{"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\/fr\/blog\/electric-valve\/3-way-valve-l-port-vs-t-port-guide\/","title":{"rendered":"Vanne 3 voies avec actionneur \u00e9lectrique : Guide de configuration L-Port vs T-Port"},"content":{"rendered":"<p class=\"wp-block-paragraph\">En g\u00e9n\u00e9ral, ceux qui ach\u00e8tent une vanne 3 voies avec un actionneur \u00e9lectrique sont conscients de leur besoin de d\u00e9vier ou de m\u00e9langer les flux de fluide.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce qui devient le probl\u00e8me, c'est quelle configuration de port choisir. Les vannes avec des ports en L ou en T ont presque la m\u00eame conception, le m\u00eame prix et les m\u00eames dimensions de montage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La diff\u00e9rence \u00e0 l'int\u00e9rieur fait que ces vannes fonctionnent de mani\u00e8re oppos\u00e9e. Sp\u00e9cifier la mauvaise fait que votre syst\u00e8me ne parvient pas \u00e0 effectuer les op\u00e9rations requises.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu&#039;est-ce qu&#039;un <strong>Vanne 3 voies avec actionneur \u00e9lectrique<\/strong>?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Contrairement aux vannes ordinaires, il y a trois connexions pour les tuyaux au lieu des deux connexions habituelles. La bille est perc\u00e9e et il y a un al\u00e9sage reliant deux ports quelconques parmi les trois disponibles dans chaque position.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En ajoutant un actionneur \u00e9lectrique, un contr\u00f4le \u00e0 distance de la vanne peut \u00eatre r\u00e9alis\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un signal d'un automate programmable, d'une minuterie ou d'un syst\u00e8me de gestion de b\u00e2timent commande le moteur de l'actionneur, qui fait pivoter la bille vers la position cible. Cette combinaison est ce qui rend une <strong>vanne \u00e0 bille \u00e9lectrique 3 voies<\/strong> utile dans les syst\u00e8mes automatis\u00e9s.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les lignes de proc\u00e9d\u00e9, les circuits CVC et <a href=\"https:\/\/www.aox-actuator.com\/fr\/solutions\/chemical-solution\/\" target=\"_blank\" rel=\"noreferrer noopener\">les installations de dosage chimique<\/a> b\u00e9n\u00e9ficient tous de la commutation de flux \u00e0 distance sans acc\u00e8s manuel \u00e0 la vanne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La principale diff\u00e9rence entre un circuit 3 voies et deux vannes bidirectionnelles ind\u00e9pendantes est la conception compacte et la commutation simultan\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un actionneur commute une vanne, et les deux chemins d'\u00e9coulement commutent simultan\u00e9ment. Il n'y a aucun d\u00e9lai entre deux commutations de vannes ind\u00e9pendantes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Port en L vs Port en T : Quelle est la diff\u00e9rence ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La forme de l'al\u00e9sage \u00e0 l'int\u00e9rieur de la bille d\u00e9finit la configuration du port. Cela vaut la peine de comprendre avant tout.<\/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\">Configuration du port en L<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une bille \u00e0 port en L a un al\u00e9sage \u00e0 90 degr\u00e9s d\u00e9coup\u00e9 dedans, en forme de la lettre L.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans une position donn\u00e9e, elle connecte deux ports tandis que le troisi\u00e8me reste compl\u00e8tement bloqu\u00e9. La rotation de la bille de 90 degr\u00e9s change les deux ports connect\u00e9s, en laissant toujours un ferm\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une vanne \u00e0 port en L ne peut jamais connecter que deux de ses trois ports \u00e0 la fois. Elle ne peut pas ouvrir les trois simultan\u00e9ment.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cela en fait une vanne de d\u00e9viation. Le fluide provenant d'une entr\u00e9e est dirig\u00e9 vers la sortie A ou la sortie B, jamais les deux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Configuration du port en T<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une bille \u00e0 port en T a un al\u00e9sage en forme de T qui traverse le centre de la bille. Dans une position, elle connecte les trois ports simultan\u00e9ment, permettant au fluide de circuler dans n'importe quelle direction \u00e0 travers le collecteur.