{"id":8562,"date":"2021-12-30T07:24:17","date_gmt":"2021-12-30T07:24:17","guid":{"rendered":"https:\/\/zecovalve.com\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html"},"modified":"2022-11-01T05:53:26","modified_gmt":"2022-11-01T05:53:26","slug":"news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/es\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html","title":{"rendered":"Posicionador de v\u00e1lvula de control neum\u00e1tico"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u00bfQu\u00e9 es un posicionador en una v\u00e1lvula de control?<\/h2>\n\n\n\n<p>Un posicionador de v\u00e1lvula es un dispositivo que interact\u00faa con el controlador de proceso y el actuador y est\u00e1 conectado al v\u00e1stago de la v\u00e1lvula para que pueda detectar la posici\u00f3n exacta de la v\u00e1lvula. El posicionador recibe una se\u00f1al de entrada del controlador de proceso y env\u00eda una se\u00f1al al actuador para mover la v\u00e1lvula.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Configuraci\u00f3n del posicionador de v\u00e1lvula<\/h2>\n\n\n\n<p>Los posicionadores de v\u00e1lvulas se pueden dividir en posicionadores de v\u00e1lvulas neum\u00e1ticos, posicionadores de v\u00e1lvulas electroneum\u00e1ticos y posicionadores de v\u00e1lvulas inteligentes seg\u00fan su estructura y principio de funcionamiento.<\/p>\n\n\n\n<p>El posicionador de v\u00e1lvula puede aumentar la potencia de salida de la v\u00e1lvula reguladora, reducir el retraso de transmisi\u00f3n de la se\u00f1al reguladora, acelerar el movimiento del v\u00e1stago de la v\u00e1lvula, mejorar la linealidad de la v\u00e1lvula, superar la fricci\u00f3n del v\u00e1stago de la v\u00e1lvula y eliminar la influencia de la fuerza desequilibrada Para asegurar el correcto posicionamiento de la v\u00e1lvula de control.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Adaptadores de posicionador de v\u00e1lvula<\/h2>\n\n\n\n<p>Los actuadores m\u00e1s utilizados son actuadores neum\u00e1ticos, actuadores el\u00e9ctricos, los hay de carrera recta y de carrera angular. Para apertura y cierre autom\u00e1tico, manual de todo tipo de v\u00e1lvulas, placas de viento, etc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-valve-positioner-working-principle\">Principio de funcionamiento del posicionador de v\u00e1lvula<\/h2>\n\n\n\n<p>El posicionador de v\u00e1lvula es el accesorio principal de la v\u00e1lvula de control. Toma la se\u00f1al de desplazamiento del v\u00e1stago de la v\u00e1lvula como se\u00f1al de medici\u00f3n de retroalimentaci\u00f3n de entrada, toma la se\u00f1al de salida del controlador como se\u00f1al de configuraci\u00f3n, realiza la comparaci\u00f3n, cuando los dos tienen la desviaci\u00f3n, cambia su se\u00f1al de salida al mecanismo ejecutivo, provoca la acci\u00f3n del mecanismo ejecutivo. , se establece la correspondencia uno a uno entre el desplazamiento m\u00faltiplo del v\u00e1stago de la v\u00e1lvula y la se\u00f1al de salida del controlador. Por lo tanto, el posicionador de v\u00e1lvula consta de una se\u00f1al de medici\u00f3n del desplazamiento del v\u00e1stago de la v\u00e1lvula enviada a la salida del sistema de control de retroalimentaci\u00f3n de se\u00f1al establecida del controlador. Las variables de control del sistema de control son las se\u00f1ales de salida del posicionador de v\u00e1lvula al actuador.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Clasificaci\u00f3n de posicionadores de v\u00e1lvulas<\/h2>\n\n\n\n<p>El posicionador de v\u00e1lvula seg\u00fan la se\u00f1al de entrada se divide en un posicionador de v\u00e1lvula neum\u00e1tico y un posicionador de v\u00e1lvula el\u00e9ctrico. La se\u00f1al de entrada del posicionador de v\u00e1lvula neum\u00e1tica es una se\u00f1al de gas est\u00e1ndar, por ejemplo, una se\u00f1al de gas de 20 ~ 100 KPA, su se\u00f1al de salida es una se\u00f1al de gas est\u00e1ndar. La se\u00f1al de entrada del posicionador de v\u00e1lvula el\u00e9ctrica es la se\u00f1al de corriente o voltaje est\u00e1ndar, como una se\u00f1al de corriente de 4~20 mA o una se\u00f1al de voltaje de 1~5 V, etc. En la v\u00e1lvula el\u00e9ctrica, el posicionador se convertir\u00e1 en fuerza electromagn\u00e9tica y luego se emitir\u00e1 la se\u00f1al de gas. a la v\u00e1lvula de control de cuadrante.<br>La direcci\u00f3n de acci\u00f3n se puede dividir en un posicionador de v\u00e1lvula unidireccional y un posicionador de v\u00e1lvula de dos v\u00edas. Cuando se utiliza el posicionador de v\u00e1lvula unidireccional en el actuador de pist\u00f3n, el posicionador de v\u00e1lvula opera en una sola direcci\u00f3n y el posicionador de v\u00e1lvula de dos v\u00edas opera en ambos lados del cilindro del actuador de pist\u00f3n y en ambas direcciones.