{"id":17005,"date":"2022-06-25T13:05:22","date_gmt":"2022-06-25T13:05:22","guid":{"rendered":"https:\/\/zecovalve.com\/?p=17005"},"modified":"2022-09-07T02:30:09","modified_gmt":"2022-09-07T02:30:09","slug":"comparison-of-concentric-butterfly-valves-double-offset-butterfly-valves-and-triple-offset-butterfly-valves","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/es\/comparison-of-concentric-butterfly-valves-double-offset-butterfly-valves-and-triple-offset-butterfly-valves.html","title":{"rendered":"Comparaci\u00f3n de v\u00e1lvulas de mariposa conc\u00e9ntricas, v\u00e1lvulas de mariposa de doble desplazamiento y v\u00e1lvulas de mariposa de triple desplazamiento"},"content":{"rendered":"<p>En los \u00faltimos a\u00f1os, las v\u00e1lvulas de mariposa exc\u00e9ntricas con asiento met\u00e1lico han competido con v\u00e1lvulas industriales m\u00e1s tradicionales, como las v\u00e1lvulas de globo y de bola, para aplicaciones cr\u00edticas. Sin embargo, aunque mucha gente ya sabe c\u00f3mo funciona una v\u00e1lvula de mariposa, gran parte de la confusi\u00f3n radica en en qu\u00e9 se diferencian estas v\u00e1lvulas exc\u00e9ntricas y qu\u00e9 aplicaciones son adecuadas para cada una.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfQu\u00e9 es una v\u00e1lvula de mariposa conc\u00e9ntrica?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"330\" height=\"300\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/wafer-butterfly-valve-1.jpg\" alt=\"V\u00e1lvula de mariposa Wafer\" class=\"wp-image-17037\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/wafer-butterfly-valve-1.jpg 330w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/wafer-butterfly-valve-1-300x273.jpg 300w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/figure>\n<\/div>\n\n\n<p>Tambi\u00e9n conocido como dise\u00f1o conc\u00e9ntrico, esto es com\u00fan en v\u00e1lvulas de mariposa de \u201casiento el\u00e1stico\u201d o \u201casiento de goma\u201d de servicio general. El v\u00e1stago y el disco est\u00e1n centrados en el asiento de la v\u00e1lvula, todos los cuales est\u00e1n centrados en el cuerpo de la v\u00e1lvula. El disco est\u00e1 en constante contacto con el asiento.<\/p>\n\n\n\n<p>Una ventaja de esta v\u00e1lvula es que el medio que pasa a trav\u00e9s de la v\u00e1lvula no entrar\u00e1 en contacto con el cuerpo, ya que el asiento est\u00e1 construido como una manga o cartucho dentro del cuerpo.<\/p>\n\n\n\n<p>Las v\u00e1lvulas de mariposa conc\u00e9ntricas se utilizan en aplicaciones b\u00e1sicas y especiales de l\u00edquidos y gases de hasta 200 PSI y hasta 400 grados F. La v\u00e1lvula de mariposa de compensaci\u00f3n cero puede manejar productos qu\u00edmicos, recubrimientos, alimentos, algunos s\u00f3lidos y aplicaciones abrasivas. \u00a0<\/p>\n\n\n\n<p>La v\u00e1lvula de mariposa conc\u00e9ntrica est\u00e1 disponible en hierro fundido recubierto de epoxi y acero inoxidable con m\u00faltiples materiales de asiento como Buna, EPDM, VITON, Tefl\u00f3n, Caucho natural y otros.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/20211225095254-61c6e9f6888f6.jpg\" alt=\"\" class=\"wp-image-200\" width=\"150\" height=\"211\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/20211225095254-61c6e9f6888f6.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/20211225095254-61c6e9f6888f6-213x300.jpg 213w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-double-offset-butterfly-valve\">\u00bfQu\u00e9 es una v\u00e1lvula de mariposa de doble compensaci\u00f3n?<\/h2>\n\n\n\n<p>La v\u00e1lvula de mariposa exc\u00e9ntrica doble tambi\u00e9n se puede llamar v\u00e1lvula de mariposa de alto rendimiento o v\u00e1lvula de mariposa exc\u00e9ntrica doble. Esta v\u00e1lvula es adecuada para medios m\u00e1s espesos que tienen alta presi\u00f3n porque su dise\u00f1o no permite demasiado contacto con el disco y el asiento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Caracter\u00edsticas de la v\u00e1lvula de mariposa de doble compensaci\u00f3n<\/h2>\n\n\n\n<p>El equilibrio de esta v\u00e1lvula est\u00e1 en el v\u00e1stago colocado detr\u00e1s del disco circular. Permite que el disco se autoajuste al centro, asegurando un sellado herm\u00e9tico. Incluso cuando la v\u00e1lvula est\u00e1 completamente abierta, no toca el asiento blando, lo que garantiza una vida \u00fatil m\u00e1s larga.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfQu\u00e9 es una v\u00e1lvula de mariposa de triple compensaci\u00f3n?