{"id":889,"date":"2024-09-26T15:54:47","date_gmt":"2024-09-26T07:54:47","guid":{"rendered":"https:\/\/www.darko-tech.com\/?post_type=products&#038;p=889"},"modified":"2025-05-06T09:20:32","modified_gmt":"2025-05-06T01:20:32","slug":"valvula-de-descarga-de-estrella","status":"publish","type":"products","link":"https:\/\/www.darko-tech.com\/es\/productos\/valvula-de-descarga-de-estrella\/","title":{"rendered":"V\u00e1lvula de descarga de estrella"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"889\" class=\"elementor elementor-889\" data-elementor-post-type=\"products\">\n\t\t\t\t<div class=\"elementor-element elementor-element-59c6cf64 e-flex e-con-boxed e-con e-parent\" data-id=\"59c6cf64\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20e020b3 elementor-widget elementor-widget-text-editor\" data-id=\"20e020b3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u00a0<\/h2><h2><strong>Destaque<\/strong><\/h2><p>La estrella de la foca dura <a href=\"https:\/\/www.bag-filters.com\/service\/rotary-valve\/\">v\u00e1lvula de descarga<\/a> Funciona con flexibilidad en entornos de altas temperaturas. Cumple altos requisitos de estanqueidad. Tambi\u00e9n funciona bien en condiciones de trabajo complejas. La v\u00e1lvula proporciona un buen efecto de sellado. Adem\u00e1s, permite un desmontaje c\u00f3modo. Sin embargo, las actuales v\u00e1lvulas de descarga de cenizas en estrella del mercado no cumplen los requisitos para el transporte y la descarga de materiales en polvo. Su rendimiento no suele ser el ideal.<\/p><p><strong>Estructura de sellado<\/strong>: El firme encaje entre las superficies met\u00e1licas crea la estructura de estanquidad de las v\u00e1lvulas de junta dura. Esta estructura proporciona un buen rendimiento de sellado.<\/p><p><strong>Temperatura aplicable<\/strong>: Debido a la estructura met\u00e1lica de sellado, las v\u00e1lvulas de junta dura pueden funcionar a temperaturas relativamente altas, que suelen oscilar entre -196\u00b0C y +650\u00b0C.<\/p><p><strong>Medios aplicables<\/strong>: Las v\u00e1lvulas de junta dura tienen una estructura de sellado m\u00e1s fiable que las v\u00e1lvulas de bola de junta blanda. Por lo tanto, pueden utilizarse con una gama m\u00e1s amplia de medios, incluidos gases, l\u00edquidos y vapor.<\/p><p><strong>Rendimiento de sellado<\/strong>: El rendimiento de estanquidad de las v\u00e1lvulas de junta dura es superior al de las v\u00e1lvulas de bola de junta blanda, ofreciendo una mayor fiabilidad.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1706 aligncenter\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-1.jpg\" alt=\"\" width=\"990\" height=\"326\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-1.jpg 990w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-1-300x99.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-1-768x253.jpg 768w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><\/p><h2><strong>Aplicaci\u00f3n<\/strong><\/h2><p>Las v\u00e1lvulas de descarga de estrella de junta dura se utilizan principalmente en campos industriales como la petroqu\u00edmica, el gas natural y la generaci\u00f3n de energ\u00eda. Tambi\u00e9n se utilizan en situaciones que requieren resistencia a alta presi\u00f3n, alta temperatura y medios fuertemente corrosivos. Estas v\u00e1lvulas suelen fabricarse con materiales de alta resistencia, como acero inoxidable o acero aleado. Esto garantiza su estabilidad y fiabilidad en condiciones extremas. Entre las ventajas de las v\u00e1lvulas de junta dura est\u00e1 su buena capacidad para soportar presi\u00f3n. Tambi\u00e9n ofrecen resistencia a la corrosi\u00f3n y rendimiento a altas temperaturas. Estas caracter\u00edsticas les permiten funcionar de forma estable durante periodos prolongados en entornos industriales dif\u00edciles.<\/p><h2><strong>Estructura y dibujo<\/strong><\/h2><p>Darko utiliza motores y reductores fiables y de marca para la v\u00e1lvula de descarga en estrella. El rotor, fabricado con materiales especiales, presenta una estructura \u00fanica que se adapta totalmente a los cambios de temperatura del sistema t\u00e9rmico de cocci\u00f3n. El rascador resistente al desgaste del rotor est\u00e1 colocado con precisi\u00f3n, lo que hace que el mantenimiento sea c\u00f3modo y sencillo.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1707 aligncenter\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-2-1.jpg\" alt=\"\" width=\"990\" height=\"398\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-2-1.jpg 990w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-2-1-300x121.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Star-ash-discharge-valve-2-1-768x309.jpg 768w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><\/p><h2><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1704 aligncenter\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Appearace-diagram.jpg\" alt=\"\" width=\"990\" height=\"494\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Appearace-diagram.jpg 990w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Appearace-diagram-300x150.