{"id":17471,"date":"2022-06-27T15:07:52","date_gmt":"2022-06-27T15:07:52","guid":{"rendered":"https:\/\/zecovalve.com\/?p=17471"},"modified":"2023-04-04T06:31:36","modified_gmt":"2023-04-04T06:31:36","slug":"development-history-of-butterfly-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/de\/development-history-of-butterfly-valve.html","title":{"rendered":"Entwicklungsgeschichte des Absperrventils"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-1-concentric-butterfly-valve\">1. Konzentrisches Absperrventil<\/h2>\n\n\n\n<p>Die strukturellen Merkmale des Absperrventils bestehen darin, dass die Achse des Schafts, die Mitte der Absperrplatte und die Mitte des K\u00f6rpers an derselben Position liegen. Das Gebrauchsmuster hat die Vorteile einer einfachen Struktur und einer bequemen Herstellung. Herk\u00f6mmliche Absperrventile mit Gummiauskleidung geh\u00f6ren zu dieser Kategorie. Der Nachteil besteht darin, dass die Absperrplatte und der Ventilsitz immer in einem Zustand der Extrusion, des Verkratzens, des gro\u00dfen Widerstandsabstands und des schnellen Verschlei\u00dfes sind. Um die Probleme der Extrusion und des Verkratzens zu \u00fcberwinden und die Dichtleistung sicherzustellen, besteht der Ventilsitz grunds\u00e4tzlich aus elastischen Materialien wie Gummi oder PTFE, wird jedoch auch durch die Betriebstemperatur begrenzt. Aus diesem Grund gelten Absperrventile traditionell als best\u00e4ndig gegen hohe Temperaturen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-single-eccentric-butterfly-valve\">2. Einzelnes exzentrisches Absperrventil<\/h2>\n\n\n\n<p>Um das Extrusionsproblem der <strong>konzentrisches Absperrventil<\/strong>\u00a0Aus der Drosselklappe und dem Ventilsitz wird ein einzelnes exzentrisches Drosselventil hergestellt. Seine strukturelle Besonderheit besteht darin, dass die Achse des Schafts von der Mitte der Drosselklappe abweicht, sodass das untere Ende der Drosselklappe nicht mehr der Drehmittelpunkt ist und die \u00fcberm\u00e4\u00dfige Extrusion des unteren Endes der Drosselklappe und des Ventilsitzes verteilt und gemildert wird. Aufgrund der einzelnen exzentrischen Struktur im gesamten Prozess des Ventilwechsels der Drosselklappe ist das Ph\u00e4nomen des Sitzkratzens jedoch nicht verschwunden. Der Anwendungsbereich und das konzentrische Drosselventil sind \u00e4hnlich, sodass der Benutzer nicht viel davon hat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-double-offset-butterfly-valve\">3. Doppelt versetzte Absperrklappe<\/h2>\n\n\n\n<p>Auf der Grundlage des einfach exzentrischen Absperrventils wurde das derzeit weit verbreitete doppelt exzentrische Absperrventil weiter verbessert. Und wir sind einer der Hersteller von doppelt versetzten Absperrventilen. Die Struktur weist auf, dass die Achse des Ventilschafts sowohl von der Mitte der Absperrplatte als auch von der Mitte des K\u00f6rpers abweicht. Der Effekt der doppelten Exzentrizit\u00e4t erm\u00f6glicht es der Absperrplatte, sich unmittelbar nach dem \u00d6ffnen des Ventils vom Ventilsitz zu l\u00f6sen, wodurch unn\u00f6tige \u00dcberextrusion und Kratzer zwischen der Absperrplatte und dem Ventilsitz weitgehend vermieden werden, der \u00d6ffnungswiderstand verringert wird, der Verschlei\u00df reduziert wird und die Lebensdauer des Ventilsitzes verbessert wird. Das Kratzen wird stark reduziert. Gleichzeitig kann das doppelt exzentrische Absperrventil auch den Metallsitz verwenden, was die Anwendung des Absperrventils im Hochtemperaturbereich verbessert. Da das Dichtungsprinzip jedoch eine Positionsdichtungsstruktur ist, d. h. die Dichtungsfl\u00e4che der Absperrplatte und des Sitzes stehen in Linienkontakt und die elastische Verformung, die durch die Extrusion der Absperrplatte aus dem Sitz verursacht wird, erzeugt eine Dichtungswirkung, die eine hohe Schlie\u00dfposition (insbesondere Metallsitz) und eine geringe Drucktragf\u00e4higkeit erfordert. Aus diesem Grund gelten Absperrklappen traditionell als hochdruckbest\u00e4ndig und weisen eine hohe Leckage auf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-triple-butterfly-valve\">4. Dreifach-Absperrklappe<\/h2>\n\n\n\n<p>Um hohen Temperaturen standzuhalten, m\u00fcssen harte Dichtungen verwendet werden, die jedoch gro\u00dfe Leckagen verursachen. Um Leckagen zu vermeiden, m\u00fcssen weiche Dichtungen verwendet werden, die jedoch keine hohen Temperaturen verursachen. Um den Widerspruch des Doppelexzentrizit\u00e4ts-Absperrventils zu \u00fcberwinden, wurde die dritte Exzentrizit\u00e4t des Absperrventils eingef\u00fchrt. Die Struktur zeichnet sich dadurch aus, dass die konische Achse der Dichtungsfl\u00e4che der Absperrplatte schr\u00e4g zur Zylinderachse des K\u00f6rpers verl\u00e4uft, w\u00e4hrend die Achsenposition des Doppelexzenterschafts exzentrisch ist. Das hei\u00dft, nach der dritten Exzentrizit\u00e4t ist der Dichtungsabschnitt der Absperrplatte kein echter Kreis mehr, sondern eine Ellipse. Daher ist die Form der Dichtungsfl\u00e4che asymmetrisch, wobei eine Seite zur K\u00f6rpermittellinie geneigt und die andere Seite parallel zur K\u00f6rpermittellinie verl\u00e4uft. Und wir sind einer der Hersteller von dreifach exzentrischen Absperrventilen mit hoher Qualit\u00e4t.