{"id":2049,"count":10,"description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_b1c6bf-7f\"} \/-->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"31f123f4\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"504ddfe8\",\"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-504ddfe8 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong><strong>OBTENER PRECIO DE V\u00c1LVULA DE GLOBO<\/strong><\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>\u00bfQu\u00e9 es una v\u00e1lvula de globo?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLas v\u00e1lvulas de globo, llamadas as\u00ed por su forma exterior, se utilizan mucho en las tuber\u00edas de las plantas. Son aptas para funcionamiento manual y autom\u00e1tico. A diferencia de la v\u00e1lvula de compuerta, la v\u00e1lvula de globo puede utilizarse para regular el caudal o la presi\u00f3n, as\u00ed como para cortar completamente el flujo. Tambi\u00e9n puede utilizarse a veces como v\u00e1lvula limitadora de presi\u00f3n o como v\u00e1lvula antirretorno. En comparaci\u00f3n con una v\u00e1lvula de compuerta o de bola, la v\u00e1lvula de globo tiene una p\u00e9rdida de presi\u00f3n considerablemente mayor en la posici\u00f3n totalmente abierta. Esto se debe a que el flujo de fluido cambia de direcci\u00f3n al atravesar la v\u00e1lvula. La relaci\u00f3n L\/D de este tipo de v\u00e1lvula es de aproximadamente 340. Las v\u00e1lvulas de globo se fabrican en tama\u00f1os de hasta NPS 16. Generalmente se accionan mediante volante.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>\u00bfC\u00f3mo funcionan las v\u00e1lvulas de globo?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nUna v\u00e1lvula de globo est\u00e1 dise\u00f1ada principalmente para detener, arrancar y regular el caudal. Se compone de un disco m\u00f3vil y un asiento anular fijo en un cuerpo generalmente esf\u00e9rico. El asiento de una v\u00e1lvula de globo est\u00e1 en el centro de la tuber\u00eda y paralelo a ella, y la abertura del asiento se cierra con el disco. Al girar la maneta, manualmente o mediante un actuador, el disco desciende o se eleva por medio del v\u00e1stago de la v\u00e1lvula. Cuando el disco est\u00e1 completamente bajado, se cierra el paso del fluido. Cuando el disco est\u00e1 totalmente elevado, el caudal de fluido es m\u00e1ximo. Cuando el disco se eleva por debajo del nivel m\u00e1ximo, el caudal de fluido se regula proporcionalmente al recorrido vertical del disco.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27333,\"width\":384,\"height\":317,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27333\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/globe-valve-working.png\" alt=\"\" width=\"384\" height=\"317\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Tipos de v\u00e1lvulas de globo<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nHay tres dise\u00f1os principales de cuerpo para v\u00e1lvulas de globo, a saber.. Tee patr\u00f3n o Z-cuerpo, patr\u00f3n de \u00e1ngulo, y Wye patr\u00f3n o Y-cuerpo del cuerpo.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Tee Pattern V\u00e1lvula de globo<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl dise\u00f1o de la v\u00e1lvula de globo en T es el tipo de cuerpo m\u00e1s com\u00fan, con un diafragma en forma de Z. La posici\u00f3n horizontal del asiento permite que el v\u00e1stago y el disco se desplacen perpendicularmente a la l\u00ednea horizontal. Este dise\u00f1o tiene el menor coeficiente de caudal y la mayor ca\u00edda de presi\u00f3n. Se utilizan en servicios de estrangulaci\u00f3n severos, como en l\u00edneas de derivaci\u00f3n alrededor de una v\u00e1lvula de control. Las v\u00e1lvulas de globo en T tambi\u00e9n pueden utilizarse en aplicaciones en las que la ca\u00edda de presi\u00f3n no es un problema y se requiere estrangulaci\u00f3n.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>V\u00e1lvulas de globo de escuadra<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl dise\u00f1o de las v\u00e1lvulas de globo en \u00e1ngulo es una modificaci\u00f3n de la v\u00e1lvula de globo en T b\u00e1sica. Los extremos de esta v\u00e1lvula de globo est\u00e1n en un \u00e1ngulo de 90 grados, y el flujo de fluido se produce con un \u00fanico giro de 90 grados. Tienen un coeficiente de caudal ligeramente inferior al de las v\u00e1lvulas de globo con patr\u00f3n en estrella. Se utilizan en aplicaciones que tienen periodos de flujo pulsante debido a su capacidad para manejar el efecto de slugging de este tipo de flujo.