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Appearace-diagram-768x383.jpg 768w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><\/h2><h2><strong>Principio de funcionamiento de la v\u00e1lvula de descarga en estrella<\/strong><\/h2><p>Cuando el reductor el\u00e9ctrico funciona, impulsa el impulsor mediante un acoplamiento unidireccional. El dise\u00f1o incluye una placa de acero de sellado duro el\u00e1stico resistente a altas temperaturas instalada en el impulsor de alimentaci\u00f3n. Cuando el mecanismo de transmisi\u00f3n hace girar el rotor, fija el impulsor de alimentaci\u00f3n y la placa de acero de sellado duro el\u00e1stico con placas de presi\u00f3n y pernos. A continuaci\u00f3n, el rotor hace girar la placa de acero de junta dura el\u00e1stica dentro del cuerpo de la v\u00e1lvula. El impulsor de alimentaci\u00f3n transporta el material desde la entrada del alimentador (boca superior) hasta la salida del alimentador (boca inferior) para lograr la descarga.<\/p><h2><strong>Especificaci\u00f3n\u00a0<\/strong><\/h2><table><tbody><tr><td style=\"text-align: center;\" width=\"270\">Especificaciones del rotor\uff0cmm<\/td><td style=\"text-align: center;\" width=\"197\">Caudal m\u00e1ximo\uff0ct\/h<\/td><td style=\"text-align: center;\" width=\"140\">c\u00d7d<\/td><td style=\"text-align: center;\" width=\"180\">m<\/td><\/tr><tr><td style=\"text-align: center;\" width=\"270\"><strong>\u03a6<\/strong>500\u00d7700<\/td><td style=\"text-align: center;\" width=\"197\">150<\/td><td style=\"text-align: center;\" width=\"140\">500\u00d7700<\/td><td style=\"text-align: center;\" width=\"180\">2075<\/td><\/tr><tr><td style=\"text-align: center;\" width=\"270\"><strong>\u03a6<\/strong>630\u00d7800<\/td><td style=\"text-align: center;\" width=\"197\">300<\/td><td style=\"text-align: center;\" width=\"140\">630\u00d7800<\/td><td style=\"text-align: center;\" width=\"180\">2396<\/td><\/tr><tr><td style=\"text-align: center;\" width=\"270\"><strong>\u03a6<\/strong>800\u00d71000<\/td><td style=\"text-align: center;\" width=\"197\">350<\/td><td style=\"text-align: center;\" width=\"140\">800\u00d71000<\/td><td style=\"text-align: center;\" width=\"180\">2950<\/td><\/tr><\/tbody><\/table><h2><strong>Tambi\u00e9n le puede interesar<\/strong><\/h2><table style=\"border-collapse: collapse; width: 100%;\"><tbody><tr><td style=\"width: 30.8333%;\"><figure id=\"attachment_1550\" aria-describedby=\"caption-attachment-1550\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/es\/productos\/valvula-desviadora-de-tres-vias\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1550\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Two-Way-Gravity-Diverter-Valve-300x300.jpg\" alt=\"Una m\u00e1quina met\u00e1lica de color azul, concretamente una v\u00e1lvula desviadora de gravedad de dos v\u00edas, descansa en el suelo, destacando su robusta construcci\u00f3n.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Two-Way-Gravity-Diverter-Valve-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Two-Way-Gravity-Diverter-Valve-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Two-Way-Gravity-Diverter-Valve-768x768.jpg 768w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Two-Way-Gravity-Diverter-Valve.jpg 800w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-1550\" class=\"wp-caption-text\">V\u00e1lvula desviadora de tres v\u00edas<\/figcaption><\/figure><\/td><td style=\"width: 35.8333%;\"><figure id=\"attachment_3079\" aria-describedby=\"caption-attachment-3079\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/es\/productos\/valvula-desviadora-de-cuatro-vias\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3079\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Four-way-diverter-valve-3-150x150.jpg\" alt=\"Hay una gran m\u00e1quina met\u00e1lica en el almac\u00e9n, con una v\u00e1lvula de desv\u00edo por gravedad de cuatro v\u00edas junto a ella, que muestra un ambiente industrial.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Four-way-diverter-valve-3-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Four-way-diverter-valve-3-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Four-way-diverter-valve-3-1024x1024.jpg 1024w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Four-way-diverter-valve-3-768x768.jpg 768w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Four-way-diverter-valve-3.jpg 1500w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-3079\" class=\"wp-caption-text\">V\u00e1lvula desviadora de cuatro v\u00edas<\/figcaption><\/figure><\/td><td style=\"width: 33.3333%;\"><figure id=\"attachment_1623\" aria-describedby=\"caption-attachment-1623\" style=\"width: 266px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/es\/productos\/valvula-de-clapeta-de-desvio-personalizada\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1623\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Electric-distributing-valve.jpg\" alt=\"Dos grandes dep\u00f3sitos industriales sobre pal\u00e9s en un almac\u00e9n, con una v\u00e1lvula distribuidora el\u00e9ctrica para una gesti\u00f3n eficaz de los fluidos.