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La rotation de 90 degr\u00e9s modifie la configuration, mais contrairement au port en L, il existe une position interm\u00e9diaire o\u00f9 les trois ports sont ouverts \u00e0 la fois.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette connexion simultan\u00e9e est \u00e0 la fois la force et la limite de la conception du port en T. Elle permet le m\u00e9lange de deux entr\u00e9es en une sortie, ou la division d'une entr\u00e9e en deux sorties.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais dans certaines positions, les chemins d'\u00e9coulement qui devraient \u00eatre s\u00e9par\u00e9s sont bri\u00e8vement connect\u00e9s pendant la rotation. Pour les applications de commutation o\u00f9 la contamination crois\u00e9e entre les lignes est une pr\u00e9occupation, cela est important.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9lange vs D\u00e9viation : Quel port vous faut-il ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La fonction de l'application d\u00e9termine le choix du port. Se tromper est l'erreur de sp\u00e9cification la plus courante sur les projets de vannes 3 voies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quand choisir un port en L<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le port en L est correct lorsque la vanne doit commuter le flux entre deux sorties sans jamais les connecter l'une \u00e0 l'autre. La commutation de r\u00e9servoir en est un exemple typique.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une entr\u00e9e alimente soit le r\u00e9servoir A, soit le r\u00e9servoir B, et les deux r\u00e9servoirs ne doivent jamais \u00eatre connect\u00e9s au m\u00eame chemin d'\u00e9coulement simultan\u00e9ment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les circuits d'eau de refroidissement qui alternent entre deux \u00e9changeurs de chaleur utilisent la m\u00eame logique. Une vanne 3 voies <strong>avec actionneur \u00e9lectrique<\/strong> en configuration port en L g\u00e8re cela proprement, sans risque de flux crois\u00e9 pendant la commutation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quand choisir un port en T<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le port en T est le bon choix lorsque l'application implique le m\u00e9lange de deux flux en un seul, ou la division d'un flux en deux.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les syst\u00e8mes de traitement chimique qui <a href=\"https:\/\/www.aox-actuator.com\/fr\/blog\/electric-actuator\/3-way-modulating-actuators-precise-fluid-mixing\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e9langent un r\u00e9actif avec de l'eau de proc\u00e9d\u00e9<\/a> avant une \u00e9tape de r\u00e9action en sont un exemple courant.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il en va de m\u00eame pour les circuits de d\u00e9rivation, o\u00f9 le flux peut \u00eatre dirig\u00e9 \u00e0 travers un \u00e9changeur de chaleur, autour de celui-ci, ou divis\u00e9 entre les deux chemins.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">UN <strong>Une vanne motoris\u00e9e 3 voies<\/strong> en configuration port en T est \u00e9galement courante dans les syst\u00e8mes solaires thermiques. L\u00e0, le contr\u00f4leur m\u00e9lange le retour du collecteur chaud avec l'eau plus froide du r\u00e9servoir pour maintenir une temp\u00e9rature de sortie cible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La position qui surprend les gens<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les vannes \u00e0 port en T ont une position de zone morte que les vannes \u00e0 port en L n'ont pas. Lorsqu'une bille \u00e0 port en T tourne sur 90 degr\u00e9s, il y a un bref moment o\u00f9 les trois ports sont connect\u00e9s simultan\u00e9ment.