{"id":2467,"count":6,"description":"\r\n\r\nZECO company currently mainly supplies the following five forms of butterfly valves, including\u00a0triple offset butterfly valve, LUG butterfly valve, high-performance butterfly valve, metal seated butterfly valve, and double offset butterfly valve. Each is designed and produced according to the customer's needs in the industry. We promise the product quality and the competitive price of our butterfly valve.\r\n\r\n\r\n\r\n\r\n\r\nOBTENHA O TIPO DE V\u00c1LVULA BORBOLETA NAS INFORMA\u00c7\u00d5ES DE DESIGN DE FECHAMENTO DO DISCO<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n

Tipo de v\u00e1lvula borboleta no projeto de fechamento de disco<\/h2>\r\n\r\n\r\n\r\n

V\u00e1lvula de borboleta conc\u00eantrica<\/h3>\r\n\r\n\r\n\r\n\r\nO projeto mais b\u00e1sico de uma v\u00e1lvula borboleta \u00e9 uma v\u00e1lvula borboleta c\u00eantrica ou conc\u00eantrica. A haste passa pela linha central do disco e a sede fica na periferia do di\u00e2metro interno do corpo da v\u00e1lvula. Este projeto de v\u00e1lvula de deslocamento zero \u00e9 conhecido como sede resiliente porque a veda\u00e7\u00e3o eficiente depende da flexibilidade da sede de borracha. Ao fechar, o disco entra primeiro em contato com a sede em cerca de 85\u00b0 durante uma rota\u00e7\u00e3o de 90\u00b0. As v\u00e1lvulas borboleta conc\u00eantricas s\u00e3o adequadas para faixas de baixa press\u00e3o.\r\n\r\n\r\n\r\n\r\n

V\u00e1lvula de borboleta de desvio duplo<\/h3>\r\n\r\n\r\n\r\n\r\nNo Double Offset, o disco \u00e9 deslocado da linha central da v\u00e1lvula e tamb\u00e9m da linha central do corpo da v\u00e1lvula. Voc\u00ea pode ver isso na imagem onde um e dois est\u00e3o escritos. Isto cria uma a\u00e7\u00e3o de came durante a opera\u00e7\u00e3o que levanta a sede para fora da veda\u00e7\u00e3o.\r\n\r\n\r\n\r\n\r\n\r\nO deslocamento duplo torna a abertura e o fechamento suaves, pois o atrito \u00e9 aplic\u00e1vel apenas durante os primeiros graus de abertura e os \u00faltimos graus de fechamento, aproximadamente 10 graus de abertura e fechamento.\r\n\r\n\r\n\r\n\r\n

V\u00e1lvula de borboleta de desvio triplo<\/h3>\r\n\r\n\r\n\r\n\r\nO design exclusivo das v\u00e1lvulas de deslocamento triplo evita escoria\u00e7\u00f5es e arranh\u00f5es entre a sede met\u00e1lica e o disco met\u00e1lico. A veda\u00e7\u00e3o s\u00f3 entra em contato com a sede no ponto de fechamento completo. V\u00e1lvulas de deslocamento triplo s\u00e3o geralmente usadas em aplica\u00e7\u00f5es que exigem fechamento herm\u00e9tico bidirecional. Por exemplo, em petr\u00f3leo e g\u00e1s, f\u00e1bricas de produtos qu\u00edmicos, terminais e tanques de GNL\/NPG e constru\u00e7\u00e3o naval. Eles tamb\u00e9m s\u00e3o usados para \u00f3leo sujo ou pesado para evitar extrus\u00e3o.\r\n\r\n\r\n\r\n\r\n

Lista de v\u00e1lvula borboleta para venda<\/h2>\r\n\r\n\r\n\r\n
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\"V\u00e1lvula
V\u00e1lvula de borboleta de desvio triplo\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/em><\/a><\/figcaption><\/figure>\r\n\r\n\r\n\r\n\r\nV\u00e1lvula borboleta de deslocamento triplo A v\u00e1lvula borboleta de deslocamento triplo ZECO adota uma estrutura tr\u00eas exc\u00eantrica, que aumenta a excentricidade do \u00e2ngulo no tempo com base na v\u00e1lvula borboleta de deslocamento duplo com veda\u00e7\u00e3o de metal com metal.\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/a>\r\n\r\n\r\n\r\n<\/div>\r\n\r\n\r\n\r\n
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\"V\u00e1lvula
V\u00e1lvula de borboleta de encaixe\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/em><\/a><\/figcaption><\/figure>\r\n\r\n\r\n\r\n\r\nLug Butterfly Valve ZECO is one of the world's leading manufacturers of high-performance butterfly valves. The gland flange design of ZECO high-performance butterfly valve applies load against packing gland to prevent external leakage.\/ GET VALVE PRICE ><\/a>\r\n\r\n\r\n\r\n<\/div>\r\n\r\n\r\n<\/div>\r\n\r\n\r\n\r\n
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\"V\u00e1lvula