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-768x1024.jpg\" alt=\"V\u00e1lvula de mariposa de triple compensaci\u00f3n de 16&#039;&#039; lista para su entrega - Noticias - Zeco Valve | Proveedor de v\u00e1lvulas de mariposa API\" class=\"wp-image-15337\" width=\"192\" height=\"256\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-768x1024.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-scaled-600x800.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-225x300.jpg 225w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-1152x1536.jpg 1152w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-1536x2048.jpg 1536w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-scaled.jpg 1920w\" sizes=\"auto, (max-width: 192px) 100vw, 192px\" \/><\/figure>\n<\/div>\n\n\n<p>La v\u00e1lvula de mariposa de triple descentrado incorpora los dos puntos de descentrado de la doble, pero tambi\u00e9n dispone de un tercer punto de descentrado. Relacion\u00e1ndose esta vez con los puntos de sellado en lugar del eje, el punto de sellado en el disco y el asiento est\u00e1n mecanizados en un perfil c\u00f3nico desplazado. Esto le permite funcionar completamente sin ning\u00fan contacto hasta el punto de cierre total como tope mec\u00e1nico. Por lo tanto, ambos componentes de sellado pueden estar hechos de metal sin necesidad de un elemento elastom\u00e9rico.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Caracter\u00edsticas de la v\u00e1lvula de mariposa de triple compensaci\u00f3n<\/h2>\n\n\n\n<p>Como v\u00e1lvula de mariposa, tambi\u00e9n pertenece a la familia Quarter. Tambi\u00e9n es liviano y f\u00e1cil de operar. La instalaci\u00f3n tambi\u00e9n es muy sencilla ya que se necesitan menos refuerzos de tuber\u00edas. El reemplazo de los anillos del asiento tambi\u00e9n es f\u00e1cil ya que esta v\u00e1lvula es de entrada superior.<\/p>\n\n\n\n<p>La v\u00e1lvula de mariposa de triple compensaci\u00f3n tiene un torque bajo, por lo que no es necesario tener v\u00e1lvulas m\u00e1s grandes. Dicho esto, esto significa mayores costes de ahorro. Esta v\u00e1lvula tiene cierre sin fugas en ambos extremos.<\/p>\n\n\n\n<p>La introducci\u00f3n de asientos blandos aumenta el valor de las v\u00e1lvulas. Adem\u00e1s de ser a prueba de incendios debido a los asientos met\u00e1licos debajo de los blandos, las v\u00e1lvulas ahora pueden autocentrarse gracias al material elastom\u00e9rico del asiento.<\/p>\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\/introduction-of-epdm-nbr-butterfly-valve-seat-industrial-valve-information-news-zeco-valve.html\/\">V\u00e1lvula de mariposa de NBR<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/what-is-an-axial-flow-silent-check-valve.html\/\">Qu\u00e9 es una v\u00e1lvula antirretorno axial<\/a>\n\n<\/div>\n\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diferencia entre v\u00e1lvula de compuerta y v\u00e1lvula de mariposa<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/history-of-automatic-control-valve-zeco-valve-industrial-valve-manufacturer.html\/\">\u00bfQu\u00e9 son las v\u00e1lvulas autom\u00e1ticas de control?<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>En los \u00faltimos a\u00f1os, las v\u00e1lvulas de mariposa exc\u00e9ntricas con asiento met\u00e1lico han competido con v\u00e1lvulas industriales m\u00e1s tradicionales, como las v\u00e1lvulas de globo y de bola, por cuestiones cr\u00edticas... <a title=\"Comparaci\u00f3n de v\u00e1lvulas de mariposa conc\u00e9ntricas, v\u00e1lvulas de mariposa de doble desplazamiento y v\u00e1lvulas de mariposa de triple desplazamiento\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/es\/comparison-of-concentric-butterfly-valves-double-offset-butterfly-valves-and-triple-offset-butterfly-valves.html\" aria-label=\"M\u00e1s en Comparaci\u00f3n de v\u00e1lvulas de mariposa conc\u00e9ntricas, v\u00e1lvulas de mariposa de doble desplazamiento y v\u00e1lvulas de mariposa de triple desplazamiento\">Leer m\u00e1s<\/a><\/p>","protected":false},"author":2,"featured_media":15337,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2210],"tags":[2443,1881,3190,3657,2519,2211,2184],"class_list":["post-17005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve","tag-butterfly-valve-manufacturer","tag-butterfly-valve-wikipedia","tag-butterfly-valves-manufacturer","tag-center-line-butterfly-valve","tag-concentric-butterfly-valve","tag-double-offset-butterfly-valve","tag-triple-offset-butterfly-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-768x1024.jpg",768,1024,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/es\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2210,"name":"Butterfly Valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":2210,"taxonomy":"category","description":"","parent":0,"count":49,"filter":"raw","cat_ID":2210,"category_count":49,"category_description":"","cat_name":"Butterfly Valve","category_nicename":"butterfly-valve","category_parent":0}],"tag_info":[{"term_id":2443,"name":"Butterfly Valve Manufacturer","slug":"butterfly-valve-manufacturer","term_group":0,"term_taxonomy_id":2443,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":1881,"name":"Butterfly Valve Wikipedia","slug":"butterfly-valve-wikipedia","term_group":0,"term_taxonomy_id":1881,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_49a87c-f7\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-a-butterfly-valve\">What is a Butterfly Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nButterfly Valve is a valve that can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of Ball Valves, which allows for quick shut-off. Butterfly valves are generally favored because they are lower in cost than other valve designs as well as being lighter in weight, meaning less support is required. The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.\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=\"https:\/\/zecovalve.com\/contact\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET BUTTERFLY VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Types of Butterfly Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li><strong>Concentric Butterfly Valve<\/strong>\r\n<ul>\r\n \t<li>The most basic design of a butterfly valve is a centric or concentric butterfly valve. The stem passes through the disc\u2019s centerline, and the seat is the inside diameter periphery of the valve body (Figure 4 on the left). This zero-offset valve design is known as resilient-seated because efficient sealing relies on the flexibility of the rubber seat. When closing, the disc first comes into contact with the seat at around 85\u00b0 during a 90\u00b0 rotation. Concentric butterfly valves are suitable for low-pressure ranges.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Double Offset Butterfly Valve<\/strong>\r\n<ul>\r\n \t<li>This popular valve is also known as a high-performance butterfly valve. This valve has two stems offset from the center. This creates a cam action during the application's process.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Triple Offset Butterfly Valve<\/strong>\r\n<ul>\r\n \t<li>Triple Offset Butterfly Valves are essential in applications where a bubble-tight shut-off is required. In some applications, bubble-tight shut-off cannot be achieved using double offset butterfly valves. Some applications do not lend themselves well to traditional butterfly valves, for example, applications involving harsh chemicals or media with small particles prone to clogging valves and pipelines.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Gate Valve vs Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nButterfly valves are comparatively more extensively used in large sizes compared to gate valves. Because butterfly valves open and close quickly and can be frequently operated, they are ideal for applications that require quick opening and closing, especially for emergency shutoffs.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":11,"filter":"raw"},{"term_id":3190,"name":"Butterfly Valves Manufacturer","slug":"butterfly-valves-manufacturer","term_group":0,"term_taxonomy_id":3190,"taxonomy":"post_tag","description":"<!-- wp:paragraph -->\r\n<p>Handle Wafer Butterfly Valve Price List 8 inch butterfly valve Price in China<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n<p>The price of Handle Wafer Butterfly Valve Price List 8 Inch Butterfly Valve from China is based on the bulk order quantity. ZECO Valve offers flexible prices for Butterfly Valves variations depending on the importing country and quantity.