<br><br>Das gr\u00f6\u00dfte Merkmal der dritten Exzentrizit\u00e4t besteht darin, dass sie die Dichtungsstruktur grundlegend ver\u00e4ndert, nicht die Positionsdichtung, sondern die Torsionsdichtung, d. h., sie verl\u00e4sst sich nicht auf die elastische Verformung des Sitzes, sondern ausschlie\u00dflich auf den Kontaktfl\u00e4chendruck des Sitzes, um eine Dichtwirkung zu erzielen. Daher wird das Problem der Nullleckage von Metallsitzen auf einen Schlag gel\u00f6st. Da der Druck der Kontaktfl\u00e4che proportional zum Druck des Mediums ist, werden auch das Problem des hohen Drucks und der hohen Temperaturbest\u00e4ndigkeit gel\u00f6st.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Konzentrische Absperrklappe Die strukturellen Merkmale der Absperrklappe bestehen darin, dass die Achse des Schafts, die Mitte der \u2026 <a title=\"Entwicklungsgeschichte des Absperrventils\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/de\/development-history-of-butterfly-valve.html\" aria-label=\"Mehr zu Entwicklungsgeschichte der Absperrklappe\">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":[2629,1881],"class_list":["post-17471","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","tag-api-609-butterfly-valve","tag-butterfly-valve-wikipedia","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":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"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":2629,"label":"API 609 Butterfly Valve"},{"value":1881,"label":"Butterfly Valve Wikipedia"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Development History of 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\/development-history-of-butterfly-valve.html\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Development History of Butterfly Valve - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"1. Concentric butterfly valve The structural characteristics of the butterfly valve are that the axis of the stem, the center of the ... Weiterlesen ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zecovalve.com\/de\/development-history-of-butterfly-valve.html\" \/>\n<meta property=\"og:site_name\" content=\"ZECO Valve\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-27T15:07:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-04-04T06:31:36+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\">\n\t<meta name=\"twitter:data1\" content=\"Jerry\">\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\">\n\t<meta name=\"twitter:data2\" content=\"3\u00a0Minuten\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/zecovalve.com\/#website\",\"url\":\"https:\/\/zecovalve.com\/\",\"name\":\"ZECO Valve\",\"description\":\"Industrial Ball Valve, Gate Valve and Globe Valve Manufacturer\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/zecovalve.com\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html#webpage\",\"url\":\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html\",\"name\":\"Development History of Butterfly Valve - ZECO Valve\",\"isPartOf\":{\"@id\":\"https:\/\/zecovalve.com\/#website\"},\"datePublished\":\"2022-06-27T15:07:52+00:00\",\"dateModified\":\"2023-04-04T06:31:36+00:00\",\"author\":{\"@id\":\"https:\/\/zecovalve.com\/#\/schema\/person\/f65555145e0ef282ff87649309aba6a3\"},\"breadcrumb\":{\"@id\":\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/\",\"url\":\"https:\/\/zecovalve.com\/\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html\",\"url\":\"https:\/\/zecovalve.com\/development-history-of-butterfly-valve.html\",\"name\":\"Development History of Butterfly Valve\"}}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/zecovalve.com\/#\/schema\/person\/f65555145e0ef282ff87649309aba6a3\",\"name\":\"Jerry\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","_links":{"self":[{"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/posts\/17471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/comments?post=17471"}],"version-history":[{"count":0,"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/posts\/17471\/revisions"}],"wp:attachment":[{"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/media?parent=17471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/categories?post=17471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zecovalve.com\/de\/wp-json\/wp\/v2\/tags?post=17471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}