\" width=\"266\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Electric-distributing-valve.jpg 558w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Electric-distributing-valve-300x225.jpg 300w\" sizes=\"auto, (max-width: 266px) 100vw, 266px\" \/><\/a><figcaption id=\"caption-attachment-1623\" class=\"wp-caption-text\">V\u00e1lvula de clapeta de desv\u00edo personalizada<\/figcaption><\/figure><\/td><\/tr><tr><td style=\"width: 30.8333%;\"><figure id=\"attachment_2032\" aria-describedby=\"caption-attachment-2032\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/es\/productos\/colector-de-polvo-atex\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2032\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/ATEX-dust-collector-2.jpg\" alt=\"En el exterior de una f\u00e1brica blanca se alza un gran colector de polvo ATEX, dise\u00f1ado para una gesti\u00f3n segura y eficaz del polvo en entornos peligrosos.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/ATEX-dust-collector-2.jpg 800w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/ATEX-dust-collector-2-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/ATEX-dust-collector-2-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/ATEX-dust-collector-2-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-2032\" class=\"wp-caption-text\">Colector de polvo ATEX<\/figcaption><\/figure><\/td><td style=\"width: 35.8333%;\"><figure id=\"attachment_1987\" aria-describedby=\"caption-attachment-1987\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/es\/productos\/valvula-limitadora-de-presion\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1987\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Pressure-relief-valve-1.jpg\" alt=\"La v\u00e1lvula de alivio de presi\u00f3n descansa sobre el suelo de hormig\u00f3n, su construcci\u00f3n duradera est\u00e1 dise\u00f1ada para garantizar la seguridad y la regulaci\u00f3n eficaz de la presi\u00f3n.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Pressure-relief-valve-1.jpg 800w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Pressure-relief-valve-1-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Pressure-relief-valve-1-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Pressure-relief-valve-1-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-1987\" class=\"wp-caption-text\">V\u00e1lvula de alivio de presi\u00f3n<\/figcaption><\/figure><\/td><td style=\"width: 33.3333%;\"><figure id=\"attachment_2572\" aria-describedby=\"caption-attachment-2572\" style=\"width: 267px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/es\/productos\/valvula-desviadora-de-clapeta\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2572\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Diverter-flap-valve-6.jpg\" alt=\"Una serie de cajas met\u00e1licas, indicativas de una v\u00e1lvula de compuerta desviadora de dos v\u00edas, organizadas en una formaci\u00f3n apilada.\" width=\"267\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Diverter-flap-valve-6.jpg 800w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Diverter-flap-valve-6-300x225.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Diverter-flap-valve-6-768x576.jpg 768w\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" \/><\/a><figcaption id=\"caption-attachment-2572\" class=\"wp-caption-text\">V\u00e1lvula de clapeta desviadora<\/figcaption><\/figure><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>La v\u00e1lvula de descarga de estrella de sellado duro ha sido dise\u00f1ada y desarrollada por Darko. Soluciona defectos como un efecto de bloqueo del aire deficiente y un sellado interior inadecuado. Estos problemas surgen por una holgura excesiva entre el rotor del impulsor y el cuerpo de la v\u00e1lvula durante el transporte y la descarga de materiales en polvo. Tambi\u00e9n aborda los problemas causados por una holgura insuficiente, que puede provocar el impacto del rotor del impulsor. Adem\u00e1s, tiene en cuenta los efectos de la temperatura y los materiales en el rendimiento.<\/p>","protected":false},"featured_media":1973,"parent":0,"menu_order":0,"template":"","product":[84],"size":[],"material":[],"class_list":["post-889","products","type-products","status-publish","has-post-thumbnail","hentry","product-high-quality-valves-reliable-solutions-for-fluid-control"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>star discharge valve | rotary valve | Darko<\/title>\n<meta name=\"description\" content=\"Star discharge valve, also known as impeller feeder, rotary feeder, airlock valve, etc., is widely used in cement industry.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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