preserved to maintain visual brand continuity. *\/\n.ao3-spec {\n  display: block;\n  padding: var(--aox-s8) var(--aox-s12);\n  background: #171717;\n  border: 1px solid var(--aox-brand);\n  border-radius: var(--aox-r);\n  font: 500 13px\/20px var(--aox-fmono);\n  color: #FFFFFF;\n  margin: var(--aox-s8) 0;\n}\n\n\/* Recommendation strip (green \u2714\ufe0e \/ red \u2718 \/ yellow \u26a0 grid) *\/\n.ao3-rec {\n  display: inline-flex;\n  align-items: center;\n  gap: var(--aox-s8);\n  padding: var(--aox-s8) var(--aox-s12);\n  background: var(--aox-brand);\n  border: 1px solid var(--aox-brand);\n  border-radius: var(--aox-r);\n  font: 600 14px\/20px var(--aox-fsans);\n  color: #171717;\n}\n\n\/* ---------- Mini wiring comparison table (white surface, yellow header) ---------- *\/\n.ao3-tbl {\n  margin-top: var(--aox-s16);\n  border-radius: var(--aox-r);\n  overflow: hidden;\n  border: 1px solid var(--aox-border);\n}\n.ao3-tbl-row {\n  display: grid;\n  grid-template-columns: 28% 36% 36%;\n}\n.ao3-tbl-row.ao3-head {\n  background: var(--aox-brand);             \/* AOX yellow header *\/\n  color: #171717;                           \/* black text on yellow *\/\n  font: 600 12px\/18px var(--aox-fsans);\n}\n.ao3-tbl-row > div {\n  padding: var(--aox-s8) var(--aox-s12);\n  font: 400 12px\/18px var(--aox-fsans);\n  color: #171717;\n  border-right: 1px solid var(--aox-border);\n}\n.ao3-tbl-row > div:last-child { border-right: 0; }\n.ao3-tbl-row:nth-child(even) > div { background: #FAFAFA; }\n.ao3-tbl-row:nth-child(odd):not(.ao3-head) > div { background: #FFFFFF; }\n.ao3-tbl-row.ao3-head > div { border-right-color: rgba(23,23,23,0.08); }\n.ao3-badge-ok { display:inline-block; padding:1px 6px; border-radius:var(--aox-rf); background:rgba(29,201,129,.12); color:#0F8A55; font:600 11px\/16px var(--aox-fsans); }\n.ao3-badge-warn { display:inline-block; padding:1px 6px; border-radius:var(--aox-rf); background:rgba(239,170,23,.14); color:#8A5A00; font:600 11px\/16px var(--aox-fsans); }\n\n\/* ---------- CTA strip at the bottom of the callout ---------- *\/\n.ao3-cta {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: var(--aox-s16);\n  margin-top: var(--aox-s16);\n  padding: var(--aox-s12) var(--aox-s16);\n  background: var(--aox-brand);             \/* AOX yellow bar *\/\n  border-radius: var(--aox-r);\n  flex-wrap: wrap;\n}\n.ao3-cta-text { flex: 1; min-width: 240px; }\n.ao3-cta-title {\n  margin: 0;\n  font: 600 14px\/20px var(--aox-fsans);\n  color: #171717;\n}\n.ao3-cta-desc {\n  margin: 2px 0 0;\n  font: 400 12px\/18px var(--aox-fsans);\n  color: #171717;\n  opacity: 0.9;\n}\n.ao3-cta-btn {\n  flex: 0 0 auto;\n  display: inline-flex;\n  align-items: center;\n  gap: var(--aox-s8);\n  padding: var(--aox-s8) var(--aox-s16);\n  background: #FFFFFF;                       \/* white button on yellow *\/\n  color: #171717;                            \/* black text on white *\/\n  border: 0;\n  border-radius: var(--aox-r);\n  font: 600 13px\/20px var(--aox-fsans);\n  cursor: pointer;\n  text-decoration: none;\n  transition: transform 120ms ease, box-shadow 120ms ease;\n  box-shadow: 0 1px 3px rgba(0,0,0,0.08);\n}\n.ao3-cta-btn:hover {\n  transform: translateY(-1px);\n  box-shadow: 0 4px 10px rgba(0,0,0,0.12);\n}\n@media (max-width: 560px) {\n  .ao3-tbl-row { grid-template-columns: 1fr; }\n  .ao3-tbl-row > div { border-right: 0; border-bottom: 1px solid var(--aox-border); }\n  .ao3-tbl-row > div:last-child { border-bottom: 0; }\n  .ao3-co { flex-direction: column; }\n}\n<\/style>\n\n<div class=\"ao3\" id=\"ao3-wiring\">\n\n  <!