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>V\u00e1lvulas de globo en estrella<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl dise\u00f1o de las v\u00e1lvulas de globo en estrella es una alternativa a la elevada ca\u00edda de presi\u00f3n inherente a las v\u00e1lvulas de globo. El asiento y el v\u00e1stago tienen un \u00e1ngulo de aproximadamente 45 grados, lo que proporciona una trayectoria de flujo m\u00e1s recta a plena apertura y ofrece la menor resistencia al flujo. Pueden abrirse durante largos periodos sin sufrir erosi\u00f3n. Se utilizan mucho para estrangular durante operaciones estacionales o de arranque. Pueden atravesarse con una varilla para eliminar residuos cuando se utilizan en l\u00edneas de drenaje que normalmente est\u00e1n cerradas.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Construcci\u00f3n de v\u00e1lvulas de globo<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLas v\u00e1lvulas de globo suelen tener v\u00e1stagos ascendentes, y los tama\u00f1os m\u00e1s grandes son de construcci\u00f3n exterior de tornillo y yugo. Los componentes de la v\u00e1lvula de globo son similares a los de la v\u00e1lvula de compuerta. Este tipo de v\u00e1lvula tiene asientos en un plano paralelo o inclinado a la l\u00ednea de flujo.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl mantenimiento de las v\u00e1lvulas de globo es relativamente sencillo, ya que los discos y los asientos se reparan o sustituyen f\u00e1cilmente. Esto hace que las v\u00e1lvulas de globo sean especialmente adecuadas para servicios que requieren un mantenimiento frecuente de las v\u00e1lvulas. Cuando las v\u00e1lvulas se accionan manualmente, el menor recorrido del disco ofrece ventajas en cuanto al ahorro de tiempo del operario, especialmente si las v\u00e1lvulas se ajustan con frecuencia.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLa principal variaci\u00f3n en el dise\u00f1o de las v\u00e1lvulas de globo radica en los tipos de discos empleados. Los discos tipo tap\u00f3n tienen una configuraci\u00f3n larga y c\u00f3nica con una amplia superficie de apoyo. Este tipo de asiento ofrece la m\u00e1xima resistencia a la acci\u00f3n erosiva de la corriente de fluido. En el disco de composici\u00f3n, el disco tiene una cara plana que se presiona contra la abertura del asiento como una tapa. Este tipo de disposici\u00f3n del asiento no es tan adecuada para la estrangulaci\u00f3n por alta presi\u00f3n diferencial.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEn las v\u00e1lvulas Globo de hierro fundido, los discos y los anillos de asiento suelen ser de bronce. En las v\u00e1lvulas Globo de acero para temperaturas de hasta 750 \u00b0F (399 \u00b0C), el embellecedor suele ser de acero inoxidable, lo que le confiere resistencia al agarrotamiento y al gripado. Las caras de contacto suelen tratarse t\u00e9rmicamente para obtener valores de dureza diferenciales. Tambi\u00e9n se utilizan otros materiales para los embellecedores, incluidas las aleaciones a base de cobalto.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLa superficie de asiento est\u00e1 rectificada para garantizar el contacto total de la superficie de apoyo cuando la v\u00e1lvula est\u00e1 cerrada. Para las clases de presi\u00f3n m\u00e1s bajas, la alineaci\u00f3n se mantiene mediante una contratuerca de disco larga. Para presiones m\u00e1s altas, las gu\u00edas del disco se funden en el cuerpo de la v\u00e1lvula. El disco gira libremente sobre el v\u00e1stago para evitar el gripado de la cara del disco y el anillo de asiento. El v\u00e1stago se apoya en una placa de empuje endurecida, eliminando el gripado del v\u00e1stago y el disco en el punto de contacto.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Discos de v\u00e1lvula de globo<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLos discos de las v\u00e1lvulas de globo utilizan tres dise\u00f1os b\u00e1sicos de disco:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Disco esf\u00e9rico (disco convencional)<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl disco de bolas es adecuado para bajas temperaturas y bajas presiones. Ideal para operaciones de arranque y parada. No es adecuado para regular el caudal.