{"id":14687,"date":"2022-01-10T12:47:02","date_gmt":"2022-01-10T12:47:02","guid":{"rendered":"https:\/\/zecovalve.com\/knife-gate-valve-flexible-and-reliable-easy-maintenance-news-zeco-valve-professional-valve-manufacturer.html"},"modified":"2022-09-08T02:53:49","modified_gmt":"2022-09-08T02:53:49","slug":"knife-gate-valve-flexible-and-reliable-easy-maintenance-news-zeco-valve-professional-valve-manufacturer","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/es\/knife-gate-valve-flexible-and-reliable-easy-maintenance-news-zeco-valve-professional-valve-manufacturer.html","title":{"rendered":"V\u00e1lvula de compuerta de cuchilla con sello duro \u2013 V\u00e1lvula de compuerta de cuchilla con sello blando"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"330\" height=\"300\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve.jpg\" alt=\"V\u00e1lvula de guillotina\" class=\"wp-image-16924\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve.jpg 330w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve-300x273.jpg 300w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-knife-gate-valve\">\u00bfQu\u00e9 es un <strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><a href=\"https:\/\/zecovalve.com\/es\/producto\/knife-gate-valve\/\">V\u00e1lvula de guillotina<\/a><\/mark><\/strong>?<\/h2>\n\n\n\n<p>V\u00e1lvula de guillotina Como sugiere el nombre, debe ser una estructura de guillotina con el equipo de v\u00e1lvula de guillotina, que corta la funci\u00f3n del producto, el prop\u00f3sito es lograr el cierre de la v\u00e1lvula del medio cuando el bloque, v\u00e1lvula de guillotina con f\u00e1cil operaci\u00f3n, libertad abierta, flexible y confiable, mantenimiento simple, excelente rendimiento de sellado y otras ventajas. Entonces, \u00bfen qu\u00e9 lugar se utiliza ahora principalmente la v\u00e1lvula de guillotina? \u00bfC\u00f3mo puede funcionar? El siguiente ser\u00e1 para usted con una v\u00e1lvula de compuerta tipo cuchilla, que es el objetivo principal del contenido relevante de la introducci\u00f3n.<\/p>\n\n\n\n<p>Prop\u00f3sitos principales de la v\u00e1lvula de guillotina:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Preparaci\u00f3n de carb\u00f3n de planta de energ\u00eda de mina, escoria, yacimiento petrol\u00edfero conectado o cortado de la tuber\u00eda en el mineral, escoria, limo;<\/li><li>Alimentos, papel, medicinas, tuber\u00edas de tratamiento de aguas residuales urbanas en la fibra, pulpa de madera, pulpa, polvo y otros medios conectados o cortados;<\/li><li>Tuber\u00edas qu\u00edmicas y de otro tipo para petr\u00f3leo, agua y vapor, conectadas o cortadas en tuber\u00edas para el tratamiento qu\u00edmico de aguas residuales, tanques de sedimentaci\u00f3n, asfalto, exportaciones de silos, frutas, cereales, aguas residuales de mataderos y otros medios;<\/li><\/ul>\n\n\n\n<p>El uso de una v\u00e1lvula de guillotina compensa la deficiencia de la v\u00e1lvula de compuerta tradicional y ordinaria. La v\u00e1lvula de guillotina ha ingresado al mercado chino hace menos de 30 a\u00f1os, durante este tiempo, desde el campo general de uso se extendi\u00f3 gradualmente a una gama m\u00e1s amplia de industrias, desde el uso de carb\u00f3n hasta alimentos y otras industrias vivas, v\u00e1lvula de guillotina Estos usos No s\u00f3lo cambi\u00f3 la producci\u00f3n industrial sino que tambi\u00e9n cambi\u00f3 nuestras vidas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfC\u00f3mo funciona una v\u00e1lvula de guillotina?<\/h2>\n\n\n\n<p>V\u00e1lvula de compuerta de cuchilla, tambi\u00e9n conocida como v\u00e1lvula de compuerta de cuchilla, v\u00e1lvula de lodo tipo cuchilla, sus partes de apertura y cierre son la compuerta, la direcci\u00f3n del movimiento de la compuerta y la direcci\u00f3n del fluido perpendicular a la fibra se pueden cortar cortando la cuchilla para cortar. los medios, dos superficies de sellado, la v\u00e1lvula de compuerta de modo m\u00e1s com\u00fanmente utilizada, dos superficies de sellado para formar una cu\u00f1a, el \u00e1ngulo de la cu\u00f1a con los par\u00e1metros de la v\u00e1lvula var\u00edan, generalmente 50, la v\u00e1lvula de compuerta de guillotina de cu\u00f1a se puede fabricar en su conjunto, llamada compuerta r\u00edgida; Tambi\u00e9n se puede hacer para producir trazas de deformaci\u00f3n de la puerta, con el fin de mejorar su artesan\u00eda, para compensar el \u00e1ngulo de la superficie de sellado en el procesamiento de la desviaci\u00f3n, esta puerta se llama puerta el\u00e1stica. El cuerpo de la v\u00e1lvula en realidad no existe en la c\u00e1mara, la compuerta en el lado de la ranura gu\u00eda se levanta y por la parte inferior de la orejeta presionada en el asiento de la v\u00e1lvula, para un sello de medio m\u00e1s alto, la elecci\u00f3n del asiento del sello en forma de O para lograr un sello bidireccional. La v\u00e1lvula de guillotina tiene un espacio de instalaci\u00f3n peque\u00f1o, baja presi\u00f3n de trabajo, f\u00e1cil acumulaci\u00f3n de residuos y un precio bajo.