{"id":15255,"date":"2026-06-10T03:03:53","date_gmt":"2026-06-10T03:03:53","guid":{"rendered":"https:\/\/npt-lok.com\/?p=15255"},"modified":"2026-08-18T07:23:56","modified_gmt":"2026-08-18T07:23:56","slug":"3-tipos-tipicos-de-valvulas-de-instrumentos-de-aguja-de-bola-y-de-colector","status":"publish","type":"post","link":"https:\/\/npt-lok.com\/es\/instrument-valve-types","title":{"rendered":"3 tipos t\u00edpicos de v\u00e1lvulas de instrumentaci\u00f3n: de aguja, de bola y de colector."},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Las v\u00e1lvulas de instrumentaci\u00f3n, tambi\u00e9n conocidas como v\u00e1lvulas de precisi\u00f3n, se utilizan para aislar y\/o controlar peque\u00f1os flujos de fluidos y gases en un proceso. Si trabaja con man\u00f3metros, analizadores de proceso, muestreadores de proceso o transmisores de proceso, es probable que ya se haya encontrado con una v\u00e1lvula de instrumentaci\u00f3n. El objetivo de este art\u00edculo es explicar los tres tipos m\u00e1s comunes de v\u00e1lvulas de instrumentaci\u00f3n (de aguja, de bola y de colector) y ofrecer algunas recomendaciones sobre cu\u00e1ndo utilizarlas.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Tabla de contenido<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Palanca<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#1_What_Is_an_Instrument_Valve%EF%BC%9F\" >1. \u00bfQu\u00e9 es una v\u00e1lvula de instrumentaci\u00f3n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#2_Needle_Valve\" >2. V\u00e1lvula de aguja<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#3_Ball_Valve_Instrumentation_Ball_Valve\" >3. V\u00e1lvula de bola (V\u00e1lvula de bola para instrumentaci\u00f3n)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#4_Manifold_Valve\" >4. V\u00e1lvula del colector<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#5_Needle_vs_Ball_vs_Manifold_%E2%80%93_Which_One_Do_You_Need%EF%BC%9F\" >5. Aguja vs. Bola vs. Colector: \u00bfCu\u00e1l necesitas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#6_Other_Instrument_Valve_Types_Brief_Overview\" >6. Otros tipos de v\u00e1lvulas para instrumentos (breve descripci\u00f3n general)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#FAQ\" >Preguntas frecuentes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/npt-lok.com\/es\/instrument-valve-types\/#Need_Help_Selecting_the_Right_Instrument_Valve%EF%BC%9F\" >\u00bfNecesita ayuda para seleccionar la v\u00e1lvula de instrumento adecuada?<\/a><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"1_What_Is_an_Instrument_Valve%EF%BC%9F\"><\/span><span style=\"font-weight: 400;\">1. \u00bfQu\u00e9 es un <a href=\"https:\/\/npt-lok.com\/es\/valvula-de-instrumentacion\/\">V\u00e1lvula de instrumento<\/a>\uff1f<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Una v\u00e1lvula de instrumentaci\u00f3n es un tipo espec\u00edfico de v\u00e1lvula que se utiliza en un sistema de instrumentaci\u00f3n. Su funci\u00f3n puede ser aislar, controlar o liberar la presi\u00f3n de un man\u00f3metro, un transmisor, un analizador, etc.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Las v\u00e1lvulas industriales est\u00e1n dise\u00f1adas para usarse en tuber\u00edas de di\u00e1metro relativamente grande con el fin de controlar grandes cantidades de fluido. Por otro lado, las v\u00e1lvulas para instrumentaci\u00f3n est\u00e1n dise\u00f1adas para conexiones de tuber\u00eda peque\u00f1as (de 6 mm a 25 mm) y se utilizan para controlar la cantidad de fluido de proceso que llega a un instrumento, o para aislar las conexiones a un instrumento.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Las aplicaciones comunes incluyen:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aislamiento de man\u00f3metros para su reemplazo o calibraci\u00f3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Servicio de bloqueo y purga para transmisores<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemas de muestreo<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Puertos de ventilaci\u00f3n y drenaje<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Conexiones del analizador<\/span><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"2_Needle_Valve\"><\/span><span style=\"font-weight: 400;\">2. <a href=\"https:\/\/npt-lok.com\/es\/valvula-de-aguja\/\">v\u00e1lvula de aguja<\/a><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">La v\u00e1lvula de aguja es el tipo m\u00e1s com\u00fan de v\u00e1lvula de instrumentaci\u00f3n. Su funci\u00f3n es controlar el flujo de un fluido.