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27330,\"width\":223,\"height\":178,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27330\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Ball-Disc.jpg\" alt=\"\" width=\"223\" height=\"178\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Disco de composici\u00f3n \uff08Enchufe giratorio\uff09<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nPor definici\u00f3n, los discos compuestos constan de varios componentes. El disco se fabrica casi siempre en metal, mientras que un anillo no met\u00e1lico se monta sobre el disco para formar la zona de asiento. El material del anillo no met\u00e1lico se elige para que tenga buenas caracter\u00edsticas contra la corrosi\u00f3n y la erosi\u00f3n, y puede fabricarse a medida para garantizar que sea adecuado para su prop\u00f3sito. Si el anillo no met\u00e1lico se elige correctamente, deber\u00eda permitir un mejor sellado. Los discos de material compuesto se emplean a menudo en aplicaciones de sistemas de vapor.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27331,\"width\":223,\"height\":179,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27331\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Composition-Disc.jpg\" alt=\"\" width=\"223\" height=\"179\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Disco de enchufe<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLos discos obturadores tienen una forma alargada y c\u00f3nica. La forma del disco de obturador lo hace mucho m\u00e1s adecuado para la estrangulaci\u00f3n que los dise\u00f1os de tipo disco compuesto y de bola.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27332,\"width\":223,\"height\":212,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27332\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/11\/Plug-Disc.jpg\" alt=\"\" width=\"223\" height=\"212\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>V\u00e1lvula de globo Conexi\u00f3n bonete<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLos cap\u00f3s son otros componentes importantes de las v\u00e1lvulas de compuerta y de globo. Al desmontar el bonete, el personal de mantenimiento tiene acceso a los mecanismos internos y puede sustituir componentes como el asiento, el v\u00e1stago, etc. (embellecedor). La conexi\u00f3n bonete - cuerpo de la v\u00e1lvula en las v\u00e1lvulas de globo tiene varios dise\u00f1os. El bonete puede estar unido al cuerpo de la v\u00e1lvula mediante pernos, bridas, soldadura o mediante un mecanismo de sellado a presi\u00f3n; el bonete puede ser parte integrante del cuerpo de la v\u00e1lvula. A continuaci\u00f3n se detallan algunas de las conexiones entre el bonete y el cuerpo de la v\u00e1lvula.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Conexi\u00f3n con bonete atornillado<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl bonete atornillado es uno de los dise\u00f1os m\u00e1s sencillos y econ\u00f3micos. Sin embargo, la junta del bonete debe acomodarse a las caras giratorias, y el desenroscado frecuente del bonete puede da\u00f1ar las caras de la junta. Adem\u00e1s, el par necesario para apretar la junta del bonete llega a ser muy grande para las v\u00e1lvulas de mayor tama\u00f1o. Por esta raz\u00f3n, el uso de bonete atornillado se restringe normalmente a tama\u00f1os de v\u00e1lvula no superiores a NPS 3.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Conexi\u00f3n por bonete soldado<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nSi el bonete est\u00e1 hecho de un material soldable, la conexi\u00f3n del bonete puede hacerse completamente por soldadura. Los bonete soldados no s\u00f3lo son econ\u00f3micos, sino tambi\u00e9n los m\u00e1s fiables, independientemente del tama\u00f1o, la presi\u00f3n de funcionamiento y la temperatura. Sin embargo, uno de sus principales inconvenientes es que s\u00f3lo se puede acceder al interior de la v\u00e1lvula retirando la soldadura, lo que puede provocar la deformaci\u00f3n del bonete. Por este motivo, los bonete soldados se utilizan normalmente s\u00f3lo cuando se espera que la v\u00e1lvula no requiera mantenimiento durante largos periodos de tiempo, cuando se trata de una v\u00e1lvula desechable o cuando la fiabilidad del sellado de la junta del bonete supera la dificultad de acceder a las partes internas de la v\u00e1lvula.