<\/p>\n\n\n\n<p>Seg\u00fan la salida del posicionador de v\u00e1lvula y la ganancia de la se\u00f1al de entrada, los s\u00edmbolos se dividen en posicionador de v\u00e1lvula positivo y posicionador de v\u00e1lvula negativo. Cuando aumenta la se\u00f1al de entrada del posicionador de v\u00e1lvula positiva, tambi\u00e9n aumenta la se\u00f1al de salida, de modo que la ganancia es positiva. Cuando se aumenta la se\u00f1al de entrada del posicionador de v\u00e1lvula contrarrestante, la se\u00f1al de salida se reduce y, por tanto, la ganancia es negativa.<\/p>\n\n\n\n<p>Seg\u00fan un posicionador de v\u00e1lvula, la se\u00f1al de entrada es una se\u00f1al anal\u00f3gica o una se\u00f1al digital, que se puede dividir en un posicionador de v\u00e1lvula general y un posicionador de v\u00e1lvula el\u00e9ctrico de bus de campo. La se\u00f1al de entrada de un posicionador de v\u00e1lvula general es una se\u00f1al anal\u00f3gica de presi\u00f3n de aire o de corriente y voltaje, y la se\u00f1al de entrada del posicionador de v\u00e1lvula el\u00e9ctrica del bus de campo es una se\u00f1al digital del bus de campo.<\/p>\n\n\n\n<p>Seg\u00fan si el posicionador de v\u00e1lvula con CPU se puede dividir en posicionador de v\u00e1lvula el\u00e9ctrico general y posicionador de v\u00e1lvula el\u00e9ctrico inteligente. El posicionador de v\u00e1lvulas general electric no tiene CPU, por lo tanto, no tiene inteligencia y no puede manejar las operaciones inteligentes relevantes. El posicionador de v\u00e1lvula inteligente con CPU puede manejar la operaci\u00f3n inteligente, por ejemplo, puede llevar a cabo la compensaci\u00f3n no lineal del canal de avance, etc. El posicionador de v\u00e1lvula el\u00e9ctrica del bus de campo tambi\u00e9n puede llevar a cabo el m\u00f3dulo de funci\u00f3n como PID para realizar la operaci\u00f3n correspondiente. .<\/p>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/categoria-de-productos\/globe-valve\/\">Fabricante de v\u00e1lvulas de globo - Varios tipos de v\u00e1lvulas de globo<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/categoria-de-productos\/valvula-de-compuerta\/\">Fabricante de v\u00e1lvulas de compuerta - Varios tipos de v\u00e1lvulas de compuerta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/categoria-de-productos\/ball-valve\/\">Fabricante de v\u00e1lvulas de bola - Varios tipos de v\u00e1lvulas de bola<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/categoria-de-productos\/butterfly-valve\/\">Fabricante de v\u00e1lvulas de mariposa - Varios tipos de v\u00e1lvulas de mariposa<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/categoria-de-productos\/balancing-valve\/\">V\u00e1lvula de equilibrado - V\u00e1lvula HVAC<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/categoria-de-productos\/check-valve\/\">Fabricante de v\u00e1lvulas antirretorno - Varios tipos de v\u00e1lvulas antirretorno<\/a>\n\n<\/div>\n\n\n\n<p>Diez art\u00edculos antes y despu\u00e9s<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-5-common-solenoid-valves-api-approved-valve-manufacturer.html\/\">Noticias \u2013 5 v\u00e1lvulas solenoides comunes | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-5-characteristics-of-solenoid-valve-api-approved-valve-manufacturer.html\/\">Noticias \u2013 5 caracter\u00edsticas de la v\u00e1lvula solenoide | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-6-kinds-of-valves-commonly-used-in-long-distance-pipeline-api-approved-valve-manufacturer.html\/\">Noticias \u2013 6 tipos de v\u00e1lvulas com\u00fanmente utilizadas en tuber\u00edas de larga distancia | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-5-tips-for-choosing-a-home-valve-api-approved-valve-manufacturer.html\/\">Noticias \u2013 5 consejos para elegir una v\u00e1lvula dom\u00e9stica | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-application-of-new-intelligent-valve-positioner-in-control-valve-api-approved-valve-manufacturer.html\/\">Noticias \u2013 Aplicaci\u00f3n del nuevo posicionador de v\u00e1lvula inteligente en v\u00e1lvula de control | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-modular-intelligent-electric-valve-controller-api-approved-valve-manufacturer.html\/\">Noticias \u2013 Controlador de v\u00e1lvula el\u00e9ctrica inteligente modular | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-the-development-course-of-valve-api-approved-valve-manufacturer.html\/\">Noticias \u2013 El curso de desarrollo de Valve | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-6-characteristics-of-valve-api-approved-valve-manufacturer.html\/\">Noticias \u2013 6 caracter\u00edsticas de la v\u00e1lvula | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-application-of-valves-in-water-supply-system-api-approved-valve-manufacturer.html\/\">Noticias \u2013 Aplicaci\u00f3n de v\u00e1lvulas en sistemas de suministro de agua | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/news-difference-between-flange-connection-threaded-connection-and-welded-connection-api-approved-valve-manufacturer.html\/\">Noticias \u2013 Diferencia entre conexi\u00f3n de brida, conexi\u00f3n roscada y conexi\u00f3n soldada | Fabricante de v\u00e1lvulas aprobado por API<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 es un posicionador en una v\u00e1lvula de control? Un posicionador de v\u00e1lvula es un dispositivo que interact\u00faa con el controlador de proceso y el actuador... <a title=\"Posicionador de v\u00e1lvula de control neum\u00e1tico\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/es\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html\" aria-label=\"M\u00e1s en Posicionador de v\u00e1lvula de control neum\u00e1tico\">Leer m\u00e1s<\/a><\/p>","protected":false},"author":2,"featured_media":26426,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3226],"class_list":["post-8562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-cage-guided-control-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/08\/Control-Valve-0-1024x768.jpg",1024,768,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/es\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":3226,"name":"Cage Guided Control Valve","slug":"cage-guided-control-valve","term_group":0,"term_taxonomy_id":3226,"taxonomy":"post_tag","description":"<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET CAGE GUIDED CONTROL VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_a0a547-00\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-cage-guided-control-valve\">What is Cage Guided Control Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA more modern version of the globe valve design uses a piston-shaped plug inside a surrounding cage with ports cast or machined into it.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThese cage-guided globe valves throttle flow by uncovering more or less of the port area in the surrounding cage as the plug moves up and down. The cage also serves to guide the plug so the stem need not be subjected to lateral forces as in a stem-guided valve design.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Cage guided control valve is a balanced valve that can be used as a dump valve, pressure regulator, suction controller, recirculation valve, and plunger lift applications. Compared to the stem-guided series, cage guided control valves feature larger trim sizes (available in 2\" to 10\" end connections) for higher valve coefficients (Cv). Cage guided control valves can be equipped with an optional electric drive or operated with compressed air to meet zero-emission requirements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":26426,\"width\":512,\"height\":384,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img class=\"wp-image-26426\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/08\/Control-Valve-0-1024x768.jpg\" alt=\"\" width=\"512\" height=\"384\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Structure of Cage Guided Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCage-guided globe valves are available with both balanced and unbalanced plugs. A balanced plug has one or more ports drilled from top to bottom, allowing fluid pressure to equalize on both sides of the plug. This helps minimize the forces acting on the plug which must be overcome by the actuator:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27294,\"width\":587,\"height\":336,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27294\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Cage-guided-globe-valves.webp\" alt=\"\" width=\"587\" height=\"336\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nUnbalanced plugs generate a force equal to the product of the differential pressure across the plug and the plug\u2019s area (F = PA), which may be quite substantial in some applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBalanced plugs do not generate this same force because they equalize the pressure on both sides of the plug, however, they exhibit the disadvantage of one more leak path when the valve is in the fully closed position (through the balancing ports, past the piston ring, and out the cage ports):\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27295,\"width\":552,\"height\":274,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27295\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Cage-guided-globe-valves-principle.webp\" alt=\"\" width=\"552\" height=\"274\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThus, balanced and unbalanced cage-guided globe valves exhibit similar characteristics to double ported and single-ported stem- or port-guided globe valves, and for similar reasons.