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El \u00e9mbolo (aguja) delgado y c\u00f3nico abre gradualmente el asiento preciso para controlar el flujo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gracias a su v\u00e1stago largo y de rosca fina, y a su punta c\u00f3nica (una aguja), la abertura del asiento aumenta o disminuye gradualmente al girar la manivela. El caudal que aumenta o disminuye con cada giro de la manivela es muy peque\u00f1o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Caracter\u00edsticas principales de la v\u00e1lvula de aguja:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Excelente precisi\u00f3n en el control del flujo<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cierre herm\u00e9tico<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trayectoria de flujo de estilo globo<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disponible con v\u00e1stago fijo (prolonga la vida \u00fatil de la v\u00e1lvula).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Opciones de embalaje:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">PTFE para uso est\u00e1ndar hasta 232 \u00b0C.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Grafito para vapor a alta temperatura de hasta 538 \u00b0C.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ideal para: Inyecci\u00f3n de productos qu\u00edmicos, sistemas hidr\u00e1ulicos, paneles de instrumentaci\u00f3n, muestreo de gases.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Limitaciones: Menor capacidad de flujo que las v\u00e1lvulas de bola. Requiere varias vueltas para abrirse o cerrarse completamente; no es adecuada para un cierre r\u00e1pido.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15242\" src=\"https:\/\/npt-lok.com\/wp-content\/uploads\/2026\/06\/P-1-OD-needle-valve.jpg\" alt=\"V\u00e1lvula de aguja de 1 OD\" width=\"400\" height=\"400\" srcset=\"https:\/\/npt-lok.com\/wp-content\/uploads\/2026\/06\/P-1-OD-needle-valve.jpg 540w, https:\/\/npt-lok.com\/wp-content\/uploads\/2026\/06\/P-1-OD-needle-valve-150x150.jpg 150w, https:\/\/npt-lok.com\/wp-content\/uploads\/2026\/06\/P-1-OD-needle-valve-12x12.jpg 12w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<h4><span class=\"ez-toc-section\" id=\"3_Ball_Valve_Instrumentation_Ball_Valve\"><\/span><span style=\"font-weight: 400;\">3. V\u00e1lvula de bola (<a href=\"https:\/\/npt-lok.com\/es\/valvula-de-bola-de-instrumentacion\/\">V\u00e1lvula de bola de instrumentaci\u00f3n<\/a>)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Las v\u00e1lvulas de bola utilizadas en instrumentaci\u00f3n se emplean para aislar un circuito de proceso y no para el control de flujo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La v\u00e1lvula de bola (v\u00e1lvula de instrumentaci\u00f3n) es un tipo de v\u00e1lvula que se utiliza para el aislamiento de encendido\/apagado y no se recomienda para el control de flujo. Este tipo de v\u00e1lvula utiliza una bola hueca giratoria que normalmente se gira un cuarto de vuelta (apertura) para permitir el libre paso del fluido a trav\u00e9s de ella.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Caracter\u00edsticas principales de la v\u00e1lvula de bola:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Desconexi\u00f3n r\u00e1pida: funcionamiento con un cuarto de vuelta.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indicaci\u00f3n visual: la posici\u00f3n de la manija indica si est\u00e1 abierta o cerrada.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Alta capacidad de flujo (trayectoria directa)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">F\u00e1cil de bloquear y etiquetar para mayor seguridad.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disponible en dise\u00f1os resistentes al fuego.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ideal para: Aislamiento de instrumentos, aislamiento de transmisores, servicio de doble bloqueo y purga, sistemas de muestreo, etc.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Limitaciones: Las v\u00e1lvulas de bola no deben utilizarse como v\u00e1lvulas de control de caudal ni como v\u00e1lvulas reductoras de presi\u00f3n, ya que pueden da\u00f1arse por el asiento de la v\u00e1lvula.