-- ========== Callout Box ========== -->\n  <div class=\"ao3-co\">\n    <div class=\"ao3-co-ico\" aria-hidden=\"true\">\n      <!-- Wiring \/ PLC icon (3 lines + plug) -->\n      <svg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n        <rect x=\"3\" y=\"5\" width=\"18\" height=\"14\" rx=\"2\"\/>\n        <path d=\"M7 9h.01M7 13h.01M7 17h.01\"\/>\n        <path d=\"M11 9h6M11 13h6M11 17h4\"\/>\n        <circle cx=\"20\" cy=\"9\" r=\"0.8\" fill=\"currentColor\" stroke=\"none\"\/>\n        <circle cx=\"20\" cy=\"13\" r=\"0.8\" fill=\"currentColor\" stroke=\"none\"\/>\n      <\/svg>\n    <\/div>\n\n    <div class=\"ao3-co-body\">\n      <span class=\"ao3-co-tag\">Nota de Engenharia B2B<\/span>\n      <h4 class=\"ao3-co-title\">Fia\u00e7\u00e3o e Sinal de Controle \u2014 Porta T de 2 Posi\u00e7\u00f5es vs. 3 Posi\u00e7\u00f5es<\/h4>\n\n      <p class=\"ao3-co-txt\">\n        Padr\u00e3o <strong>2 posi\u00e7\u00f5es<\/strong> (porta L) os atuadores usam um simples\n        <span class=\"ao3-pill\">3 fios<\/span> esquema de controle:\n        <em>L (Live), N (Neutro), SW (Switch)<\/em>. Tudo o que voc\u00ea precisa \u00e9 de uma sa\u00edda digital do PLC.\n      <\/p>\n      <p class=\"ao3-co-txt\">\n        No entanto, <strong>aplica\u00e7\u00f5es de porta T de 3 posi\u00e7\u00f5es<\/strong> que exigem uma parada precisa no meio do curso (todas as tr\u00eas portas conectadas) precisam de uma\n        <span class=\"ao3-pill\">configura\u00e7\u00e3o de 4 fios<\/span> para\n        <span class=\"ao3-pill\">5 fios<\/span> com <strong>dois sinais bin\u00e1rios independentes<\/strong>, <span class=\"ao3-pill\">ou uma entrada modulante anal\u00f3gica de<\/span> \/ <span class=\"ao3-pill\">4\u201320 mA<\/span>\n        0\u201310 V <em>\u2014<\/em>.\n      <\/p>\n\n      <span class=\"ao3-spec\">\n        e o atuador deve suportar nativamente o controle de 3 posi\u00e7\u00f5es &nbsp;\n        <strong>Canais de PLC necess\u00e1rios para porta T de 3 posi\u00e7\u00f5es:<\/strong> &nbsp; ou &nbsp;\n        <strong>2\u00d7 DO (Abrir \/ Fechar)<\/strong> &nbsp; + &nbsp;\n        <strong>1\u00d7 AO (4\u201320 mA)<\/strong>\n      <\/span>\n\n      <!-- Mini comparison table -->\n      <div class=\"ao3-tbl\" role=\"table\" aria-label=\"Compara\u00e7\u00e3o de sinais de controle\">\n        <div class=\"ao3-tbl-row ao3-head\" role=\"row\">\n          <div role=\"columnheader\">2\u00d7 DI (Feedback de fim de curso)<\/div>\n          <div role=\"columnheader\">Configura\u00e7\u00e3o<\/div>\n          <div role=\"columnheader\">Esquema de Fia\u00e7\u00e3o<\/div>\n        <\/div>\n        <div class=\"ao3-tbl-row\" role=\"row\">\n          <div><strong>Suporte do Atuador AOX<\/strong><br\/><small>Porta L \u00b7 2 posi\u00e7\u00f5es<\/small><\/div>\n          <div><span class=\"ao3-pill\">3 fios<\/span> Comuta\u00e7\u00e3o de tanque, circuitos alternados &nbsp;<em>(1\u00d7 PLC DO)<\/em><\/div>\n          <div><span class=\"ao3-badge-ok\">\u2713 Todos os modelos AOX de quarto de volta<\/span><\/div>\n        <\/div>\n        <div class=\"ao3-tbl-row\" role=\"row\">\n          <div><strong>T-Port \u00b7 3 posi\u00e7\u00f5es<\/strong><br\/><small>Mistura, bypass com parada intermedi\u00e1ria<\/small><\/div>\n          <div><span class=\"ao3-pill\">4\u20135 fios<\/span> 2 sinais bin\u00e1rios<br\/>ou <span