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Anillo de uni\u00f3n Conexi\u00f3n del bonete<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl bonete tambi\u00e9n puede sujetarse al cuerpo de la v\u00e1lvula mediante un anillo de uni\u00f3n atornillado independiente. Esta construcci\u00f3n tiene la ventaja de impedir cualquier movimiento entre las caras de la junta mientras \u00e9sta se aprieta. Por lo tanto, desenroscar repetidamente el bonete no puede da\u00f1ar f\u00e1cilmente las caras de la junta. Al igual que con el bonete roscado, el uso de bonete con anillo de uni\u00f3n roscado est\u00e1 restringido a tama\u00f1os de v\u00e1lvula normalmente no superiores a DN 80 (NPS 3).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":4} -->\r\n<h4>Sello de presi\u00f3n Conexi\u00f3n del bonete<\/h4>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEl bonete con sello a presi\u00f3n supera la desventaja del peso dejando que la presi\u00f3n del fluido apriete la junta. Por lo tanto, la junta del bonete se hace m\u00e1s estanca a medida que aumenta la presi\u00f3n del fluido. Este principio de construcci\u00f3n suele ser el preferido para las v\u00e1lvulas de gran tama\u00f1o que funcionan a altas presiones y temperaturas.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-globe-valve-for-sale\">Venta de v\u00e1lvulas de globo<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:columns -->\r\n<div class=\"wp-block-columns\">\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":16150,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-16150\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/flange-globe-valve.jpg\" alt=\"V\u00e1lvula de globo con brida\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/zecovalve.com\/es\/products\/flange-globe-valve.html\/\">V\u00e1lvula de globo con brida<em>\/ OBTENER EL PRECIO DE LA V\u00c1LVULA &gt;<\/em><\/a><\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<a href=\"https:\/\/zecovalve.com\/es\/products\/flange-globe-valve.html\/\">V\u00e1lvula de globo de brida ZECO v\u00e1lvula de globo de brida se puede dividir de acuerdo a la ubicaci\u00f3n de la rosca del v\u00e1stago. Brida v\u00e1lvula de globo rosca del v\u00e1stago est\u00e1 fuera del cuerpo, la ventaja es que la erosi\u00f3n del v\u00e1stago del medio, f\u00e1cil lubricaci\u00f3n tal estructura es common.\/ GET VALVE PRICE &gt;<\/a>\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":16109,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-16109\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/cast-steel-globe-valve.jpg\" alt=\"V\u00e1lvula de globo de acero fundido\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/zecovalve.com\/es\/products\/cast-steel-globe-valve.html\/\">V\u00e1lvula de globo de acero fundido<em>\/ OBTENER EL PRECIO DE LA V\u00c1LVULA &gt;<\/em><\/a><\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<a href=\"https:\/\/zecovalve.com\/es\/products\/cast-steel-globe-valve.html\/\">V\u00e1lvula de globo de acero fundido ZECO v\u00e1lvula de globo de acero fundido se utiliza principalmente para ocasiones de alta presi\u00f3n y tama\u00f1o peque\u00f1o, la funci\u00f3n es conectar o truncar medio de tuber\u00edas.\/ OBTENER PRECIO DE LA V\u00c1LVULA &gt;<\/a>\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<\/div>\r\n<!-- \/wp:columns -->\r\n\r\n<!-- wp:columns -->\r\n<div class=\"wp-block-columns\">\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":16180,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-16180\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/stainless-steel-globe-valve.jpg\" alt=\"V\u00e1lvula de globo de acero inoxidable\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/zecovalve.com\/es\/products\/stainless-steel-globe-valve.html\/\">V\u00e1lvula de globo de acero inoxidable<em>\/ OBTENER EL PRECIO DE LA V\u00c1LVULA &gt;<\/em><\/a><\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<a href=\"https:\/\/zecovalve.com\/es\/products\/stainless-steel-globe-valve.html\/\">V\u00e1lvula de globo de acero inoxidable El v\u00e1stago de la v\u00e1lvula de globo de acero inoxidable ZECO est\u00e1 dise\u00f1ado con una superficie c\u00f3nica de asiento posterior del v\u00e1stago antiexplosi\u00f3n para permitir el reembalaje de la v\u00e1lvula en la posici\u00f3n totalmente abierta.