{"id":1098,"date":"2021-12-27T10:24:00","date_gmt":"2021-12-27T10:24:00","guid":{"rendered":"https:\/\/zecovalve.com\/knife-gate-valves-where-is-the-main-advantage-zecovalve-blog.html"},"modified":"2022-10-17T12:55:15","modified_gmt":"2022-10-17T12:55:15","slug":"knife-gate-valves-where-is-the-main-advantage-zecovalve-blog","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/knife-gate-valves-where-is-the-main-advantage-zecovalve-blog.html","title":{"rendered":"V\u00e1lvulas de guilhotina manuais"},"content":{"rendered":"<p>V\u00e1lvula guilhotina wafer de ferro d\u00factil com sede resiliente (NBR) e guilhotina em a\u00e7o inoxid\u00e1vel 316. Operado por um volante de haste ascendente e adequado para press\u00e3o de m\u00eddia de at\u00e9 10 BAR. \u00d3timo para efluentes, esta\u00e7\u00f5es de tratamento de esgoto e outros meios aplic\u00e1veis (n\u00e3o recomendado para meios abrasivos que ficar\u00e3o nas sedes). <\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 uma <strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><a href=\"https:\/\/zecovalve.com\/pt\/produto\/knife-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u00e1lvula guilhotina manual<\/a><\/mark><\/strong>?<\/h2>\n\n\n\n<p>Uma v\u00e1lvula guilhotina \u00e9 uma v\u00e1lvula de corte, o que significa que \u00e9 usada para iniciar e interromper o fluxo atrav\u00e9s de uma tubula\u00e7\u00e3o. \u00c9 usado principalmente em aplica\u00e7\u00f5es e configura\u00e7\u00f5es baseadas em fluidos, especialmente aquelas que envolvem materiais densos.<\/p>\n\n\n\n<p>A l\u00e2mina \u201cfaca\u201d embutida na v\u00e1lvula usa suas bordas afiadas para cortar materiais duros ou pegajosos. A v\u00e1lvula utiliza uma fun\u00e7\u00e3o de queda de press\u00e3o para atingir esta fun\u00e7\u00e3o e interrompe o fluxo quando necess\u00e1rio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Estrutura da v\u00e1lvula guilhotina<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve-2.jpg\" alt=\"\" class=\"wp-image-17147\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve-2.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve-2-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<p>A estrutura do corpo e da sede elimina o entupimento do fluxo com part\u00edculas finas. Al\u00e9m disso, um fio de faca chanfrado ajuda a guilhotina a cortar facilmente m\u00eddias espessas. De acordo com as diferentes situa\u00e7\u00f5es de trabalho: v\u00e1lvula de guilhotina com haste n\u00e3o ascendente, v\u00e1lvula de guilhotina wafer, v\u00e1lvula de guilhotina com rodas, v\u00e1lvula de guilhotina pneum\u00e1tica, v\u00e1lvula de guilhotina el\u00e9trica, v\u00e1lvula de guilhotina manual e v\u00e1lvula de guilhotina de engrenagem c\u00f4nica est\u00e3o todas dispon\u00edveis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vis\u00e3o geral do produto da v\u00e1lvula guilhotina<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Faixa de tamanho:<\/td><td>DN50~600mm NPS 2\u201d-24\u201d \uff08Tamanho maior mediante solicita\u00e7\u00e3o\uff09<\/td><\/tr><tr><td>Imprensa m\u00e1xima de trabalho.:<\/td><td>DN50 ~ DN250: 10Bar NPS2 ~ NPS10: 150Psi&nbsp; &nbsp; &nbsp;<br>DN300~DN450: 7Bar NPS12~NPS18:90Psi&nbsp; &nbsp; &nbsp;<br>DN500~DN600: 4Bar NPS20~NPS24:60Psi<\/td><\/tr><tr><td>&nbsp; Temperatura. Faixa:<\/td><td>-29\u2026+200\u2103<\/td><\/tr><tr><td>Estanqueidade da veda\u00e7\u00e3o:<\/td><td>De acordo com MSS SP-81<\/td><\/tr><tr><td>Material do corpo:<\/td><td>Ferro fundido, a\u00e7o inoxid\u00e1vel<\/td><\/tr><tr><td>Material do port\u00e3o:<\/td><td>A\u00e7o inoxid\u00e1vel cromado, liga especial<\/td><\/tr><tr><td>&nbsp;Material do assento:<\/td><td>EPDM (120\u00b0C) \/Viton(200\u00b0C) \/NBR(90\u00b0C)<\/td><\/tr><tr><td>&nbsp;Cara a cara:&nbsp;<\/td><td>&nbsp;MSSSP-81<\/td><\/tr><tr><td>&nbsp;Padr\u00e3o de flange:<\/td><td>GB\/T 9113.1, JB\/T 79.1, HG 20592, ASME B16.5, EN1092-1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-of-knife-gate-valves\">Vantagens das v\u00e1lvulas guilhotina<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Gaxeta da caixa de gaxeta e suporte usinado<\/li><li>F\u00e1cil manobra e baixo consumo de energia<\/li><li>Baixa manuten\u00e7\u00e3o atrav\u00e9s da orienta\u00e7\u00e3o do port\u00e3o atrav\u00e9s de trabalhos superiores est\u00e1veis<\/li><li>Design exclusivo do assento e material do assento para alto desempenho e baixo LCC<\/li><li>Sem restri\u00e7\u00e3o de fluxo totalmente aberto<\/li><li>Corpo fundido de uma s\u00f3 pe\u00e7a<\/li><li>Port\u00e3o de a\u00e7o inoxid\u00e1vel<\/li><li>Sistema robusto de gaxeta de caixa de gaxeta<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Aplica\u00e7\u00f5es de v\u00e1lvulas guilhotina<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Minera\u00e7\u00e3o e processamento de minerais<\/li><li>Aplica\u00e7\u00f5es de celulose e papel<\/li><li>\u00c1gua e \u00c1guas Residuais<\/li><li>Plantas de areia e cascalho<\/li><li>Linhas de cauda<\/li><li>Materiais de pasta abrasiva<\/li><\/ul>\n\n\n\n<p>A v\u00e1lvula ZECO \u00e9 uma profissional <a href=\"https:\/\/zecovalve.com\/pt\/produto\/manual-gate-valve\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"fabricante de v\u00e1lvula gaveta de opera\u00e7\u00e3o manual\" target=\"_blank\" rel=\"noopener\">fabricante de v\u00e1lvula gaveta de opera\u00e7\u00e3o manual<\/a>, se tiver alguma d\u00favida, n\u00e3o hesite em contactar-nos.