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans la plupart des applications, ce n'est pas un probl\u00e8me, car la transition est rapide. Dans les applications o\u00f9 m\u00eame une connexion crois\u00e9e momentan\u00e9e entre les lignes entra\u00eenerait un probl\u00e8me de s\u00e9curit\u00e9 ou de contamination, le port en L est le seul choix acceptable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment faire correspondre l'actionneur \u00e9lectrique \u00e0 une vanne 3 voies<\/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\">Un actionneur \u00e9lectrique standard <a href=\"https:\/\/www.aox-actuator.com\/fr\/quarter-turn-valve-actuator-manufacturer-2992\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00e0 quart de tour<\/a> parcourt 90 degr\u00e9s. Cela couvre compl\u00e8tement la commutation du port en L, car le port en L ne n\u00e9cessite que 90 degr\u00e9s de rotation pour passer entre ses deux positions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C'est avec le port en T que cela devient plus sp\u00e9cifique. Une vanne \u00e0 port en T qui n\u00e9cessite ses trois positions fonctionnelles n\u00e9cessite un actionneur qui s'arr\u00eate pr\u00e9cis\u00e9ment \u00e0 des intervalles de 90 degr\u00e9s dans les deux sens.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alternativement, il faut en avoir un avec une option de contr\u00f4le 3 positions int\u00e9gr\u00e9e. Tous les actionneurs \u00e0 quart de tour ne prennent pas en charge nativement le fonctionnement \u00e0 3 positions.<\/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\/fr\/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=\"Actionneur de vanne \u00e9lectrique s\u00e9rie AOX-VR\">\n    <\/div>\n    <div class=\"hero-content-vertical\">\n      <p><strong>Actionneur de vanne \u00e9lectrique s\u00e9rie AOX-VR<\/strong><\/p>\n      <p>\n      La s\u00e9rie \u201cAOX-VR\u201d pr\u00e9sente une structure compacte avec une excellente r\u00e9sistance aux intemp\u00e9ries et aux chocs.\n      <\/p>\n      <button class=\"hero-btn-vertical\">Explorer les produits et solutions<\/button>\n    <\/div>\n  <\/a>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Que v\u00e9rifier avant de commander<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trois \u00e9l\u00e9ments doivent correspondre entre la vanne et le <strong>types d'actionneurs de vannes 3 voies \u00e9lectriques <\/strong>sur le march\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Entra\u00eenement de tige<\/strong>: La douille d'entra\u00eenement de l'actionneur doit correspondre au profil de la tige de la vanne. ISO 5211 F05 est la norme la plus courante pour les actionneurs quart de tour \u00e0 montage direct dans cette gamme de tailles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Couple de sortie<\/strong>: Les vannes \u00e0 boisseau sph\u00e9rique 3 voies conna\u00eetront un couple de fonctionnement l\u00e9g\u00e8rement accru par rapport aux vannes 2 voies de m\u00eame indice de pression car elles entrent en contact avec trois faces d'\u00e9tanch\u00e9it\u00e9 au lieu de deux. Pr\u00e9voyez une marge de 25% sup\u00e9rieure au couple nominal de la vanne tel qu'indiqu\u00e9 par le fabricant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Signal de contr\u00f4le<\/strong>: Si la configuration en T \u00e0 3 positions est requise, assurez-vous que l'actionneur peut g\u00e9rer le positionnement \u00e0 3 positions, ce qui peut impliquer deux signaux binaires distincts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.aox-actuator.com\/fr\/product-category\/electric-actuator\/quarter-turn-electric-actuator\/\">Actionneurs \u00e9lectriques AOX quart de tour<\/a><a href=\"https:\/\/www.aox-actuator.com\/fr\/product-category\/electric-actuator\/quarter-turn-electric-actuator\/\" target=\"_blank\" rel=\"noreferrer noopener\">e<\/a><a href=\"https:\/\/www.aox-actuator.com\/fr\/product-category\/electric-actuator\/quarter-turn-electric-actuator\/\">actionneurs \u00e9lectriques<\/a> prennent en charge le montage direct selon les normes ISO 5211 et couvrent <a href=\"https:\/\/www.aox-actuator.com\/fr\/blog\/selection\/electric-valve-actuator-torque-sizing-specs\/\" target=\"_blank\" rel=\"noreferrer noopener\">des couples de sortie<\/a> de 30 Nm \u00e0 6 000 Nm. Leur option de contr\u00f4le \u00e0 3 positions convient aux applications de vannes \u00e0 port T o\u00f9 un arr\u00eat en position m\u00e9diane est requis.