{"id":17502,"date":"2022-06-27T15:48:18","date_gmt":"2022-06-27T15:48:18","guid":{"rendered":"https:\/\/zecovalve.com\/?p=17502"},"modified":"2022-10-11T07:44:07","modified_gmt":"2022-10-11T07:44:07","slug":"the-generation-and-application-of-flange-butterfly-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/es\/the-generation-and-application-of-flange-butterfly-valve.html","title":{"rendered":"La generaci\u00f3n y aplicaci\u00f3n de v\u00e1lvulas de mariposa con brida."},"content":{"rendered":"<p>El desarrollo de la v\u00e1lvula de mariposa con bridas es un paso adelante en el desarrollo de China. <\/p>\n\n\n\n<p>El avance de China es nuestra b\u00fasqueda constante y nuestro arduo trabajo. En cuanto al desarrollo de China, el desarrollo de la brida de v\u00e1lvula de mariposa puede reemplazarlo todo. Cuando la industria moderna est\u00e1 acelerando su ritmo de desarrollo, surge la v\u00e1lvula de mariposa con brida. Aunque la v\u00e1lvula de mariposa con brida tiene una estructura simple, tama\u00f1o peque\u00f1o y peso liviano, juega un papel vital en el desarrollo, producci\u00f3n y fabricaci\u00f3n de v\u00e1lvulas de mariposa con brida chinas y tiene un cierto impulso para el desarrollo de la industria de v\u00e1lvulas china. Despu\u00e9s de d\u00e9cadas de desarrollo, la industria de v\u00e1lvulas actual ha podido proporcionar a los departamentos de usuarios productos en aproximadamente doce categor\u00edas principales, m\u00e1s de 3000 modelos y m\u00e1s de 4000 especificaciones, y sus par\u00e1metros de rendimiento van desde v\u00e1lvulas de vac\u00edo hasta v\u00e1lvulas ultraaltas de 600 Mpa. v\u00e1lvulas de presi\u00f3n. La temperatura oscila entre -196 grados Celsius y 570 grados Celsius. El medio utilizado es agua, vapor, urea, etileno, explosivos y otros medios. Se sabe que en la actualidad existen en el mercado m\u00e1s de 2.000 empresas de v\u00e1lvulas de cierta escala, la mayor\u00eda de las cuales se distribuyen en Jiangsu, Zhejiang y las Llanuras Centrales de China, mientras que la mayor\u00eda de los fabricantes de v\u00e1lvulas prestan especial atenci\u00f3n a la fabricaci\u00f3n de bridas de mariposa. v\u00e1lvulas.<br><br>La v\u00e1lvula de mariposa de brida tiene una estructura simple, un tama\u00f1o peque\u00f1o y un peso liviano, y consta de solo unas pocas piezas. Adem\u00e1s, se puede abrir y cerrar r\u00e1pidamente con solo girar 90\u00b0, y el funcionamiento es sencillo, al mismo tiempo que la v\u00e1lvula tiene buenas caracter\u00edsticas de control de fluido. La placa de mariposa con brida se monta en la direcci\u00f3n del di\u00e1metro de la tuber\u00eda. En el paso cil\u00edndrico del cuerpo de la v\u00e1lvula de mariposa, el disco en forma de disco gira alrededor del eje y el \u00e1ngulo de rotaci\u00f3n est\u00e1 entre 0\u00b0 y 90\u00b0. Cuando se gira a 90\u00b0, la v\u00e1lvula est\u00e1 completamente abierta. Cuando est\u00e1 en la posici\u00f3n completamente abierta, el espesor del disco es la resistencia que se puede generar cuando el medio fluye a trav\u00e9s del cuerpo de la v\u00e1lvula, por lo que la ca\u00edda de presi\u00f3n generada por la v\u00e1lvula es peque\u00f1a, por lo que tiene mejores caracter\u00edsticas en el control de flujo. Se utiliza principalmente para el suministro y drenaje de agua en plantas de agua, plantas de energ\u00eda, fundiciones de acer\u00edas, fabricaci\u00f3n de papel, industria qu\u00edmica, alimentos y otros sistemas, especialmente para su uso como dispositivo de regulaci\u00f3n de flujo en la tuber\u00eda de agua.<br><br>ZECO es uno de los principales fabricantes de\u00a0<strong>v\u00e1lvulas de mariposa de brida<\/strong>\u00a0en China. \u00a1Bienvenido a contactarnos!<\/p>","protected":false},"excerpt":{"rendered":"<p>El desarrollo de la v\u00e1lvula de mariposa con bridas es un paso adelante en el desarrollo de China. El avance de China es nuestra b\u00fasqueda constante y nuestro arduo trabajo. \u2026 <a title=\"La generaci\u00f3n y aplicaci\u00f3n de v\u00e1lvulas de mariposa con brida.\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/es\/the-generation-and-application-of-flange-butterfly-valve.html\" aria-label=\"M\u00e1s en Generaci\u00f3n y aplicaci\u00f3n de v\u00e1lvulas de mariposa con brida\">Leer m\u00e1s<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2210],"tags":[2629,1957,2444,1881,3190,3655],"class_list":["post-17502","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","tag-api-609-butterfly-valve","tag-butterfly-valve","tag-butterfly-valve-manufacturers","tag-butterfly-valve-wikipedia","tag-butterfly-valves-manufacturer","tag-double-flanged-center-line-butterfly-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":false,"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":2629,"name":"API 609 Butterfly Valve","slug":"api-609-butterfly-valve","term_group":0,"term_taxonomy_id":2629,"taxonomy":"post_tag","description":"<!-- wp:heading -->\r\n<h2>What is API 609 Standard?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAPI 609 is the American design standard for butterfly valves, which is divided into Category A and B.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-an-api-609-butterfly-valve\">What is an API 609 Butterfly Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA butterfly valve is used to shut off or modulate the flow of a fluid (isolation and regulation). API 609 Centric butterfly valves (soft seated) are preferred to gate and ball valves for low-pressure and non-critical applications as they are cheaper, lighter, and easier to install. Eccentric butterfly valves (double offset and triple offset valves) with metal seats have surged in popularity and compete with globe and ball valves for some applications.