<\/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\/pt\/\">V\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/categoria-do-produto\/gate-valve\/\">Fabricante de v\u00e1lvula gaveta - v\u00e1rios tipos de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">O que \u00e9 uma v\u00e1lvula de gaveta?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diferen\u00e7a entre a v\u00e1lvula de gaveta e a v\u00e1lvula de borboleta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valves-and-ball-valves.html\/\">V\u00e1lvula de gaveta vs V\u00e1lvula de esfera<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/gate-valve-problems.html\/\">Reparo de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n<p>Dez artigos antes e depois<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/knife-type-valve-7-points-should-be-paid-attention-during-the-installation-details-zecovalve-blog.html\/\">V\u00e1lvula tipo faca 7 pontos devem ser observados durante os detalhes da instala\u00e7\u00e3o | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/knife-type-valve-9-features-zecovalve-blog.html\/\">V\u00e1lvula tipo faca 9 caracter\u00edsticas | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/knife-gate-valve-zecovalve-blog.html\/\">V\u00e1lvula de guilhotina | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/knife-gate-valves-are-some-of-the-basic-structure-and-use-zecovalve-blog.html\/\">V\u00e1lvulas guilhotina s\u00e3o algumas das estruturas b\u00e1sicas e uso | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/vacuum-globe-valve-product-installation-maintenance-manual.html\/\">Manual de instala\u00e7\u00e3o e manuten\u00e7\u00e3o do produto v\u00e1lvula globo de v\u00e1cuo<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/you-do-know-how-to-extend-the-life-of-knife-shaped-gate-valve-zecovalve-blog.html\/\">Voc\u00ea sabe como prolongar a vida \u00fatil da v\u00e1lvula gaveta em forma de faca? | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/knife-gate-valve-products-use-notes-and-features-zecovalve-blog.html\/\">Produtos de v\u00e1lvula guilhotina usam Notas e recursos | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/executive-standard-knife-gate-what-zecovalve-blog.html\/\">Port\u00e3o de faca padr\u00e3o executivo O qu\u00ea | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/caution-knife-gate-valve-with-optional-notes-zecovalve-blog.html\/\">V\u00e1lvula de guilhotina de cuidado com notas opcionais | Blog Zecovalve<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/manual-knife-gate-valve-performance-zecovalve-blog.html\/\">Desempenho da v\u00e1lvula guilhotina manual | Blog Zecovalve<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>V\u00e1lvula guilhotina wafer de ferro d\u00factil com sede resiliente (NBR) e guilhotina em a\u00e7o inoxid\u00e1vel 316. Operado por um volante de haste ascendente\u2026 <a title=\"V\u00e1lvulas de guilhotina manuais\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/knife-gate-valves-where-is-the-main-advantage-zecovalve-blog.html\" aria-label=\"Mais em V\u00e1lvulas de guilhotina manuais\">Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":16924,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2001,3418,3419],"class_list":["post-1098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-knife-gate-valve","tag-manual-knife-gate-valve","tag-worlds-largest-gate-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve.jpg",330,300,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2001,"name":"Knife Gate Valve","slug":"knife-gate-valve","term_group":0,"term_taxonomy_id":2001,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_853ad1-30\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-a-knife-gate-valve\">What is a Knife Gate Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves are engineered specifically for on-off and isolation operations in systems with a high dissolved solid particle. Knife gate valves are extremely useful when dealing with slurry, abrasive, corrosive, and viscous media. The valves have a low-pressure drop in the fully open position, are simple to operate, light in weight, and cost-effective.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves are intended to work in the harshest conditions, with a sharpened blade to cut through heavy liquids.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThey are extremely helpful in wastewater applications where corrosion is a major concern. In addition to the valve design that is optimized for slurry media, having a knife gate valve composed of acid-proof stainless steel is advantageous because it is less vulnerable to corrosion damage and therefore requires less frequent maintenance or even replacements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves should always be used for applications that require a fully open or completely closed position and should not be used to regulate flow unless specifically designed for it. When fluid is pushed against a partly closed gate, a vibration occurs, gradually eroding the disc and seat. Furthermore, the knife gate valves are intended to open and close slowly to protect against the effects of the water hammer.