<\/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\">Note technique B2B<\/span>\n      <h4 class=\"ao3-co-title\">C\u00e2blage et signal de commande \u2014 2 positions vs. 3 positions port T<\/h4>\n\n      <p class=\"ao3-co-txt\">\n        Standard <strong>2 positions<\/strong> (port L) utilisent un sch\u00e9ma de commande simple \u00e0\n        <span class=\"ao3-pill\">3 fils<\/span> :\n        <em>L (Phase), N (Neutre), SW (Commutateur)<\/em>. Tout ce dont vous avez besoin est une sortie num\u00e9rique d'API.\n      <\/p>\n      <p class=\"ao3-co-txt\">\n        Cependant, <strong>les applications \u00e0 port T \u00e0 3 positions<\/strong> qui n\u00e9cessitent un arr\u00eat pr\u00e9cis en milieu de course (tous les trois ports connect\u00e9s) n\u00e9cessitent une configuration \u00e0\n        <span class=\"ao3-pill\">4 fils<\/span> ou \u00e0\n        <span class=\"ao3-pill\">5 fils<\/span> avec <strong>deux signaux binaires ind\u00e9pendants<\/strong>, ou une entr\u00e9e de modulation analogique <span class=\"ao3-pill\">4\u201320 mA<\/span> \/ <span class=\"ao3-pill\">0\u201310 V<\/span>\n        \u2014 et l'actionneur doit prendre en charge nativement le contr\u00f4le \u00e0 3 positions <em>Canaux d'API requis pour le port T \u00e0 3 positions :<\/em>.\n      <\/p>\n\n      <span class=\"ao3-spec\">\n        2\u00d7 DO (Ouvert \/ Ferm\u00e9) &nbsp;\n        <strong>1\u00d7 AO (4\u201320 mA)<\/strong> &nbsp; ou &nbsp;\n        <strong>2\u00d7 DI (R\u00e9troaction de fin de course)<\/strong> &nbsp; + &nbsp;\n        <strong>Configuration<\/strong>\n      <\/span>\n\n      <!-- Mini comparison table -->\n      <div class=\"ao3-tbl\" role=\"table\" aria-label=\"Comparaison des signaux de commande\">\n        <div class=\"ao3-tbl-row ao3-head\" role=\"row\">\n          <div role=\"columnheader\">Sch\u00e9ma de c\u00e2blage<\/div>\n          <div role=\"columnheader\">Prise en charge de l'actionneur AOX<\/div>\n          <div role=\"columnheader\">Port L \u00b7 2 positions<\/div>\n        <\/div>\n        <div class=\"ao3-tbl-row\" role=\"row\">\n          <div><strong>Commutation de r\u00e9servoir, circuits alternatifs<\/strong><br\/><small>L \/ N \/ SW<\/small><\/div>\n          <div><span class=\"ao3-pill\">3 fils<\/span> (1\u00d7 sortie num\u00e9rique d'API) &nbsp;<em>\u2713 Tous les mod\u00e8les AOX quart de tour<\/em><\/div>\n          <div><span class=\"ao3-badge-ok\">Port T \u00b7 3 positions<\/span><\/div>\n        <\/div>\n        <div class=\"ao3-tbl-row\" role=\"row\">\n          <div><strong>M\u00e9lange, d\u00e9rivation avec arr\u00eat interm\u00e9diaire<\/strong><br\/><small>4\u20135 fils<\/small><\/div>\n          <div><span class=\"ao3-pill\">4\u20135 fils<\/span> 2 signaux binaires<br\/>ou <span class=\"ao3-pill\">4\u201320 mA<\/span> modulation<\/div>\n          <div><span class=\"ao3-badge-ok\">\u2713 Option de commande AOX \u00e0 3 positions<\/span><\/div>\n        <\/div>\n        <div class=\"ao3-tbl-row\" role=\"row\">\n          <div><strong>T-Port \u00b7 Actionneur standard (mauvaise correspondance)<\/strong><br\/>\u274c pas d'arr\u00eat en position m\u00e9diane<\/div>\n          <div>Uniquement 3 fils \u2192\u00a0 bascule 0\u00b0\u219290\u00b0<br\/>avec PAS d'arr\u00eat stable \u00e0 45\u00b0\/m\u00e9dian<\/div>\n          <div><span class=\"ao3-badge-warn\">\u26a0 Risque de connexion crois\u00e9e lors de la transition<\/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          Confirmez toujours que votre carte de sortie PLC prend en charge 2\u00d7 sorties binaires (ou un canal 4\u201320 mA)\n          <strong>avant<\/strong> commande d'un ensemble 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\">Envoyez votre sch\u00e9ma de c\u00e2blage pour une v\u00e9rification gratuite de la compatibilit\u00e9 des signaux AOX<\/p>\n          <p class=\"ao3-cta-desc\">T\u00e9l\u00e9chargez le mod\u00e8le d'automate, le sch\u00e9ma de c\u00e2blage ou le sch\u00e9ma de commande \u2014 nous vous renvoyons le nombre de c\u00e2bles, la position d'arr\u00eat m\u00e9diane et le mod\u00e8le AOX exact sous 1 jour ouvrable.