{"id":7066,"date":"2026-05-15T11:27:15","date_gmt":"2026-05-15T09:27:15","guid":{"rendered":"https:\/\/www.irua.es\/?page_id=7066"},"modified":"2026-05-15T11:29:19","modified_gmt":"2026-05-15T09:29:19","slug":"vtd-series-double-body-combination-air-valve","status":"publish","type":"page","link":"https:\/\/www.irua.es\/en\/vtd-series-double-body-combination-air-valve\/","title":{"rendered":"Serie VTD Ventosa Trifuncional de Doble Cuerpo"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1430px;margin-left: calc(-4% \/ 2 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grid-template-columns: 1fr;\n    }\n\n    .irua-vtd-cta-actions {\n      justify-content: flex-start;\n    }\n  }\n\n  @media (max-width: 640px) {\n    .irua-vtd-card,\n    .irua-vtd-cta,\n    .irua-aplicaciones {\n      padding: 22px;\n    }\n\n    .irua-vtd-summary-grid,\n    .irua-vtd-range-grid,\n    .irua-aplicaciones .irua-app-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .irua-vtd-flow-card p {\n      font-size: 18px;\n    }\n\n    .irua-aplicaciones h2 {\n      font-size: 28px;\n    }\n  }\n<\/style>\n\n<div class=\"irua-serie-vtd\">\n  <div class=\"irua-vtd-breadcrumbs\">\n    <a href=\"https:\/\/www.irua.es\/en\/\">Home<\/a> > <a href=\"https:\/\/www.irua.es\/en\/products\/\">Products<\/a> > <a href=\"https:\/\/www.irua.es\/en\/products\/air-valves\/\">Air valves<\/a> > Series VTD\n  <\/div>\n\n  <section class=\"irua-vtd-hero-grid\">\n    <div class=\"irua-vtd-card\">\n      <p class=\"irua-vtd-eyebrow\">Series VTD<\/p>\n      <h1>Double-body combination air valves<\/h1>\n      <p class=\"irua-vtd-lede\">Automatic air control in high-capacity and large-diameter pipelines, integrating evacuation of large volumes, automatic air release in service and air intake during emptying.<\/p>\n\n      <div class=\"irua-vtd-hero-image\">\n        <img class=\"lazyload\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271200%27%20height%3D%271200%27%20viewBox%3D%270%200%201200%201200%27%3E%3Crect%20width%3D%271200%27%20height%3D%271200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.irua.es\/wp-content\/uploads\/2026\/03\/serie-VTD.webp\" alt=\"Series VTD\" title=\"\">\n      <\/div>\n\n      <p class=\"irua-vtd-muted\">IRUA Series VTD consists of double-body combination air valves, designed for air control in high-capacity and large-diameter hydraulic pipelines. In water transport networks, main pipelines or large pumping mains, air management is a key factor to ensure the hydraulic stability of the system. Series VTD combines three essential air control functions and incorporates a double-chamber design that improves evacuation, admission and automatic release in demanding applications.<\/p>\n\n      <div class=\"irua-vtd-actions\">\n        <a class=\"irua-vtd-btn irua-vtd-btn-primary\" href=\"https:\/\/www.irua.es\/wp-content\/uploads\/2026\/05\/FT_SerieVTD_EN-1.pdf\">Download technical datasheet<\/a>\n        <a class=\"irua-vtd-btn irua-vtd-btn-secondary\" href=\"https:\/\/www.irua.es\/en\/contact\/\">Contact IRUA<\/a>\n      <\/div>\n    <\/div>\n\n    <aside class=\"irua-vtd-card irua-vtd-summary-card\">\n      <h3>Summary<\/h3>\n      <p class=\"irua-vtd-summary-intro\">Series designed for trifunctional air control in large-diameter pipelines, with double-body design to improve capacity, stability and operating robustness.<\/p>\n\n      <div class=\"irua-vtd-summary-grid\">\n        <div class=\"irua-vtd-mini-card\">\n          <strong>2\u201d\u2013DN500<\/strong>\n          <p>Manufacturing dimensional range<\/p>\n        <\/div>\n\n        <div class=\"irua-vtd-mini-card\">\n          <strong>PN10\u2013PN25 \/ #150<\/strong>\n          <p>Range of nominal manufacturing pressures. Applicable EN and ANSI standards.