\/ OBTENER PRECIO DE LA V\u00c1LVULA &gt;<\/a>\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":16107,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-16107\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/cryogenic-globe-valve.jpg\" alt=\"V\u00e1lvula de globo criog\u00e9nica\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/zecovalve.com\/es\/products\/cryogenic-globe-valve.html\/\">V\u00e1lvula de globo criog\u00e9nica<em>\/ OBTENER EL PRECIO DE LA V\u00c1LVULA &gt;<\/em><\/a><\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<a href=\"https:\/\/zecovalve.com\/es\/products\/cryogenic-globe-valve.html\/\">V\u00e1lvula de globo criog\u00e9nica Con el fin de mantener el prensaestopas alejado de los medios de baja temperatura y evitar da\u00f1os por contacto a largo plazo que afecten al rendimiento del sellado, el v\u00e1stago de la v\u00e1lvula de globo criog\u00e9nica ZECO es m\u00e1s largo para que la empaquetadura dure m\u00e1s tiempo.<\/a>\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<\/div>\r\n<!-- \/wp:columns -->\r\n\r\n<!-- wp:columns -->\r\n<div class=\"wp-block-columns\">\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":16032,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-16032\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/manual-globe-valve-1.jpg\" alt=\"v\u00e1lvula de globo manual\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/zecovalve.com\/es\/products\/manual-globe-valve.html\/\">V\u00e1lvula de globo manual<em>\/ OBTENER EL PRECIO DE LA V\u00c1LVULA &gt;<\/em><\/a><\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<a href=\"https:\/\/zecovalve.com\/es\/products\/manual-globe-valve.html\/\">V\u00e1lvula de globo manual La v\u00e1lvula de globo manual ZECO utiliza la estructura de tipo de v\u00eda. Con el fin de asegurarse de que sobre el sellado en el v\u00e1stago de embalaje, el uso flexible de grafito packing.\/ GET PRECIO DE LA V\u00c1LVULA &gt;<\/a>\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\"><\/div>\r\n<!-- \/wp:column -->\r\n\r\n<\/div>\r\n<!-- \/wp:columns -->\r\n\r\n<!-- wp:columns -->\r\n<div class=\"wp-block-columns\">\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":17514,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-17514\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/\u672a\u6807\u9898-21-131149.jpg\" alt=\"V\u00e1lvula de globo accionada por engranaje\" \/><figcaption class=\"wp-element-caption\">V\u00e1lvula de globo accionada por engranaje<\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":17558,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-17558\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/\u672a\u6807\u9898-3-125248.jpg\" alt=\"V\u00e1lvula de globo Y\" \/><figcaption class=\"wp-element-caption\">V\u00e1lvula de globo Y<\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<!-- wp:column -->\r\n<div class=\"wp-block-column\">\r\n\r\n<!-- wp:image {\"id\":17566,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image size-full\"><img class=\"wp-image-17566\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/\u672a\u6807\u9898-1-134425.jpg\" alt=\"V\u00e1lvula de globo A105\" \/><figcaption class=\"wp-element-caption\">V\u00e1lvula de globo A105<\/figcaption><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<\/div>\r\n<!-- \/wp:column -->\r\n\r\n<\/div>\r\n<!-- \/wp:columns -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Sentido de circulaci\u00f3n de las v\u00e1lvulas de globo<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nPara aplicaciones con bajas temperaturas, las v\u00e1lvulas de globo se instalan normalmente de forma que la presi\u00f3n quede por debajo del disco. Esto contribuye a un funcionamiento sencillo y ayuda a proteger la empaquetadura.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nPara aplicaciones con servicio de vapor a alta temperatura, las v\u00e1lvulas de globo se instalan de forma que la presi\u00f3n est\u00e9 por encima del disco. De lo contrario, el v\u00e1stago se contraer\u00e1 al enfriarse y tender\u00e1 a levantar el disco del asiento\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-advantages-of-globe-valve\">Ventajas de la v\u00e1lvula de globo<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Mejor cierre en comparaci\u00f3n con la v\u00e1lvula de compuerta.