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-11981\" src=\"https:\/\/npt-lok.com\/wp-content\/uploads\/2022\/12\/Butt-weld-double-ferrule-ball-valve.jpg\" alt=\"V\u00e1lvula de bola de doble f\u00e9rula con soldadura a tope\" width=\"400\" height=\"400\" srcset=\"https:\/\/npt-lok.com\/wp-content\/uploads\/2022\/12\/Butt-weld-double-ferrule-ball-valve.jpg 370w, https:\/\/npt-lok.com\/wp-content\/uploads\/2022\/12\/Butt-weld-double-ferrule-ball-valve-150x150.jpg 150w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<h4><span class=\"ez-toc-section\" id=\"4_Manifold_Valve\"><\/span><span style=\"font-weight: 400;\">4. <a href=\"https:\/\/npt-lok.com\/es\/valvula-colectora\/\">V\u00e1lvula de colector<\/a><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Existen v\u00e1lvulas colectoras que constan de varias v\u00e1lvulas individuales integradas en un \u00fanico bloque. Este tipo de v\u00e1lvulas se suelen encontrar montadas tanto en los transmisores de presi\u00f3n como en los transmisores de presi\u00f3n diferencial.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El colector est\u00e1 compuesto por varias v\u00e1lvulas conectadas en un bloque. Las configuraciones t\u00edpicas son de 2, 3 o 5 v\u00e1lvulas.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Caracter\u00edsticas principales de la v\u00e1lvula del colector:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Menos puntos de fuga que las v\u00e1lvulas y conexiones separadas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dise\u00f1o compacto en los paneles de instrumentos<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disponible con junta de fuelle o empaquetadura de v\u00e1stago.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diversas conexiones finales: tubo, NPT, soldadura de encaje<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ideal para: Se utiliza con transmisores DP para permitir el aislamiento, la puesta a cero y la purga\/desgaste seguros de los instrumentos.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tipos de colectores:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/npt-lok.com\/es\/valvula-colectora-de-2-vias\/\">Colector de 2 v\u00e1lvulas<\/a>Una v\u00e1lvula de bloqueo y una v\u00e1lvula de purga se combinan en un solo colector. Este colector se utiliza principalmente para instrumentos de presi\u00f3n de tipo man\u00f3metro.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/npt-lok.com\/es\/valvula-colectora-de-3-vias\/\">Colector de 3 v\u00e1lvulas<\/a>Se configura un colector de tres v\u00e1lvulas con dos v\u00e1lvulas de bloqueo para los lados de alta y baja presi\u00f3n del proceso y una v\u00e1lvula de ecualizaci\u00f3n. Antes de cerrar las v\u00e1lvulas de bloqueo, abra la v\u00e1lvula de ecualizaci\u00f3n. Esto equilibra la presi\u00f3n en ambos lados del transmisor. Sin este paso, al cerrar las v\u00e1lvulas de bloqueo podr\u00eda quedar atrapada una alta presi\u00f3n en un lado y da\u00f1ar el sensor.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/npt-lok.com\/es\/valvula-colectora\/valvula-colectora-de-5-vias\/\">Colector de 5 v\u00e1lvulas<\/a>: 2 v\u00e1lvulas de bloqueo, 1 v\u00e1lvula ecualizadora y 2 v\u00e1lvulas de purga. El colector de 5 v\u00e1lvulas es id\u00e9ntico al de 3 v\u00e1lvulas, salvo por los puertos de calibraci\u00f3n adicionales. Estos puertos permiten la ventilaci\u00f3n de ambos lados del transmisor y la conexi\u00f3n de los distintos equipos de calibraci\u00f3n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Limitaciones:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Las v\u00e1lvulas del colector son m\u00e1s complejas de reparar que las v\u00e1lvulas individuales: si una v\u00e1lvula falla, es posible que sea necesario reemplazar todo el colector.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Las v\u00e1lvulas de colector tienen un coste inicial m\u00e1s elevado que la compra de v\u00e1lvulas por separado.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Las v\u00e1lvulas de colector est\u00e1n limitadas al montaje en transmisores: no son aptas para uso general en tuber\u00edas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Las v\u00e1lvulas de colector solo tienen configuraciones est\u00e1ndar: los dise\u00f1os personalizados son costosos.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12510\" src=\"https:\/\/npt-lok.com\/wp-content\/uploads\/2023\/05\/5-way-manifold-valve.jpg\" alt=\"v\u00e1lvula colectora de 5 v\u00edas\" width=\"400\" height=\"400\" srcset=\"https:\/\/npt-lok.com\/wp-content\/uploads\/2023\/05\/5-way-manifold-valve.jpg 370w, https:\/\/npt-lok.com\/wp-content\/uploads\/2023\/05\/5-way-manifold-valve-150x150.jpg 150w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<h4><span class=\"ez-toc-section\" id=\"5_Needle_vs_Ball_vs_Manifold_%E2%80%93_Which_One_Do_You_Need%EF%BC%9F\"><\/span><span style=\"font-weight: 400;\">5. Aguja vs. Bola vs. Colector: \u00bfCu\u00e1l necesitas?