{"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\/de\/the-generation-and-application-of-flange-butterfly-valve.html","title":{"rendered":"Die Erzeugung und Anwendung von Flansch-Absperrklappen"},"content":{"rendered":"<p>Die Entwicklung von Flanschabsperrklappen ist f\u00fcr China ein zukunftsweisender Schritt. <\/p>\n\n\n\n<p>Chinas Fortschritt ist unser st\u00e4ndiges Streben und unsere harte Arbeit. Was die Entwicklung Chinas betrifft, kann die Entwicklung von Absperrklappenflanschen alles ersetzen. Als die moderne Industrie ihr Entwicklungstempo beschleunigte, entstand die Flanschabsperrklappe. Obwohl die Flanschabsperrklappe eine einfache Struktur, kleine Gr\u00f6\u00dfe und ein geringes Gewicht hat, spielt sie eine entscheidende Rolle bei der Entwicklung, Produktion und Herstellung chinesischer Flanschabsperrklappen und hat einen gewissen Impuls f\u00fcr die Entwicklung der chinesischen Ventilindustrie. Nach Jahrzehnten der Entwicklung konnte die aktuelle Ventilindustrie den Abteilungen der Benutzer Produkte in etwa zw\u00f6lf Hauptkategorien, mehr als 3.000 Modellen und mehr als 4.000 Spezifikationen anbieten, und ihre Leistungsparameter reichen von Vakuumventilen bis zu 600 MPa Ultrahochdruckventilen. Die Temperatur reicht von -196 Grad Celsius bis 570 Grad Celsius. Das verwendete Medium ist Wasser, Dampf, Harnstoff, Ethylen, Sprengstoff und andere Medien. Es ist bekannt, dass es gegenw\u00e4rtig mehr als 2.000 Ventilunternehmen mit einer bestimmten Gr\u00f6\u00dfe auf dem Markt gibt, von denen die meisten in Jiangsu, Zhejiang und der Zentralebene in China ans\u00e4ssig sind, wobei die meisten Ventilhersteller ein besonderes Augenmerk auf die Herstellung von Flanschabsperrklappen legen.<br><br>Das Flansch-Absperrventil ist einfach aufgebaut, klein und leicht und besteht aus nur wenigen Teilen. Dar\u00fcber hinaus kann es durch eine Drehung um 90\u00b0 schnell ge\u00f6ffnet und geschlossen werden. Die Bedienung ist einfach und das Ventil weist gleichzeitig gute Fl\u00fcssigkeitskontrolleigenschaften auf. Die Flansch-Absperrklappe ist in Durchmesserrichtung des Rohrs montiert. Im zylindrischen Durchgang des Absperrventilk\u00f6rpers dreht sich die scheibenf\u00f6rmige Scheibe um die Achse und der Drehwinkel liegt zwischen 0\u00b0 und 90\u00b0. Bei einer Drehung um 90\u00b0 ist das Ventil vollst\u00e4ndig ge\u00f6ffnet. In der vollst\u00e4ndig ge\u00f6ffneten Position ist die Dicke der Scheibe der Widerstand, der erzeugt werden kann, wenn das Medium durch den Ventilk\u00f6rper flie\u00dft. Daher ist der vom Ventil erzeugte Druckabfall gering und es weist bessere Eigenschaften bei der Durchflussregelung auf. Es wird haupts\u00e4chlich f\u00fcr die Wasserversorgung und -entw\u00e4sserung in Wasserwerken, Kraftwerken, Stahlwerken, bei der Papierherstellung, in der chemischen Industrie, in der Lebensmittelindustrie und anderen Systemen verwendet, insbesondere zur Verwendung als Durchflussregulierungsvorrichtung an der Wasserleitung.<br><br>ZECO ist einer der f\u00fchrenden Hersteller von\u00a0<strong>Flansch-Absperrklappen<\/strong>\u00a0in China. Kontaktieren Sie uns gerne!<\/p>","protected":false},"excerpt":{"rendered":"<p>Die Entwicklung von Flansch-Absperrklappen ist ein zukunftsweisender Schritt f\u00fcr Chinas Entwicklung. Chinas Fortschritt ist unser st\u00e4ndiges Streben und unsere harte Arbeit. \u2026 <a title=\"Die Erzeugung und Anwendung von Flansch-Absperrklappen\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/de\/the-generation-and-application-of-flange-butterfly-valve.html\" aria-label=\"Mehr zu Die Erzeugung und Anwendung von Flansch-Absperrklappen\">Weiterlesen ...<\/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\/de\/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\/de\/the-generation-and-application-of-flange-butterfly-valve.html\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\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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