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Bueno para el uso frecuente, ya que no hay temor de desgaste del asiento y el disco<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>F\u00e1cil de reparar, ya que se puede acceder al asiento y al disco desde la parte superior de la v\u00e1lvula<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Funcionamiento r\u00e1pido en comparaci\u00f3n con la v\u00e1lvula de compuerta gracias a la menor longitud de carrera<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Normalmente se acciona mediante un actuador autom\u00e1tico<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Ventajas de la v\u00e1lvula de globo<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Elevada p\u00e9rdida de carga por dos o m\u00e1s giros en \u00e1ngulo recto del fluido que fluye dentro del cuerpo de la v\u00e1lvula.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Obstrucciones y discontinuidades en el paso del caudal que provocan una p\u00e9rdida de carga elevada.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>En una gran l\u00ednea de alta presi\u00f3n, las pulsaciones y los impactos pueden da\u00f1ar las piezas internas del embellecedor.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Una v\u00e1lvula de gran tama\u00f1o requiere una potencia considerable para abrirse y genera ruido durante su funcionamiento.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Es m\u00e1s pesada que otras v\u00e1lvulas de la misma presi\u00f3n nominal.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>M\u00e1s costosa que la v\u00e1lvula de compuerta.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list -->","link":"https:\/\/zecovalve.com\/es\/categoria-de-productos\/globe-valve","name":"V\u00e1lvula de globo","slug":"globe-valve","taxonomy":"product_cat","parent":0,"meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Globe Valve - Types of Globe Valve | Globe Valve Manufacturer - ZECO<\/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\/categoria-de-productos\/globe-valve\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Globe Valve - Types of Globe Valve | Globe Valve Manufacturer - ZECO\" \/>\n<meta property=\"og:description\" content=\"GET GLOBE VALVE PRICE  What is a Globe Valve?  Globe valves, so-called because of their outside shape, are widely used in plant piping. They are suitable for manual and automatic operation. Unlike the gate valve, the globe valve can be used for regulating flow or pressures as well as complete shutoff of flow. It may also be used sometimes as a pressure relief valve or as a check valve. Compared with a gate valve or ball valve, the globe valve has considerably higher pressure loss in the fully open position. This is because the flow of fluid changes direction as it goes through the valve. The L\/D ratio for this type of valve is approximately 340. Globe valves are manufactured in sizes up to NPS 16. They are generally hand wheel\u2013operated.  How do Globe Valves Work?  A globe valve is primarily designed to stop, start and regulate flow. It is comprised of a movable disk and a stationary ring seat in a generally spherical body. The seat of a globe valve is in the middle of and parallel to the pipe, and the opening in the seat is closed off with the disk. When the handle is turned, manually or through an actuator, a disc is lowered or raised by means of the valve stem. When the disc is fully lowered, the fluid flow is shut off. When the disc is fully raised, the fluid flow is at its maximum rate. When the disc is raised to less than the maximum level, the fluid flow is regulated in proportion to the vertical travel of the disc.   Globe Valve Types  There are three primary body designs for Globe valves, namely.. Tee Pattern or Z-body, Angle Pattern, and Wye Pattern or Y-body body.  Tee Pattern Globe valve  Tee Pattern Globe valve design is the most common body type, with a Z-shaped diaphragm. The horizontal setting of the seat allows the stem and disk to travel perpendicular to the horizontal line. This design has the lowest coefficient of flow and higher pressure drop. They are used in severe throttling services, such as in bypass lines around a control valve. Tee-pattern Globe valves may also be used in applications where pressure drop is not a concern and throttling is required.  Angle Pattern Globe valves  Angle Pattern Globe valves design is a modification of the basic Tee Pattern Globe valve. The ends of this Globe valve are at an angle of 90 degrees, and fluid flow occurs with a single 90 degrees turn. They have a slightly lower coefficient of flow than wye-pattern Globe valves. They are used in applications that have periods of pulsating flow because of their capability to handle the slugging effect of this type of flow.  