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo de v\u00e1lvula<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Funci\u00f3n principal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Operaci\u00f3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lo mejor para<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Aguja<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Control de flujo preciso<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Multivuelta<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inyecci\u00f3n qu\u00edmica, muestreo de gases, control hidr\u00e1ulico<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Pelota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aislamiento de encendido\/apagado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Un cuarto de vuelta<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aislamiento del instrumento, apagado r\u00e1pido<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Colector<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aislamiento + ventilaci\u00f3n + ecualizaci\u00f3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Multivuelta<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Transmisores de presi\u00f3n, transmisores de presi\u00f3n diferencial<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Gu\u00eda de selecci\u00f3n r\u00e1pida:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00e1lvula de aguja: Mayor costo inicial que una v\u00e1lvula de bola, pero mayor durabilidad. Requiere varios giros para abrirse o cerrarse, por lo que no es apta para ciclos frecuentes.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00e1lvula de bola: La m\u00e1s econ\u00f3mica de las tres. La posici\u00f3n de la manija permite ver de un vistazo si est\u00e1 abierta o cerrada, lo que reduce los errores del operador.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00e1lvula de colector: Tiene el mayor costo inicial, pero ahorra en mano de obra de instalaci\u00f3n. Un solo bloque reemplaza varias v\u00e1lvulas y conexiones, lo que ahorra espacio en el panel. Desventaja: si falla una v\u00e1lvula, es posible que deba reemplazar todo el bloque.\u00a0<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"6_Other_Instrument_Valve_Types_Brief_Overview\"><\/span><span style=\"font-weight: 400;\">6. Otros tipos de v\u00e1lvulas para instrumentos (breve descripci\u00f3n general)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Las v\u00e1lvulas de aguja, de bola y de colector son, con diferencia, las m\u00e1s comunes entre las denominadas v\u00e1lvulas de instrumentaci\u00f3n. No obstante, tambi\u00e9n existe una amplia variedad de tipos adicionales para aplicaciones espec\u00edficas.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/npt-lok.com\/es\/needle-valve-for-pressure-gauge\/\">V\u00e1lvulas de man\u00f3metro<\/a> V\u00e1lvulas de cierre: Se suministran con diversas conexiones (p. ej., 1\/4\u201d BSP, etc.) y son v\u00e1lvulas de cierre sencillas que se instalan directamente entre la l\u00ednea de proceso y el man\u00f3metro. La v\u00e1lvula de cierre permite retirar el instrumento de forma segura, incluso cuando el fluido de proceso est\u00e1 a alta presi\u00f3n. Las v\u00e1lvulas de cierre suelen formar parte de un paquete de protecci\u00f3n para man\u00f3metros y tambi\u00e9n permiten el mantenimiento seguro del propio man\u00f3metro.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00e1lvulas de retenci\u00f3n: Son v\u00e1lvulas unidireccionales que permiten el flujo en una sola direcci\u00f3n. Se utilizan para evitar el reflujo de un fluido de proceso, que puede provocar un aumento repentino de presi\u00f3n o la contaminaci\u00f3n del sistema.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00e1lvulas de purga y ventilaci\u00f3n: Este tipo de v\u00e1lvula libera aire u otro fluido de las tuber\u00edas o del interior de diversos instrumentos durante el mantenimiento o la comprobaci\u00f3n de su precisi\u00f3n. La v\u00e1lvula de purga alivia la presi\u00f3n en una variedad de instrumentos.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"FAQ\"><\/span><span style=\"font-weight: 400;\">Preguntas frecuentes<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">P1: \u00bfPuedo usar una v\u00e1lvula de aguja para un servicio de encendido\/apagado?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u00ed, una v\u00e1lvula de aguja puede cortar el flujo por completo. Sin embargo, no est\u00e1 dise\u00f1ada para abrirse y cerrarse con frecuencia. El asiento se desgastar\u00e1 m\u00e1s r\u00e1pido si se abre y se cierra varias veces al d\u00eda. Para un uso frecuente, utilice una v\u00e1lvula de bola.