<\/p>\n        <\/div>\n\n        <div class=\"irua-vtd-mini-card\">\n          <strong>Available materials<\/strong>\n          <p>Ductile iron GJS-500-7, carbon steel WCB, stainless steel A316, titanium, duplex, super-duplex and Hastelloy.<\/p>\n        <\/div>\n\n        <div class=\"irua-vtd-mini-card\">\n          <strong>Available coatings<\/strong>\n          <p>Epoxy, thermoplastic PPA, silicate and others.<\/p>\n        <\/div>\n      <\/div>\n    <\/aside>\n  <\/section>\n\n  <section class=\"irua-vtd-section irua-vtd-card\">\n    <h2>How a Series VTD air valve works<\/h2>\n    <p class=\"irua-vtd-flow-intro\">Series VTD combination air valves combine three air control functions and a double-body design that improves response capacity in large pipelines.<\/p>\n\n    <div class=\"irua-vtd-flow-grid\">\n      <article class=\"irua-vtd-flow-card\">\n        <span class=\"irua-vtd-number\">01<\/span>\n        <div class=\"irua-vtd-flow-media\">\n          <img class=\"lazyload\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27353%27%20height%3D%27331%27%20viewBox%3D%270%200%20353%20331%27%3E%3Crect%20width%3D%27353%27%20height%3D%27331%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.irua.es\/wp-content\/uploads\/2026\/05\/SecuenciaVTD1.png\" alt=\"Series VTD sequence 1\" title=\"\">\n        <\/div>\n        <p>Evacuation of large amounts of air during filling<\/p>\n      <\/article>\n\n      <article class=\"irua-vtd-flow-card\">\n        <span class=\"irua-vtd-number\">02<\/span>\n        <div class=\"irua-vtd-flow-media\">\n          <img class=\"lazyload\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27377%27%20height%3D%27320%27%20viewBox%3D%270%200%20377%20320%27%3E%3Crect%20width%3D%27377%27%20height%3D%27320%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.irua.es\/wp-content\/uploads\/2026\/05\/SecuenciaVTD2.png\" alt=\"Series VTD sequence 2\" title=\"\">\n        <\/div>\n        <p>Air release under pressure<\/p>\n      <\/article>\n\n      <article class=\"irua-vtd-flow-card\">\n        <span class=\"irua-vtd-number\">03<\/span>\n        <div class=\"irua-vtd-flow-media\">\n          <img class=\"lazyload\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27359%27%20height%3D%27338%27%20viewBox%3D%270%200%20359%20338%27%3E%3Crect%20width%3D%27359%27%20height%3D%27338%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.irua.es\/wp-content\/uploads\/2026\/05\/SecuenciaVTD3.png\" alt=\"Series VTD sequence 3\" title=\"\">\n        <\/div>\n        <p>Admission of large amounts of air during emptying<\/p>\n      <\/article>\n    <\/div>\n  <\/section>\n\n  <section class=\"irua-vtd-section irua-vtd-card irua-vtd-range-card\">\n    <h2>Manufacturing range<\/h2>\n\n    <div class=\"irua-vtd-range-grid\">\n      <div class=\"irua-vtd-range-item\">\n        <strong>Sizes<\/strong>\n        <span>2\u201d\u2013DN500<\/span>\n        <p>Dimensional range indicated for Series VTD<\/p>\n      <\/div>\n\n      <div class=\"irua-vtd-range-item\">\n        <strong>Pressures<\/strong>\n        <span>PN10\u2013PN25 \/ #150<\/span>\n        <p>Nominal pressures considered for this range of double-body combination air valves.<\/p>\n      <\/div>\n\n      <div class=\"irua-vtd-range-item\">\n        <strong>Standards<\/strong>\n        <span>EN \/ ANSI<\/span>\n        <p>Applicable Standards<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"irua-aplicaciones\">\n    <p class=\"irua-app-kicker\">Applications<\/p>\n    <h2>Products designed for critical applications<\/h2>\n    <p class=\"irua-app-intro\">IRUA air valves are designed to work in demanding hydraulic infrastructures, from water supply networks and pumping stations to desalination plants, mining or industry and power generation.