<\/p>\n\n\n\n<p>Cuando la compuerta de cuchilla est\u00e1 cerrada, la superficie de sellado solo se puede sellar mediante la presi\u00f3n media, es decir, mediante la presi\u00f3n media para presionar la superficie de sellado de la compuerta hacia el otro lado del asiento de la v\u00e1lvula para garantizar que la superficie de sellado Sello, que es autosellante. La v\u00e1lvula de compuerta se ve obligada a sellar, es decir, cuando la v\u00e1lvula est\u00e1 cerrada, es necesario confiar en la fuerza externa para empujar el asiento de la v\u00e1lvula para garantizar que la superficie de sellado se selle. Este tipo de v\u00e1lvula en la tuber\u00eda generalmente debe instalarse horizontalmente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Especificaciones de las v\u00e1lvulas de guillotina<\/h2>\n\n\n\n<p>Rango de tama\u00f1os: 1 1\/2\u2033-48\u2033\/DN40-DN1200<\/p>\n\n\n\n<p>Temperatura: (-) 29 \u2103 a (+) 120 \u2103<\/p>\n\n\n\n<p>Presi\u00f3n de funcionamiento permitida: PN10\/PN16<\/p>\n\n\n\n<p>Accionamiento manual, el\u00e9ctrico, neum\u00e1tico, hidr\u00e1ulico, de engranajes c\u00f3nicos, electrohidr\u00e1ulico y de gas-l\u00edquido, y otros m\u00e9todos de accionamiento. Forma de v\u00e1lvula de guillotina: varilla Ming, varilla oscura dos. Material de la puerta de la cuchilla: hierro fundido, acero fundido, acero al carbono, acero inoxidable, revestimiento de fl\u00faor, etc. Sello de v\u00e1lvula de guillotina: sello duro, sello blando, sello de una cara, sello de doble cara y otros materiales sellados.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfD\u00f3nde se utilizan las v\u00e1lvulas de guillotina?<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Miner\u00eda, lavado de carb\u00f3n, industria sider\u00fargica: utilizada para tuber\u00edas de lavado de carb\u00f3n, tuber\u00edas de filtrado de lodos, etc., tuber\u00edas de descarga de cenizas;<\/li><li>Dispositivo de purificaci\u00f3n utilizado para aguas residuales, lodos, suciedades y aguas clarificadas con materias en suspensi\u00f3n;<\/li><li>Industria del papel: se utiliza para cualquier consistencia de mezcla de pulpa, material y agua;<\/li><li>Eliminaci\u00f3n de cenizas de una central el\u00e9ctrica utilizada para lodos de cenizas.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Rendimiento de las v\u00e1lvulas de guillotina<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Para control remoto, pero tambi\u00e9n de acuerdo con los requisitos de los usuarios para lograr visualizaci\u00f3n de ubicaci\u00f3n remota y control remoto.<\/li><li>Ligero: el cuerpo est\u00e1 hecho de acero al carbono, el peso de la v\u00e1lvula tradicional se reduce en aproximadamente 20% -30%, es f\u00e1cil de instalar y mantener.<\/li><li>El uso de la v\u00e1lvula puede mejorar el rendimiento de sellado cerrado del sistema de l\u00ednea de entrega, maximizar las fugas, mejorar la eficiencia de la producci\u00f3n y proteger el medio ambiente, lo que desempe\u00f1ar\u00e1 un papel positivo en la promoci\u00f3n.<\/li><li>Superficie de sellado con materiales cer\u00e1micos altamente resistentes al desgaste y a la corrosi\u00f3n, el uso de tecnolog\u00eda de mosaico, alta resistencia a la corrosi\u00f3n, resistencia al desgaste, lo que hace que la v\u00e1lvula tenga una larga vida \u00fatil, cuesta 10 veces m\u00e1s que una v\u00e1lvula com\u00fan.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Caracter\u00edsticas de las v\u00e1lvulas de guillotina<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Levante la superficie del sello de la puerta, puede raspar la superficie de sellado del adhesivo y limpiar autom\u00e1ticamente los residuos.<\/li><li>La compuerta de acero inoxidable evita la corrosi\u00f3n causada por fugas del sello.<\/li><li>La superficie del sello de oro duro garantiza la resistencia al desgaste y los requisitos del sello.<\/li><li>La superficie de sellado del cuerpo de la v\u00e1lvula sin ranuras no produce acumulaci\u00f3n de objetos, para garantizar flexibilidad para abrir.<\/li><li>La longitud corta de la estructura puede ahorrar materia prima y el espacio de instalaci\u00f3n tambi\u00e9n es eficaz para soportar la resistencia de la tuber\u00eda.