Wye Pattern Globe valves  Wye Pattern Globe valves design is an alternative for the high pressure drop, inherent in Globe valves. The seat and stem are angled at approximately 45 degrees, which gives a straighter flowpath at full opening and offers the least resistance to flow. They can be cracked open for long periods without severe erosion. They are extensively used for throttling during seasonal or startup operations. They can be rod through to remove debris when used in drain lines that are normally closed.  Construction of Globe valves  Globe valves usually have rising stems, and the larger sizes are of the outside screw-and-yoke construction. The components of the Globe valve are similar to those of the gate valve. This type of valve has seats in a plane parallel or inclined to the line of flow.  Maintenance of Globe valves is relatively easy, as the discs and seats are readily refurbished or replaced. This makes Globe valves particularly suitable for services that require frequent valve maintenance. Where valves are operated manually, the shorter disc travel offers advantages in saving operator time, especially if the valves are adjusted frequently.  The principal variation in Globe-valve design is in the types of discs employed. Plug-type discs have a long, tapered configuration with a wide bearing surface. This type of seat provides maximum resistance to the erosive action of the fluid stream. In the composition disc, the disc has a flat face that is pressed against the seat opening like a cap. This type of seat arrangement is not as suitable for high differential pressure throttling.  In cast-iron Globe valves, discs and seat rings are usually made of bronze. In steel-Globe valves for temperatures up to 750\u00b0F (399\u00b0C), the trim is generally made of stainless steel and so provides resistance to seizing and galling. The mating faces are normally heat-treated to obtain differential hardness values. Other trim materials, including cobalt-based alloys, are also used.  The seating surface is ground to ensure full-bearing surface contact when the valve is closed. For lower pressure classes, alignment is maintained by a long disc locknut. For higher pressures, disc guides are cast into the valve body. The disc turns freely on the stem to prevent galling of the disc face and seat ring. The stem bears against a hardened thrust plate, eliminating the galling of the stem and disc at the point of contact.  Globe Valve Discs  Globe valve discs utilize three basic disc designs:  Ball Disc (Conventional Disc)  Ball disc is suitable for low temperatures and low pressures. Ideal for starting and stopping operations. Ill-suited for flow regulation.   Composition Disc \uff08Swivel Plug\uff09  Composition disc composites by definition consist of several components. The disc is almost always manufactured from metal whilst a non-metallic ring is mounted onto the disc to form the seating area. The non-metallic ring material is chosen to have good corrosion and erosion characteristics and may be custom made to ensure it is fit for purpose. If the non-metallic ring is chosen correctly, it should allow for better sealing. Composite discs are often employed for steam system applications.   Plug Disc  Plug discs have a long and tapered shape. The shape of the plug disc makes it much more suitable for throttling than the composite and ball disc type designs.   Globe Valve Bonnet Connection  Bonnets are other important components for the gate and globe type valves. By dismantling the bonnet, the maintenance staff has access to the internal mechanisms and can replace components like the seat, the stem, etc (trim). The Bonnet \u2013 Valve Body connection on globe valves comes in a variety of designs. Bonnets may be joined to the valve body by means of bolts, flanges, welding, or by means of a pressure-seal mechanism; the bonnet may be an integral part of the valve body. A few of the bonnet\u2013valve body connections are detailed further.  Bolted Bonnet Connection  The bolted (also referred to as screwed-in) bonnet is one of the simplest and least expensive designs. However, the bonnet gasket must accommodate itself to rotating faces, and frequent unscrewing of the bonnet may damage the joint faces. Also, the torque required to tighten the bonnet joint becomes very large for the higher size valves. For this reason, the use of bolted bonnets is normally restricted to valve sizes not greater than NPS 3.  