<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>China Butterfly Valve with Handles Pricelist<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n<p>Different materials, bores, and pressures determine the price of butterfly valves, if you need detailed information about China Butterfly Valve with Handles Pricelist, please contact ZECO VALVE<\/p>\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=\"https:\/\/zecovalve.com\/contact\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET CHINA BUTTERFLY VALVE WITH HANDLES PRICELIST<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:list -->\r\n<ul><li>Size: 2\u201d-12\u201d\/ 50mm \u2013300 mm <\/li><li>Design standard: API 609, BS EN 593. <\/li><li>Face-to-Face dimension: API 609, DIN 3202 k1, ISO 5752, BS 5155, MSS SP-67. <\/li><li>Flange Drilling: ANSI B 16.1, BS4504, DIN PN 10 \/ PN 16. <\/li><li>Test: API 598. Epoxy fusion coating. Different lever operator. <\/li><li>Working Pressure 10 bar \/ 16 bar <\/li><li>Testing Pressure Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. <\/li><li>Working Temperature -10\u00b0C to 80\u00b0C (NBR) -10\u00b0C to 120\u00b0C (EPDM) <\/li><\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-features-of-china-butterfly-valve-with-handles\">Features of China Butterfly Valve with Handles<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul><li>Simple structure and strong universality<\/li><li>Valve stem with surface hardening treatment<\/li><li>Adopting a non-pin four-axis connection<\/li><li>Blow out proof stem<\/li><li>ISO Top flange<\/li><li>Isolate the body and stem with medium<\/li><li>Convenient installation on site<\/li><\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Product Overview of China Butterfly Valve with Handles<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:table {\"className\":\"is-style-stripes\"} -->\r\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Place of Origin<\/td><td>China (Mainland)<\/td><td>Brand Name<\/td><td>ZECO<\/td><\/tr><tr><td>Model Number<\/td><td>D71X-16Q<\/td><td>Application<\/td><td>General<\/td><\/tr><tr><td>Material<\/td><td>GGG50<\/td><td>Temperature of Media<\/td><td>Low Temperature<\/td><\/tr><tr><td>Pressure<\/td><td>Low Pressure<\/td><td>Power<\/td><td>Manual<\/td><\/tr><tr><td>Media<\/td><td>Water<\/td><td>Port Size<\/td><td>DN50-250<\/td><\/tr><tr><td>Structure<\/td><td>Butterfly<\/td><td>Body Material<\/td><td>GGG50<\/td><\/tr><tr><td>Disc Material<\/td><td>Ductile Iron<\/td><td>Color<\/td><td>Blue<\/td><\/tr><tr><td>Working pressure<\/td><td>PN10\/16<\/td><td>Seal material<\/td><td>Rubber<\/td><\/tr><tr><td>Connection<\/td><td>Wafer<\/td><td>Medium<\/td><td>Water, Oil, Gas<\/td><\/tr><tr><td>MOQ<\/td><td>1 Piece<\/td><td>OEM<\/td><td>Available<\/td><\/tr><tr><td>End Connection<\/td><td>Wafer<\/td><td>Standard or Nonstandard<\/td><td>Standard<\/td><\/tr><\/tbody><\/table><\/figure>\r\n<!-- \/wp:table -->","parent":0,"count":7,"filter":"raw"},{"term_id":3657,"name":"Center line Butterfly Valve","slug":"center-line-butterfly-valve","term_group":0,"term_taxonomy_id":3657,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_e4c4a1-9b\"} \/-->\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 CENTERLINE BUTTERFLY VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA resilient seated butterfly valve with superior design features and materials of construction to provide repeatable tight shutoff in severe abrasive and corrosive environments for a variety of applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Standard of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Flange Standard.:DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, JIS B2239<\/li>\r\n \t<li>Valve Tested: API598<\/li>\r\n \t<li>Face to Face: DIN3202-K1, EN558-1 20 SERIES, BS5155, MSS SP-67<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Material of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:table -->\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>o<\/strong><\/td>\r\n<td><strong>Parts Name<\/strong><\/td>\r\n<td><strong>Material<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td>Body<\/td>\r\n<td>C.I. \/ D.I. \/ C.S.\u00a0\/ S.S.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td>Disc<\/td>\r\n<td>A536 60-40-18 \/ CF8 \/ CF8M \/ Br \/ AI-Br<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td>Seat<\/td>\r\n<td>NBR \/ EPDM \/ VITON \/ PTFE<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>Stem<\/td>\r\n<td>SS410 \/ SS304 \/ SS216<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>Pin<\/td>\r\n<td>SS304 \/ SS316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td>Bushing<\/td>\r\n<td>PTFE \/ Bronze<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/td>\r\n<td>O-Ring<\/td>\r\n<td>NBR \/ EPDM \/ VITON<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8<\/td>\r\n<td>Key<\/td>\r\n<td>Carbon Steel \/ SUS304 \/ SUS316<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<!