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBalanced cage guided valves are easy to position, just like double-ported stem-guided and port-guided globe valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nHowever, balanced cage-guided valves tend to leak more when in the shut position due to a greater number of leak paths, much the same as with double-ported stem-guided and port-guided globe valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Components of Cage Guide Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list {\"ordered\":true} -->\r\n<ol>\r\n \t<li>Valve Trims<\/li>\r\n<\/ol>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAccording to the needs of the working conditions, different materials and surface hardening treatments can easily be chosen to meet the requirements of each function module of trim to improve its performance of the corrosion, cavitation, and erosion resistance, and lengthen service life.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list {\"ordered\":true,\"start\":2} -->\r\n<ol start=\"2\">\r\n \t<li>Valve body<\/li>\r\n<\/ol>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe body of LN8 series control valves consists of two passages from upper and lower, forming a shape like a letter \"S\". The design of an elliptical section reduces the flow resistance and turbulent flow to keep the flow fluent. The flap in the middle of the upper passage can reduce the eddy flow and increase the flow capacity.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list {\"ordered\":true,\"start\":3} -->\r\n<ol start=\"3\">\r\n \t<li>Actuator<\/li>\r\n<\/ol>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe standard mate is a Multi-spring pneumatic diaphragm actuator, which can be used in many conditions with the features of strong output force, high reliability, long lifespan, and extensive application. The output force changes with the number of springs. The high-stress-resistant diaphragm, bearing maximum pressure of 0.5 MPa air supply, gives the control valve a reliable shutoff. This type of actuator has a long life cycle of more than 1 million times.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Cage Guided Control Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Modular design concept, combining the American and Japanese schools of high-precision control and the German school of the modular concept.<\/li>\r\n \t<li>The cage valve inner cavity of the valve body is S-shaped distribution, smooth and without dead ends; there are guide wings inside the valve body, which can reduce the mutual force of the medium inside the valve body and reduce the occurrence of cavitation.<\/li>\r\n \t<li>The use of sleeve guidance, large guide diameter, smooth guidance, with good dynamic stability.<\/li>\r\n \t<li>The cage valve seat adopts a floating design, while the sealing surface adopts a tapered form to ensure good alignment of the sealing sub.<\/li>\r\n \t<li>Sleeve window control flow characteristics, flow characteristics control accurately.<\/li>\r\n \t<li>The structure of the inner part is balanced, allowing a large differential pressure, small operating force, and large flow capacity.<\/li>\r\n \t<li>Equipment, linear and quick-open flow characteristics are available.<\/li>\r\n \t<li>Good use in the temperature range of -80 to 593\u2103.<\/li>\r\n \t<li>And pipeline connection with RF, RJ, FM, and other flange types and SW, and BW welding types.<\/li>\r\n \t<li>The flange distance conforms to GB\/T 17213.3-2005 \/ IEC 60534-3-1:2000; or ISA S75.03-1992 standard.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->","parent":0,"count":5,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3226,"label":"Cage Guided Control Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pneumatic Control Valve Positioner | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/es\/news-function-of-pneumatic-valve-positioner-api-approved-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pneumatic Control Valve Positioner | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Positioner in Control Valve? A valve positioner is a device that interfaces with the process controller and the actuator ... 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