class=\"ao3-pill\">ou uma entrada modulante anal\u00f3gica de<\/span> modulante<\/div>\n          <div><span class=\"ao3-badge-ok\">\u2713 Op\u00e7\u00e3o de controle AOX de 3 posi\u00e7\u00f5es<\/span><\/div>\n        <\/div>\n        <div class=\"ao3-tbl-row\" role=\"row\">\n          <div><strong>T-Port \u00b7 Atuador padr\u00e3o (correspond\u00eancia incorreta)<\/strong><br\/>\u274c sem parada na posi\u00e7\u00e3o intermedi\u00e1ria<\/div>\n          <div>Apenas 3 fios \u2192 trava 0\u00b0\u219290\u00b0<br\/>com PARADA intermedi\u00e1ria de 45\u00b0\/intermedi\u00e1ria N\u00c3O est\u00e1vel<\/div>\n          <div><span class=\"ao3-badge-warn\">\u26a0 Risco de interliga\u00e7\u00e3o na transi\u00e7\u00e3o<\/span><\/div>\n        <\/div>\n      <\/div>\n\n      <!-- Recommendation -->\n      <div style=\"margin-top: var(--aox-s16);\">\n        <div class=\"ao3-rec\">\n          <svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n            <path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/>\n            <polyline points=\"22 4 12 14.01 9 11.01\"\/>\n          <\/svg>\n          Sempre confirme se sua placa de sa\u00edda PLC suporta 2 sa\u00eddas bin\u00e1rias (ou um canal de 4\u201320 mA)\n          <strong>antes<\/strong> de encomendar um pacote T-port.\n        <\/div>\n      <\/div>\n\n      <!-- CTA bar -->\n      <div class=\"ao3-cta\">\n        <div class=\"ao3-cta-text\">\n          <p class=\"ao3-cta-title\">Envie seu diagrama de fia\u00e7\u00e3o para uma verifica\u00e7\u00e3o gratuita de compatibilidade de sinal AOX<\/p>\n          <p class=\"ao3-cta-desc\">Carregue o modelo do PLC, esbo\u00e7o de fia\u00e7\u00e3o ou esquema de controle \u2014 retornamos a contagem de cabos, a posi\u00e7\u00e3o de parada intermedi\u00e1ria e o modelo AOX exato em 1 dia \u00fatil.<\/p>\n        <\/div>\n        <a class=\"ao3-cta-btn\"\n           href=\"https:\/\/www.aox-actuator.com\/pt\/contact\/\"\n           target=\"_blank\"\n           rel=\"noopener noreferrer\">\n          Enviar Diagrama de Fia\u00e7\u00e3o\n          <svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n            <path d=\"M5 12h14M13 5l7 7-7 7\"\/>\n          <\/svg>\n        <\/a>\n      <\/div>\n\n    <\/div>\n  <\/div>\n<\/div>\n<!-- ============ END AOX 3-way Wiring Callout ============ -->\n\n\n\n\n<h2 class=\"wp-block-heading\">Refer\u00eancia r\u00e1pida L-Port vs T-Port<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Recurso<\/strong><\/td><td><strong>Porta L<\/strong><\/td><td><strong>Porta T<\/strong><\/td><\/tr><tr><td>Portas abertas ao mesmo tempo<\/td><td>2 de 3<\/td><td>At\u00e9 3 de 3<\/td><\/tr><tr><td>Fun\u00e7\u00e3o principal<\/td><td>Desvio<\/td><td>Mistura ou divis\u00e3o<\/td><\/tr><tr><td>Risco de interliga\u00e7\u00e3o durante a comuta\u00e7\u00e3o<\/td><td>Nenhum<\/td><td>Breve, em curso intermedi\u00e1rio<\/td><\/tr><tr><td>Posi\u00e7\u00f5es do atuador necess\u00e1rias<\/td><td>2<\/td><td>2 ou 3<\/td><\/tr><tr><td>Aplica\u00e7\u00e3o t\u00edpica<\/td><td>Porta L \u00b7 2 posi\u00e7\u00f5es<\/td><td>Mistura, bypass, mistura t\u00e9rmica<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.aox-actuator.com\/pt\/contact\/\" style=\"background-color:#ffc107;font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">Contate-nos<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>V\u00e1lvula de 3 Vias com Atuador El\u00e9trico<\/strong>: Perguntas Frequentes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. Uma v\u00e1lvula T-port pode ser usada para aplica\u00e7\u00f5es de comuta\u00e7\u00e3o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pode, mas com limita\u00e7\u00f5es. Em uma aplica\u00e7\u00e3o de comuta\u00e7\u00e3o de 2 posi\u00e7\u00f5es onde a v\u00e1lvula para apenas em suas duas posi\u00e7\u00f5es finais, T-port funciona bem.