<\/p>\n        <\/div>\n        <a class=\"ao3-cta-btn\"\n           href=\"https:\/\/www.aox-actuator.com\/fr\/contact\/\"\n           target=\"_blank\"\n           rel=\"noopener noreferrer\">\n          Soumettre le sch\u00e9ma de c\u00e2blage\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\">R\u00e9f\u00e9rence rapide 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>Fonctionnalit\u00e9<\/strong><\/td><td><strong>Port L<\/strong><\/td><td><strong>Port T<\/strong><\/td><\/tr><tr><td>Les ports s'ouvrent simultan\u00e9ment<\/td><td>2 sur 3<\/td><td>Jusqu'\u00e0 3 sur 3<\/td><\/tr><tr><td>Fonction principale<\/td><td>D\u00e9rivation<\/td><td>M\u00e9lange ou division<\/td><\/tr><tr><td>Risque de connexion crois\u00e9e lors de la commutation<\/td><td>Aucun<\/td><td>Bref, \u00e0 mi-course<\/td><\/tr><tr><td>Positions de l'actionneur n\u00e9cessaires<\/td><td>2<\/td><td>2 ou 3<\/td><\/tr><tr><td>Application typique<\/td><td>L \/ N \/ SW<\/td><td>M\u00e9lange, d\u00e9rivation, m\u00e9lange thermique<\/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\/fr\/contact\/\" style=\"background-color:#ffc107;font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">Contactez-nous<\/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>Vanne 3 voies avec actionneur \u00e9lectrique<\/strong>: FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. Une vanne T-port peut-elle \u00eatre utilis\u00e9e pour des applications de commutation\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Elle le peut, mais avec des limitations. Dans une application de commutation \u00e0 2 positions o\u00f9 la vanne ne s'arr\u00eate jamais \u00e0 ses deux positions extr\u00eames, le T-port fonctionne bien.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La connexion crois\u00e9e en position m\u00e9diane n'a d'importance que si l'actionneur s'arr\u00eate au point m\u00e9dian, ce qui ne se produit pas dans un fonctionnement marche\/arr\u00eat standard.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les applications o\u00f9 la vanne s'arr\u00eate aux trois positions et o\u00f9 les conduites doivent rester s\u00e9par\u00e9es, le L-port est la sp\u00e9cification la plus s\u00fbre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. Y a-t-il une diff\u00e9rence de prix entre le L-port et le T-port\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dans la plupart des cas, non. La g\u00e9om\u00e9trie de la bille diff\u00e8re, mais le co\u00fbt de fabrication est similaire. Les diff\u00e9rences de prix entre les configurations de vannes \u00e0 3 voies proviennent g\u00e9n\u00e9ralement de la qualit\u00e9 du mat\u00e9riau, de la classe de pression et de la taille du corps plut\u00f4t que du type de port.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une vanne T-port en acier inoxydable 316L co\u00fbte \u00e0 peu pr\u00e8s le m\u00eame prix qu'une vanne L-port en acier inoxydable 316L de m\u00eame taille et classe de pression. Le budget doit \u00eatre d\u00e9fini en fonction de la taille et du mat\u00e9riau, et non de la configuration du port.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. Une vanne \u00e0 3 voies n\u00e9cessite-t-elle un actionneur sp\u00e9cial\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pas n\u00e9cessairement, mais elle n\u00e9cessite un actionneur correctement sp\u00e9cifi\u00e9. Un actionneur quart de tour standard g\u00e8re le fonctionnement L-port et T-port \u00e0 2 positions sans modification.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'actionneur dans une commande T-port \u00e0 3 positions doit \u00eatre capable d'un arr\u00eat \u00e0 mi-course, une fonction de contr\u00f4le plut\u00f4t que m\u00e9canique.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En plus de cela, le syst\u00e8me de contr\u00f4le d'un actionneur \u00e9lectrique \u00e0 3 voies utilis\u00e9 dans une configuration \u00e0 3 positions doit \u00eatre capable de fournir deux signaux de position distincts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un seul signal ouvert\/ferm\u00e9 n'est pas suffisant. Il est utile de confirmer cette diff\u00e9rence de c\u00e2blage avant l'installation, et non apr\u00e8s.<\/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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