\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 API 609 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 API 609 Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>API 609 Category A Butterfly Valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Centric or concentric butterfly valve is the primary type of butterfly valve design. In this design of the valve, the stem crosses from the centerline of the disc. Between the pipe bore and the seat, there is the inside diameter boundary. This zero-offset valve is also called resilient-seated because it relies on the adaptability of the seat rubber to seal the flow after closing it efficiently. At around 85\u00b0 during a 90\u00b0 rotation, the disc first comes into connection with the seat in this kind of valve. Concentric butterfly valves are generally used for low-pressure applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>API 609 Category B Butterfly Valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn the eccentric butterfly valve, the stem passes behind the centerline of the disc instead of passing through it. As the stem is positioned behind the centerline, the valve is called a single offset. This design helps to minimize the disc contact with the seal, which increases the service life of the valve. In double-offset butterfly valves or doubly eccentric butterfly valves, the stem is positioned at the backside of the disc with an extra offset. This stem design allows the rotating disc to cover the seat only for one to three degrees. A triple offset butterfly valve is frequently used in more complex applications that have the same design as a double offset butterfly valve. A triple offset butterfly valve is efficient and reduces wear. This valve has metal seats that create a bubble-tight shut-off and make it able to use in higher temperature applications.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":9,"filter":"raw"},{"term_id":1957,"name":"butterfly valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":1957,"taxonomy":"post_tag","description":"","parent":0,"count":30,"filter":"raw"},{"term_id":2444,"name":"Butterfly Valve Manufacturers","slug":"butterfly-valve-manufacturers","term_group":0,"term_taxonomy_id":2444,"taxonomy":"post_tag","description":"","parent":0,"count":4,"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":3655,"name":"Double Flanged Center Line Butterfly Valve","slug":"double-flanged-center-line-butterfly-valve","term_group":0,"term_taxonomy_id":3655,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_b0a475-21\"} \/-->\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 DOUBLE FLANGED CENTER LINE 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>Centerline Double Flange Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDouble flange butterfly valve with rubber vulcanized on the body with pin design. This butterfly valve series has many design features and benefits, such as high Cv ratings, minimum parts exposed to the line media, greater reliability, and a proven record of long service life. A major design advantage of this valve product line is international compatibility.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-features-of-double-flanged-center-line-butterfly-valve\">Features of Double Flanged Center Line Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>A replaceable cartridge seat design with a solid backup ring allows the best fit for vacuum applications and minimum costs over a lifetime.<\/li>\r\n \t<li>Only 2 wetted parts, disc, and seat, with no exposed metal-to-metal contact points, for maximum corrosion resistance.<\/li>\r\n \t<li>Self-centering disc with a smooth finish and spherical edge reduces wear and resists corrosion and abrasion.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Specification of Double Flanged Center Line Butterfly Valve<\/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\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Size<\/td>\r\n<td>DN80-DN1000<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Pressure<\/td>\r\n<td>0.25MPa-0.6MPa\uff0c1.0MPa\uff0c1.6MPa<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Medium<\/td>\r\n<td>Air, water, sewage, steam, gas, oil, etc<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Operated method<\/td>\r\n<td>Manual, worm gear drive, gas drive, electric drive<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Body<\/td>\r\n<td>Ductile iron, cast steel, alloy steel, stainless steel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Disc<\/td>\r\n<td>Ductile iron, cast steel, alloy steel, stainless steel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Seal ring<\/td>\r\n<td>Rubber, Teflon<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Stem<\/td>\r\n<td>Cr13, stainless steel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Packing<\/td>\r\n<td>Type 0 ring, flexible graphite<\/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>Standard of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Manufacturing: GB\/T12238-1989\uff1blS0 10631-1994\uff1bBS EN593-1998<\/li>\r\n \t<li>Flange connection standard: GB\/T17241\uff0e6-1998\uff1aIS0 7005-2; BSEN 1092-2002<\/li>\r\n \t<li>Face to face: GB\/T1 2221-1989\uff1alS0 5752-1988\uff1bBS EN558-1<\/li>\r\n \t<li>Test: GB\/T13927-1992\uff1bJB\/T9092-1999\uff1bS0 5028-1993\uff1bBS 6755-l-1986<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->","parent":0,"count":4,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":2629,"label":"API 609 Butterfly Valve"},{"value":1957,"label":"butterfly valve"},{"value":2444,"label":"Butterfly Valve Manufacturers"},{"value":1881,"label":"Butterfly Valve Wikipedia"},{"value":3190,"label":"Butterfly Valves Manufacturer"},{"value":3655,"label":"Double Flanged Center Line Butterfly Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Generation and Application of Flange Butterfly 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\/the-generation-and-application-of-flange-butterfly-valve.html\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Generation and Application of Flange Butterfly Valve - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"The development of flanged butterfly valve has a forward-looking step as China&#8217;s development. China&#8217;s advancement is our constant pursuit and hard work. ... 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