V\u00e1lvula borboleta de alto desempenho\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/em><\/a><\/figcaption><\/figure>\r\n\r\n\r\n\r\n\r\nHigh Performance Butterfly Valve ZECO is one of the world's leading manufacturers of high-performance butterfly valves. ZECO high-performance butterfly valve's fireproof bi-directional resilient seat design ensures zero leakage of the valve during normal operation.\/ GET VALVE PRICE ><\/a>\r\n\r\n\r\n\r\n<\/div>\r\n\r\n\r\n\r\n
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\"V\u00e1lvula
V\u00e1lvula borboleta com sede met\u00e1lica\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/em><\/a><\/figcaption><\/figure>\r\n\r\n\r\n\r\n\r\nMetal Seated Butterfly Valve ZECO is a global professional supplier of hard seal butterfly valves. ZECO's professional technology, production process and maintenance guidance have made ZECO a leader in the field of valves.\/ GET VALVE PRICE ><\/a>\r\n\r\n\r\n\r\n<\/div>\r\n\r\n\r\n<\/div>\r\n\r\n\r\n\r\n
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\"V\u00e1lvula
V\u00e1lvula de borboleta de desvio duplo\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/em><\/a><\/figcaption><\/figure>\r\n\r\n\r\n\r\n\r\nV\u00e1lvula borboleta de duplo deslocamento A v\u00e1lvula borboleta de duplo deslocamento ZECO pode ter sede de borracha, sede de PTFE e sede de PTFE \u00e0 prova de fogo. E a v\u00e1lvula borboleta de duplo deslocamento ZECO tem dois deslocamentos.\/ OBTER PRE\u00c7O DA V\u00c1LVULA ><\/a>\r\n\r\n\r\n\r\n<\/div>\r\n\r\n\r\n\r\n
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Informa\u00e7\u00f5es do produto da v\u00e1lvula borboleta ZECO<\/h2>\r\n\r\n\r\n\r\n\r\nV\u00e1lvula borboleta exc\u00eantrica dupla ZECO (deslocamento duplo): o design \u00e9 atualizado a partir de uma v\u00e1lvula borboleta exc\u00eantrica \u00fanica e a v\u00e1lvula borboleta exc\u00eantrica dupla \u00e9 atualmente a v\u00e1lvula borboleta mais comumente usada. A caracter\u00edstica \u00e9 que a haste est\u00e1 deslocada da linha central do disco e da linha central do corpo da v\u00e1lvula. O efeito exc\u00eantrico duplo faz com que o disco se desengate rapidamente da sede da v\u00e1lvula ap\u00f3s a abertura, o que elimina muito a compress\u00e3o excessiva e a raspagem desnecess\u00e1ria do disco e da sede da v\u00e1lvula, diminui o torque de abertura, reduz o desgaste e melhora sua vida \u00fatil. A raspagem \u00e9 bastante reduzida e a v\u00e1lvula borboleta exc\u00eantrica dupla tamb\u00e9m est\u00e1 dispon\u00edvel para sedes metal-metal, o que melhora a aplica\u00e7\u00e3o da v\u00e1lvula borboleta em condi\u00e7\u00f5es de trabalho em alta temperatura. No entanto, o projeto de veda\u00e7\u00e3o \u00e9 de estrutura de veda\u00e7\u00e3o de posi\u00e7\u00e3o, ou seja, a superf\u00edcie de contato do disco da v\u00e1lvula e a sede est\u00e1 em contato direto, e a veda\u00e7\u00e3o depende da deforma\u00e7\u00e3o el\u00e1stica criada pela sede da v\u00e1lvula de press\u00e3o do disco, portanto, tem um requisito estrito do fechamento da v\u00e1lvula (especialmente para sede de metal com metal), o rolamento \u00e9 adequado apenas para baixa press\u00e3o, e \u00e9 por isso que as pessoas pensam que as v\u00e1lvulas borboleta n\u00e3o s\u00e3o adequadas para aplica\u00e7\u00f5es de alta press\u00e3o e baixo vazamento.\r\n\r\n\r\n\r\n\r\n\r\nZECO triple eccentric(triple offset) butterfly valve: to make the valve suitable for a high-temperature application, metal to metal seal should be used, but there will be a leakage in the meantime. In order to achieve zero leakage, soft material for sealing should be considered, but obviously, the soft seal is not suitable for high-temperature applications. Therefore the third eccentricity of the butterfly valve was designed to make up for the shortcoming of a double eccentric butterfly valve. The feature is that the conical axis of the contact surface of the valve disc is deflected to the axis of the valve body, which means, after the third eccentricity, the disc sealing is not eccentric at the axial position of the double eccentric valve stem. In addition, the sealing is an ellipse and asymmetrical in the meantime, one side of the sealing is inclined to the body's center line and the other side is parallel to it. The biggest difference between double eccentric and triple eccentric butterfly valves is that the sealing design is not a positional seal but a torsion seal, which means, a triple eccentric butterfly valve achieves sealing by sealing the surface pressure of the valve seat. A triple eccentric butterfly valve allows the metal to the metal seat to achieve zero leakage and makes the butterfly valve suitable for medium pressure, high pressure, and high-temperature application.