<\/p>\n\n    <div class=\"irua-app-grid\">\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M4 14h10\"><\/path><path d=\"M14 10v8\"><\/path><path d=\"M14 14h3a3 3 0 0 0 0-6h-1\"><\/path><path d=\"M5 18h4\"><\/path><path d=\"M7 18v3\"><\/path><path d=\"M12 3s3 4 3 6a3 3 0 0 1-6 0c0-2 3-6 3-6z\"><\/path><\/svg>\n        <\/span>\n        <strong>Water supply networks<\/strong>\n      <\/div>\n\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"4\"><\/circle><path d=\"M12 2v4\"><\/path><path d=\"M12 18v4\"><\/path><path d=\"M2 12h4\"><\/path><path d=\"M18 12h4\"><\/path><path d=\"M5 5l3 3\"><\/path><path d=\"M16 16l3 3\"><\/path><path d=\"M19 5l-3 3\"><\/path><path d=\"M8 16l-3 3\"><\/path><\/svg>\n        <\/span>\n        <strong>Pumping stations<\/strong>\n      <\/div>\n\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M3 7h18\"><\/path><path d=\"M6 7v10\"><\/path><path d=\"M10 7v10\"><\/path><path d=\"M14 7v10\"><\/path><path d=\"M18 7v10\"><\/path><path d=\"M3 17h18\"><\/path><path d=\"M4 21c2 0 2-2 4-2s2 2 4 2 2-2 4-2 2 2 4 2\"><\/path><\/svg>\n        <\/span>\n        <strong>Desalination plants<\/strong>\n      <\/div>\n\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M14 4l6 6\"><\/path><path d=\"M16.5 6.5l-9 9\"><\/path><path d=\"M4 20l4-4\"><\/path><path d=\"M5 13l6 6\"><\/path><path d=\"M18 3l3 3\"><\/path><\/svg>\n        <\/span>\n        <strong>Mining<\/strong>\n      <\/div>\n\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M12 20v-7\"><\/path><path d=\"M6 20h12\"><\/path><path d=\"M12 13c-3 0-5-2-5-5\"><\/path><path d=\"M12 13c3 0 5-2 5-5\"><\/path><path d=\"M8 8c1.5 1.5 3 2 4 2s2.5-.5 4-2\"><\/path><path d=\"M4 6l2 2\"><\/path><path d=\"M20 6l-2 2\"><\/path><\/svg>\n        <\/span>\n        <strong>Irrigation<\/strong>\n      <\/div>\n\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M4 15h16\"><\/path><path d=\"M6 11h12\"><\/path><path d=\"M8 7h8\"><\/path><path d=\"M7 15v4\"><\/path><path d=\"M17 15v4\"><\/path><circle cx=\"8\" cy=\"19\" r=\"1\"><\/circle><circle cx=\"12\" cy=\"19\" r=\"1\"><\/circle><circle cx=\"16\" cy=\"19\" r=\"1\"><\/circle><\/svg>\n        <\/span>\n        <strong>Wastewater<\/strong>\n      <\/div>\n\n      <div class=\"irua-app-card\">\n        <span class=\"irua-app-icon\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M3 21h18\"><\/path><path d=\"M5 21V9l5 3V9l5 3V7h4v14\"><\/path><path d=\"M8 17h1\"><\/path><path d=\"M12 17h1\"><\/path><path d=\"M16 17h1\"><\/path><path d=\"M17 3l-2 4h4l-2 4\"><\/path><\/svg>\n        <\/span>\n        <strong>Industry and power generation.<\/strong>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"irua-vtd-cta\">\n    <div>\n      <h2>Need help selecting an air valve?<\/h2>\n      <p>IRUA\u2019s technical team can help you choose the most suitable solution for your hydraulic installation.<\/p>\n    <\/div>\n\n    <div class=\"irua-vtd-cta-actions\">\n      <a class=\"irua-vtd-cta-btn\" href=\"https:\/\/www.irua.es\/wp-content\/uploads\/2026\/05\/FT_SerieVTD_EN-1.pdf\">Download technical datasheet<\/a>\n      <a class=\"irua-vtd-cta-btn\" href=\"https:\/\/www.irua.es\/en\/contact\/\">Contact IRUA<\/a>\n    <\/div>\n  <\/section>\n<\/div>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7066","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/pages\/7066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/comments?post=7066"}],"version-history":[{"count":3,"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/pages\/7066\/revisions"}],"predecessor-version":[{"id":7078,"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/pages\/7066\/revisions\/7078"}],"wp:attachment":[{"href":"https:\/\/www.irua.es\/en\/wp-json\/wp\/v2\/media?parent=7066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}