<\/li><li>El sello cient\u00edfico en el prensaestopas est\u00e1 dise\u00f1ado para que el sello sea seguro, eficaz y duradero.<\/li><li>Stent triangular para ahorrar materia prima, para asegurar las propiedades mec\u00e1nicas requeridas.<\/li><li>El cuerpo de la v\u00e1lvula en el bloque gu\u00eda para que el movimiento correcto de la compuerta y cuatro bloques de compresi\u00f3n garanticen una placa de sellado eficaz.<\/li><li>El cuerpo de la v\u00e1lvula est\u00e1 dise\u00f1ado para mejorar la resistencia del cuerpo de la v\u00e1lvula.<\/li><li>Los v\u00e1stagos de acero inoxidable son duraderos y los pernos de doble cabeza facilitan la apertura y el cierre.<\/li><li>Puede ser un mecanismo de accionamiento seleccionado arbitrariamente.<\/li><li>Calibre 150 o m\u00e1s, el uso de una estructura completamente cerrada es m\u00e1s efectivo para abrir y evitar fugas.<\/li><li>Superficie de sellado de caucho fl\u00faor para lograr el efecto de sellado y mejorar el uso de la temperatura.<\/li><li>La superficie de sellado de goma directamente en el cuerpo de la vulcanizaci\u00f3n no se caer\u00e1.<\/li><\/ul>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Etiquetas relacionadas :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/\">V\u00e1lvula ZECO<\/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 - 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V\u00e1lvula de guillotina Como su nombre indica, debe ser una estructura de guillotina con la compuerta... <a title=\"V\u00e1lvula de compuerta de cuchilla con sello duro \u2013 V\u00e1lvula de compuerta de cuchilla con sello blando\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/es\/knife-gate-valve-flexible-and-reliable-easy-maintenance-news-zeco-valve-professional-valve-manufacturer.html\" aria-label=\"M\u00e1s en V\u00e1lvula de compuerta de cuchilla de sello duro \u2013 V\u00e1lvula de compuerta de cuchilla de sello blando\">Leer m\u00e1s<\/a><\/p>","protected":false},"author":2,"featured_media":16924,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3870,2001,2756,3871],"class_list":["post-14687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-hard-seal-knife-gate-valve","tag-knife-gate-valve","tag-knife-gate-valves","tag-soft-seal-knife-gate-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve.jpg",330,300,false],"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":3870,"name":"hard seal knife gate valve","slug":"hard-seal-knife-gate-valve","term_group":0,"term_taxonomy_id":3870,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2001,"name":"Knife Gate Valve","slug":"knife-gate-valve","term_group":0,"term_taxonomy_id":2001,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_853ad1-30\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-a-knife-gate-valve\">What is a Knife Gate Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves are engineered specifically for on-off and isolation operations in systems with a high dissolved solid particle. Knife gate valves are extremely useful when dealing with slurry, abrasive, corrosive, and viscous media. The valves have a low-pressure drop in the fully open position, are simple to operate, light in weight, and cost-effective.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves are intended to work in the harshest conditions, with a sharpened blade to cut through heavy liquids.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThey are extremely helpful in wastewater applications where corrosion is a major concern. In addition to the valve design that is optimized for slurry media, having a knife gate valve composed of acid-proof stainless steel is advantageous because it is less vulnerable to corrosion damage and therefore requires less frequent maintenance or even replacements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves should always be used for applications that require a fully open or completely closed position and should not be used to regulate flow unless specifically designed for it. When fluid is pushed against a partly closed gate, a vibration occurs, gradually eroding the disc and seat. Furthermore, the knife gate valves are intended to open and close slowly to protect against the effects of the water hammer.