\r\n\r\n","link":"https:\/\/zecovalve.com\/pt\/categoria-do-produto\/butterfly-valve\/butterfly-valve-by-form","name":"V\u00e1lvula borboleta por forma","slug":"butterfly-valve-by-form","taxonomy":"product_cat","parent":2044,"meta":[],"yoast_head":"\nButterfly Valve Type - Concentric \/ Double Offset \/ Triple Offset Butterfly 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\/pt\/categoria-do-produto\/butterfly-valve\/butterfly-valve-by-form\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Butterfly Valve Type - Concentric \/ Double Offset \/ Triple Offset Butterfly Valve\" \/>\n<meta property=\"og:description\" content=\"ZECO company currently mainly supplies the following five forms of butterfly valves, including\u00a0triple offset butterfly valve, LUG butterfly valve, high-performance butterfly valve, metal seated butterfly valve, and double offset butterfly valve. Each is designed and produced according to the customer’s needs in the industry. We promise the product quality and the competitive price of our butterfly valve. GET BUTTERFLY VALVE TYPE ON DISC CLOSURE DEISGN INFORMATION Butterfly Valve Type on Disc Closure Design Concentric Butterfly Valve 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. 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. Double Offset Butterfly Valve In Double Offset, the disk is offset from the valve center line and also from the valve body center line. You can see this in the image where one and two are written. This creates a cam action during operation that lifts the seat out of the seal. Double offset makes opening and closing smooth as friction is applicable only during the first few degrees of opening and final few degrees of closing, approx 10 degrees of opening and closing. Triple Offset Butterfly Valve The unique design of triple-offset valves prevents galling and scratches between the metal seat and the metal disc. The seal only ever comes into contact with the seat at the point of complete closure. Triple-offset valves are generally used in applications that require bi-directional tight shut-off. For example, in oil and gas, chemical factories, LNG\/NPG terminals and tanks, and shipbuilding. They are also used for dirty or heavy oil to prevent extrusion. Butterfly Valve for Sale List Triple Offset Butterfly Valve\/ GET VALVE PRICE > Triple Offset Butterfly Valve ZECO triple offset butterfly valve adopts three-eccentric structure, which increases angle eccentricity in time on the basis of double offset butterfly valve with metal to metal seal.\/ GET VALVE PRICE > Lug Butterfly Valve\/ GET VALVE PRICE > Lug Butterfly Valve ZECO is one of the world’s leading manufacturers of high-performance butterfly valves. The gland flange design of ZECO high-performance butterfly valve applies load against packing gland to prevent external leakage.\/ GET VALVE PRICE > High Performance Butterfly Valve\/ GET VALVE PRICE > High Performance Butterfly Valve ZECO is one of the world’s leading manufacturers of high-performance butterfly valves. ZECO high-performance butterfly valve’s fireproof bi-directional resilient seat design ensures zero leakage of the valve during normal operation.\/ GET VALVE PRICE > Metal Seated Butterfly Valve\/ GET VALVE PRICE > Metal Seated Butterfly Valve ZECO is a global professional supplier of hard seal butterfly valves. ZECO’s professional technology, production process and maintenance guidance have made ZECO a leader in the field of valves.\/ GET VALVE PRICE > Double Offset Butterfly Valve\/ GET VALVE PRICE > Double Offset Butterfly Valve ZECO double offset butterfly valve can have rubber seat, PTFE seat and fire safe PTFE seat. And ZECO double offset butterfly valve has two offsets.