Welded Bonnet Connection  If the bonnet is made of a weldable material, the bonnet connection may be made entirely by welding. Welded bonnets are not only economical but also most reliable irrespective of size, operating pressure, and temperature. However, a major drawback is that access to the valve internals can be gained only by removing the weld which may cause the bonnet to distort. For this reason, welded bonnets are normally used only where the valve can be expected to remain maintenance-free for long periods, where the valve is a throw-away valve, or where the sealing reliability of the bonnet joint outweighs the difficulty of gaining access to the valve internals.  Union Ring Bonnet Connection  The bonnet may also be held to the valve body by a separate screwed union ring. This construction has the advantage of preventing any motion between the joint faces as the joint is being tightened. Repeatedly unscrewing the bonnet, therefore, cannot readily harm the joint faces. As with the screwed-in bonnet, the use of bonnets with a screwed union ring is restricted to valve sizes normally not greater than DN 80 (NPS 3).  Pressure Seal Bonnet Connection  The pressure-seal bonnet overcomes weight disadvantage by letting the fluid pressure tighten the joint. The bonnet seal, therefore, becomes tighter as the fluid pressure increases. This construction principle is frequently preferred for large valves operating at high pressures and temperatures.  Globe Valve for Sale    Flange Globe Valve\/ GET VALVE PRICE &gt;  Flange Globe Valve ZECO flange globe valve can be divided according to the location of the stem thread. Flange globe valve stem thread is outside of the body, the advantage is that stem erosion from the medium, easy lubrication such structure is common.\/ GET VALVE PRICE &gt;    Cast Steel Globe Valve\/ GET VALVE PRICE &gt;  Cast Steel Globe Valve ZECO cast steel globe valve is mainly used for occasions of high pressure and small size, function is to connect or truncate piping medium.\/ GET VALVE PRICE &gt;      Stainless Steel Globe Valve\/ GET VALVE PRICE &gt;  Stainless Steel Globe Valve The stem of ZECO stainless steel globe valve is designed with anti-blow-out stem conical backseat surface to permit repacking of the valve in the fully open position.\/ GET VALVE PRICE &gt;    Cryogenic Globe Valve\/ GET VALVE PRICE &gt;  Cryogenic Globe Valve In order to keep the stuffing box away from low-temperature media and prevent long-term contact damage affecting sealing performance, The stem of ZECO cryogenic globe valve is lengthened to make the packing last longer.\/ GET VALVE PRICE &gt;      Manual Globe Valve\/ GET VALVE PRICE &gt;  Manual Globe Valve ZECO manual globe valve uses way type structure. In order to make sure about the sealing at the stem packing, use flexible graphite packing.\/ GET VALVE PRICE &gt;       Gear Operated Globe Valve    Y Globe Valve    A105 Globe Valve    Flow Direction of Globe\u00a0valves  For applications with low temperatures, Globe valves are normally installed so that the pressure is under the disc. This contributes to an easy operation and helps protect the packing.  For applications with high temperature steam service, Globe valves are installed so that the pressure is above the disk. Otherwise, the stem will contract upon cooling and tend to lift the disk off the seat  Advantages of Globe Valve   Better shut off as compared to gate valve.     Good for frequent operation as no fear of wear of seat and disk     Easy to repair, as the seat and disk can be accessed from the valve top     Fast operation compares to gate valve due to shorter stroke length     Usually operated by an automatic actuator    Advantages of Globe Valve   High head loss from two or more right-angle turns of flowing fluid within the valve body.     Obstructions and discontinuities in the flow path leading to a high head loss.     In a large high-pressure line, pulsations and impacts can damage internal trim parts.     A large valve requires considerable power to open and create noise while in operation.     It is heavier than other valves of the same pressure rating.     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