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- 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 KNIFE GATE VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Specifications of Knife Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Available materials: WCB, WC6, WCC, LCB, LCC, Cast iron, Ductile Iron, SS316, SS304<\/li>\r\n \t<li>Size: 2\u2033 to 80\u2033<\/li>\r\n \t<li>Class: 150 to 300<\/li>\r\n \t<li>Nominal Pressure: PN6 to PN40<\/li>\r\n \t<li>Operation: Handwheel, Electric and Pneumatic Actuated, Gear operated<\/li>\r\n \t<li>Ends: Wafer, Lug, Flanged<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Types of Knife Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Uni-directional Knife Gate Valve<\/li>\r\n \t<li>Bi-directional Knife Gate Valve<\/li>\r\n \t<li>Slurry Knife Gate Valve<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Where is a Knife Gate Valve used?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves are commonly used in mining, power plants, and the paper, chemical, and food industries. They have the advantage of being very compact due to the linear movement of the shut-off damper (plate that blocks the flow of fluid in the closed position). The knife gate valve is mainly a shut-off valve, although it can be used as a control valve when the shutter is placed in the partially open position.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves can be used for fluids loaded with solid particles such as wastewater or sludge. As a general rule, the knife gate valve is designed to be sealed on the upstream side of the circuit (on the fluid inlet side), but some valves are sealed on both sides, allowing them to be used regardless of the direction of fluid flow. In the open position, the head loss is very low because the valve does not cause a change in the fluid direction.\r\nThe closing and opening time can be very long, however, and you should consider regular maintenance to correct wear problems between the shutter and sealing elements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Knife Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Reliability of operation<\/li>\r\n \t<li>The cast body of the valve is dust-tight assuring a clean operation<\/li>\r\n \t<li>Knife action to cut through a standing column of material<\/li>\r\n \t<li>Short opening and closing time<\/li>\r\n \t<li>Maintenance is easy with replaceable packing<\/li>\r\n \t<li>Modular design permitting upgrades to pack and operators<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>World's Largest Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTexas, the second largest state in the USA both in the area and population faces enormous demand for drinking water. Within Texas lies America's largest inland metropolitan area, Dallas \u2013 Fort Worth Metroplex (DFW) province which is the economic and cultural hub of North &amp; Central Texas.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe water in DFW is both sourced and managed by two major Texas water authorities, Tarrant Regional Water District (TRWD) &amp; Dallas Water Utilities (DWU). With the rapidly growing population in this area, it is expected that more than 13 million residents will need water by 2060 which is more than double the population served by the authorities today. As a result, they have partnered to execute the $2B Integrated Pipeline Project (IPL) which will enable them to increase the water supply by 350 million gallons per day (1.59 billion liters per day) meeting the ever-increasing demand in the long term.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Knife Valve Factory<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWe specialize in custom knife gate valves from 2\" to 96\u201d and above, utilizing carbon steel to stainless steel and other weldable alloys. Our staff has many years of combined experience in building knife gate valves in particular.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":7,"filter":"raw"},{"term_id":2756,"name":"knife gate valves","slug":"knife-gate-valves","term_group":0,"term_taxonomy_id":2756,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3871,"name":"soft seal knife gate valve","slug":"soft-seal-knife-gate-valve","term_group":0,"term_taxonomy_id":3871,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3870,"label":"hard seal knife gate valve"},{"value":2001,"label":"Knife Gate Valve"},{"value":2756,"label":"knife gate valves"},{"value":3871,"label":"soft seal knife gate valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hard Seal Knife Gate Valve - Soft Seal Knife Gate Valve | 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\/knife-gate-valve-flexible-and-reliable-easy-maintenance-news-zeco-valve-professional-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hard Seal Knife Gate Valve - Soft Seal Knife Gate Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Knife Gate Valve? 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