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">P2: \u00bfPuedo usar una v\u00e1lvula de bola para regular el flujo?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">No se recomienda. Las v\u00e1lvulas de bola est\u00e1n dise\u00f1adas para funcionar como v\u00e1lvulas de apertura y cierre. El uso de una v\u00e1lvula de bola para regular el flujo puede da\u00f1ar el asiento con el tiempo. Para el control del flujo, utilice una v\u00e1lvula de aguja.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">P3: \u00bfCu\u00e1l es la diferencia entre un colector de admisi\u00f3n de 3 v\u00e1lvulas y uno de 5 v\u00e1lvulas?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Un colector de 3 v\u00e1lvulas tiene dos v\u00e1lvulas de bloqueo y una v\u00e1lvula ecualizadora. Un colector de 5 v\u00e1lvulas a\u00f1ade dos v\u00e1lvulas de purga, una para cada lado. Estas v\u00e1lvulas adicionales permiten purgar cada lado por separado y conectar equipos de calibraci\u00f3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">P4: \u00bfQu\u00e9 sucede si cierro las v\u00e1lvulas de bloqueo antes de abrir el ecualizador en un colector de 3 v\u00e1lvulas?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La presi\u00f3n atrapada en un lado del transmisor puede da\u00f1ar el sensor. Abra siempre primero el ecualizador y luego cierre las v\u00e1lvulas de bloqueo. Esto equilibra la presi\u00f3n en ambos lados antes del aislamiento.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Need_Help_Selecting_the_Right_Instrument_Valve%EF%BC%9F\"><\/span><span style=\"font-weight: 400;\">\u00bfNecesita ayuda para seleccionar la v\u00e1lvula de instrumento adecuada?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Nuestras v\u00e1lvulas de instrumentaci\u00f3n (v\u00e1lvulas de aguja, v\u00e1lvulas de bola y v\u00e1lvulas de colector) se suministran en acero inoxidable u otras aleaciones especiales. Disponemos de una variedad de conexiones para v\u00e1lvulas de instrumentaci\u00f3n, incluyendo puertos roscados NPT, BSP o m\u00e9tricos. Los tama\u00f1os var\u00edan de 1\/8\u201d a 1\u201d y ofrecemos trazabilidad completa para todos los componentes. Se entrega un Certificado de Ensayo de Materiales (MTC) para cada lote de v\u00e1lvulas de instrumentaci\u00f3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/npt-lok.com\/es\/contactenos-para-una-cotizacion\/\">Cont\u00e1ctanos<\/a> Analizaremos sus requisitos espec\u00edficos de aplicaci\u00f3n, incluyendo presi\u00f3n, temperatura, fluido y funci\u00f3n, y con gusto le proporcionaremos la v\u00e1lvula de instrumentaci\u00f3n adecuada para sus necesidades.<\/span><\/p>\n<div class=\"simg-pop-btn\" style=\"top: 2508.68px; left: 24px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2508.68px; left: 24px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Instrument valves are also known as precision valves. They are used to isolate and\/or control small flows of fluid and gas within a process. If you work with pressure gauges, process analyzers, process samplers or with process transmitters then you may have already encountered an instrument valve. The purpose of this article is to explain [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15255","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3 Typical Instrument Valve Types: Needle, Ball, and Manifold - NPTLOK Instrumentation Tube Fittings and Valves<\/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:\/\/npt-lok.com\/es\/tipos-de-valvulas-de-instrumentacion\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3 Typical Instrument Valve Types: Needle, Ball, and Manifold - NPTLOK Instrumentation Tube Fittings and Valves\" \/>\n<meta property=\"og:description\" content=\"Instrument valves are also known as precision valves. 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Racores y v\u00e1lvulas para tubos de instrumentaci\u00f3n NPTLOK","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/npt-lok.com\/es\/tipos-de-valvulas-de-instrumentacion\/","og_locale":"es_ES","og_type":"article","og_title":"3 Typical Instrument Valve Types: Needle, Ball, and Manifold - NPTLOK Instrumentation Tube Fittings and Valves","og_description":"Instrument valves are also known as precision valves. They are used to isolate and\/or control small flows of fluid and gas within a process. If you work with pressure gauges, process analyzers, process samplers or with process transmitters then you may have already encountered an instrument valve. 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