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A interliga\u00e7\u00e3o da posi\u00e7\u00e3o intermedi\u00e1ria s\u00f3 importa se o atuador parar no ponto intermedi\u00e1rio, o que n\u00e3o acontece na opera\u00e7\u00e3o normal on\/off.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para aplica\u00e7\u00f5es onde a v\u00e1lvula para em todas as tr\u00eas posi\u00e7\u00f5es e as linhas devem permanecer separadas, L-port \u00e9 a especifica\u00e7\u00e3o mais segura.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. Existe diferen\u00e7a de pre\u00e7o entre L-port e T-port?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na maioria dos casos, n\u00e3o. A geometria da esfera difere, mas o custo de fabrica\u00e7\u00e3o \u00e9 semelhante. As diferen\u00e7as de pre\u00e7o entre as configura\u00e7\u00f5es de v\u00e1lvulas de 3 vias geralmente v\u00eam da classe do material, classifica\u00e7\u00e3o de press\u00e3o e tamanho do corpo, em vez do tipo de porta.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma v\u00e1lvula T-port de a\u00e7o inoxid\u00e1vel 316L custa aproximadamente o mesmo que uma L-port de a\u00e7o inoxid\u00e1vel 316L do mesmo tamanho e classe de press\u00e3o. O or\u00e7amento deve ser definido com base no tamanho e material, n\u00e3o na configura\u00e7\u00e3o da porta.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. Uma v\u00e1lvula de 3 vias precisa de um atuador especial?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o necessariamente, mas precisa de um especificado corretamente. Um atuador padr\u00e3o de quarto de volta lida com opera\u00e7\u00e3o L-port e T-port de 2 posi\u00e7\u00f5es sem modifica\u00e7\u00e3o.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O atuador na atua\u00e7\u00e3o T-port de 3 posi\u00e7\u00f5es deve ser capaz de parar em curso intermedi\u00e1rio, uma fun\u00e7\u00e3o de controle em vez de mec\u00e2nica.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m disso, o sistema de controle de um atuador el\u00e9trico de 3 vias usado em uma configura\u00e7\u00e3o de 3 posi\u00e7\u00f5es deve ser capaz de fornecer dois sinais de posi\u00e7\u00e3o distintos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um \u00fanico sinal aberto\/fechado n\u00e3o \u00e9 suficiente. Essa diferen\u00e7a de fia\u00e7\u00e3o vale a pena confirmar antes da instala\u00e7\u00e3o, n\u00e3o depois.<\/p>","protected":false},"excerpt":{"rendered":"<p>Typically, those who purchase a 3-way valve with an electric actuator are aware of their need to divert or mix fluid flows. What becomes the problem<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":5293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electric-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3-Way Valve with Electric Actuator: L vs T-Port Config | AOX<\/title>\n<meta name=\"description\" content=\"3-way valve with electric actuator: L-Port for diverting (tank switching), T-Port for mixing (blending\/bypass). Choose right config, torque &amp; 3-position control. 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