\/ GET VALVE PRICE > Product Information of ZECO Butterfly Valve ZECO double eccentric(double offset) butterfly valve: the design upgrades from a single eccentric butterfly valve and double eccentric butterfly valve is currently the most commonly used butterfly valve. The feature is that the stem is offset from the centerline of the disc and the centerline of the valve body. The double eccentric effect makes the disc quickly disengaged from the valve seat after opening, which greatly eliminates unnecessary over-squeezing and scraping of the disc and valve seat, decreases the opening torque, reduces wear, and improves its service life of it. The scraping is greatly decreased, and the double eccentric butterfly valve is also available for metal-to-metal seats, which improves the application of the butterfly valve in high-temperature working conditions. However, the sealing design is of position sealing structure, that is, the contact surface of the valve disc and the seat is in line contact, and the sealing relies on elastic deformation created by the disc pressing valve seat, so it has a strict requirement of valve closure (especially for metal to metal seat), the bearing only suitable for low pressure, which is why people think that butterfly valves are not suitable for high-pressure and low leakage application. ZECO triple eccentric(triple offset) butterfly valve: to make the valve suitable for a high-temperature application, metal to metal seal should be used, but there will be a leakage in the meantime. In order to achieve zero leakage, soft material for sealing should be considered, but obviously, the soft seal is not suitable for high-temperature applications. Therefore the third eccentricity of the butterfly valve was designed to make up for the shortcoming of a double eccentric butterfly valve. The feature is that the conical axis of the contact surface of the valve disc is deflected to the axis of the valve body, which means, after the third eccentricity, the disc sealing is not eccentric at the axial position of the double eccentric valve stem. In addition, the sealing is an ellipse and asymmetrical in the meantime, one side of the sealing is inclined to the body’s center line and the other side is parallel to it. The biggest difference between double eccentric and triple eccentric butterfly valves is that the sealing design is not a positional seal but a torsion seal, which means, a triple eccentric butterfly valve achieves sealing by sealing the surface pressure of the valve seat. A triple eccentric butterfly valve allows the metal to the metal seat to achieve zero leakage and makes the butterfly valve suitable for medium pressure, high pressure, and high-temperature application.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zecovalve.com\/pt\/categoria-do-produto\/butterfly-valve\/butterfly-valve-by-form\" \/>\n<meta property=\"og:site_name\" content=\"ZECO Valve\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/triple-offset-butterfly-valve.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\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\":\"pt-PT\"},{\"@type\":\"CollectionPage\",\"@id\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form#webpage\",\"url\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form\",\"name\":\"Butterfly Valve Type - Concentric \/ Double Offset \/ Triple Offset Butterfly Valve\",\"isPartOf\":{\"@id\":\"https:\/\/zecovalve.com\/#website\"},\"breadcrumb\":{\"@id\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form#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\/product-category\/butterfly-valve\",\"url\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\",\"name\":\"Butterfly Valve\"}},{\"@type\":\"ListItem\",\"position\":3,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form\",\"url\":\"https:\/\/zecovalve.com\/product-category\/butterfly-valve\/butterfly-valve-by-form\",\"name\":\"Butterfly Valve By Form\"}}]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","_links":{"self":[{"href":"https:\/\/zecovalve.com\/pt\/wp-json\/wp\/v2\/product_cat\/2467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zecovalve.com\/pt\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/zecovalve.com\/pt\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/zecovalve.com\/pt\/wp-json\/wp\/v2\/product_cat\/2044"}],"wp:post_type":[{"href":"https:\/\/zecovalve.com\/pt\/wp-json\/wp\/v2\/product?product_cat=2467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}