-- \/wp:table -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Design Features of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Corrosion Resistance<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWith Centerline Butterfly Valves only two parts of the valve come in contact with the medium. This means that neither the body nor mechanical parts such as the shaft are exposed to the corrosive environment.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe only two parts in contact with the medium are the body lining and the disc. These are available in a selection of materials so that a suitable corrosion-resistant combination can be chosen for most any application.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Bi-directional Shutoff<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCenterline Butterfly Valves are liquid and gas-tight in both flow directions. The disc presses with uniform compression into the elastic cartridge seat over the entire circumference of the valve.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Replaceable Seat<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe replaceable seat consists of a reinforced backup ring, on which the elastomer seat material is vulcanized. When mounting the valve between the pipe flanges this stable seat cannot be deformed or displaced. The cartridge design also prevents deformation when the valve is cycled, such as stretching and bulging of the elastomer in front of the moving disc.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe fixed connection between the elastomer and the backup ring allows the use of the valve in a full vacuum and high flow velocities. The slightly protruding sealing lip of the seat also serves as the flange seal.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-features-of-centerline-butterfly-valve\">Features of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Suitable for both gaseous and liquid service<\/li>\r\n \t<li>Phenolic Backed Seat for superior sealing and long term use<\/li>\r\n \t<li>Single-piece stem design assures even torque distribution<\/li>\r\n \t<li>Positive shutoff bi-directionally<\/li>\r\n \t<li>Direct mount automation<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Applications of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>HVAC<\/li>\r\n \t<li>Chemical\/Petrochemical Processing<\/li>\r\n \t<li>Food and Beverage<\/li>\r\n \t<li>Power and Utilities<\/li>\r\n \t<li>Pulp and Paper<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->","parent":0,"count":12,"filter":"raw"},{"term_id":2519,"name":"Concentric Butterfly Valve","slug":"concentric-butterfly-valve","term_group":0,"term_taxonomy_id":2519,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":2211,"name":"Double Offset butterfly valve","slug":"double-offset-butterfly-valve","term_group":0,"term_taxonomy_id":2211,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":2184,"name":"triple offset butterfly valve","slug":"triple-offset-butterfly-valve","term_group":0,"term_taxonomy_id":2184,"taxonomy":"post_tag","description":"","parent":0,"count":8,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":2443,"label":"Butterfly Valve Manufacturer"},{"value":1881,"label":"Butterfly Valve Wikipedia"},{"value":3190,"label":"Butterfly Valves Manufacturer"},{"value":3657,"label":"Center line Butterfly Valve"},{"value":2519,"label":"Concentric Butterfly Valve"},{"value":2211,"label":"Double Offset butterfly valve"},{"value":2184,"label":"triple offset butterfly valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comparison\u00a0of Concentric Butterfly Valves, Double Offset Butterfly Valves and Triple Offset Butterfly Valves - 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\/comparison-of-concentric-butterfly-valves-double-offset-butterfly-valves-and-triple-offset-butterfly-valves.html\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comparison\u00a0of Concentric Butterfly Valves, Double Offset Butterfly Valves and Triple Offset Butterfly Valves - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"In recent years, metal-seated eccentric butterfly valves have competed with more traditional industrial valves like the globe and ball valves for critical ... 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