\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=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET KNIFE GATE VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Specifications of Knife Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Available materials: WCB, WC6, WCC, LCB, LCC, Cast iron, Ductile Iron, SS316, SS304<\/li>\r\n \t<li>Size: 2\u2033 to 80\u2033<\/li>\r\n \t<li>Class: 150 to 300<\/li>\r\n \t<li>Nominal Pressure: PN6 to PN40<\/li>\r\n \t<li>Operation: Handwheel, Electric and Pneumatic Actuated, Gear operated<\/li>\r\n \t<li>Ends: Wafer, Lug, Flanged<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Types of Knife Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Uni-directional Knife Gate Valve<\/li>\r\n \t<li>Bi-directional Knife Gate Valve<\/li>\r\n \t<li>Slurry Knife Gate Valve<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Where is a Knife Gate Valve used?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves are commonly used in mining, power plants, and the paper, chemical, and food industries. They have the advantage of being very compact due to the linear movement of the shut-off damper (plate that blocks the flow of fluid in the closed position). The knife gate valve is mainly a shut-off valve, although it can be used as a control valve when the shutter is placed in the partially open position.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nKnife gate valves can be used for fluids loaded with solid particles such as wastewater or sludge. As a general rule, the knife gate valve is designed to be sealed on the upstream side of the circuit (on the fluid inlet side), but some valves are sealed on both sides, allowing them to be used regardless of the direction of fluid flow. In the open position, the head loss is very low because the valve does not cause a change in the fluid direction.\r\nThe closing and opening time can be very long, however, and you should consider regular maintenance to correct wear problems between the shutter and sealing elements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Knife Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Reliability of operation<\/li>\r\n \t<li>The cast body of the valve is dust-tight assuring a clean operation<\/li>\r\n \t<li>Knife action to cut through a standing column of material<\/li>\r\n \t<li>Short opening and closing time<\/li>\r\n \t<li>Maintenance is easy with replaceable packing<\/li>\r\n \t<li>Modular design permitting upgrades to pack and operators<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>World's Largest Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTexas, the second largest state in the USA both in the area and population faces enormous demand for drinking water. Within Texas lies America's largest inland metropolitan area, Dallas \u2013 Fort Worth Metroplex (DFW) province which is the economic and cultural hub of North &amp; Central Texas.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe water in DFW is both sourced and managed by two major Texas water authorities, Tarrant Regional Water District (TRWD) &amp; Dallas Water Utilities (DWU). With the rapidly growing population in this area, it is expected that more than 13 million residents will need water by 2060 which is more than double the population served by the authorities today. As a result, they have partnered to execute the $2B Integrated Pipeline Project (IPL) which will enable them to increase the water supply by 350 million gallons per day (1.59 billion liters per day) meeting the ever-increasing demand in the long term.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Knife Valve Factory<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWe specialize in custom knife gate valves from 2\" to 96\u201d and above, utilizing carbon steel to stainless steel and other weldable alloys. Our staff has many years of combined experience in building knife gate valves in particular.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":7,"filter":"raw"},{"term_id":3418,"name":"manual knife gate valve","slug":"manual-knife-gate-valve","term_group":0,"term_taxonomy_id":3418,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3419,"name":"world&#039;s largest gate valve","slug":"worlds-largest-gate-valve","term_group":0,"term_taxonomy_id":3419,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2001,"label":"Knife Gate Valve"},{"value":3418,"label":"manual knife gate valve"},{"value":3419,"label":"world&#039;s largest gate valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Manual Knife Gate Valve - World&#039;s Largest Gate 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\/pt\/knife-gate-valves-where-is-the-main-advantage-zecovalve-blog.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Manual Knife Gate Valve - World&#039;s Largest Gate Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Ductile iron wafer knife gate valve with resilient seat (NBR) and 316 stainless steel gate. Operated by a rising stem hand wheel ... 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