{"id":13119,"date":"2018-03-22T11:06:53","date_gmt":"2018-03-22T10:06:53","guid":{"rendered":"https:\/\/www.lidering.com\/advantages-and-types-of-metal-bellows-mechanical-seals\/"},"modified":"2019-04-03T08:19:40","modified_gmt":"2019-04-03T06:19:40","slug":"advantages-and-types-of-metal-bellows-mechanical-seals","status":"publish","type":"post","link":"https:\/\/www.lidering.com\/en\/advantages-and-types-of-metal-bellows-mechanical-seals\/","title":{"rendered":"Advantages and types of metal bellows mechanical seals"},"content":{"rendered":"<div id=\"pl-12711\"  class=\"panel-layout\" >\n<div id=\"pg-12711-0\"  class=\"panel-grid panel-has-style\"  data-style=\"{&quot;padding&quot;:&quot;5% 0% 0% 0%&quot;,&quot;mobile_padding&quot;:&quot;5% 5% 5% 5%&quot;,&quot;background_display&quot;:&quot;tile&quot;,&quot;cell_alignment&quot;:&quot;flex-start&quot;,&quot;iw-visible-screen&quot;:&quot;iw-all&quot;,&quot;iw-visible-layout&quot;:&quot;iw-all&quot;}\"  data-ratio=\"1\"  data-ratio-direction=\"right\" >\n<div class=\"panel-row-style panel-row-style-for-12711-0\" >\n<div id=\"pgc-12711-0-0\"  class=\"panel-grid-cell\"  data-weight=\"1\" >\n<div id=\"panel-12711-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" data-style=\"{&quot;widget_css&quot;:&quot;line-height:2.2em;&quot;,&quot;background_image_attachment&quot;:false,&quot;background_display&quot;:&quot;tile&quot;,&quot;iw-visible-screen&quot;:&quot;iw-all&quot;,&quot;iw-visible-layout&quot;:&quot;iw-all&quot;}\" >\n<div class=\"panel-widget-style panel-widget-style-for-12711-0-0-0\" >\n<div class=\"so-widget-sow-editor so-widget-sow-editor-base\">\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-9330\" src=\"http:\/\/www.lidering.com\/wp-content\/uploads\/2018\/03\/cierres-mecanicos-de-fuelle-metalico-Lidering-1.jpg\" alt=\" width=\"100%\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Often, work conditions under which a sealing system must function can be very demanding: high pressures, extremely elevated temperatures, paste-like or chemically corrosive products, high frequency and intensity vibrations, etc. In the face of extreme conditions, a peak performance sealing system is required, such as our range of <\/span><i><span style=\"font-weight: 400;\">metal bellows mechanical seals<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 class=\"blogh2\"><strong>ADVANTAGES OF METAL BELLOWS MECHANICAL SEALS:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">These kinds of seals characteristically have a metal bellows instead of a spring\/springs in order to maintain the strength between friction faces. Metal bellows present some advantages in relation to conventional spring systems (simple springs, multisprings or wave springs):<\/span><\/p>\n<ul style=\"font-size: 1.6em; font-weight: 400; color: #6d6f71; margin-bottom: 30px; line-height: 1.4em;\">\n<li style=\"font-weight: 400;\">\u00b7 <b>Increased capability to respond to fatigue<\/b><span style=\"font-weight: 400;\">\u00a0induced by continuous work cycles<\/span><span style=\"font-weight: 400;\">. <\/span><\/li>\n<li style=\"font-weight: 400;\">\u00b7 <span style=\"font-weight: 400;\">The special alloy used for its fabrication provides it with a <\/span><a href=\"\/technical-information\/chemical-resistance-and-materials-code\/\"><span style=\"color: green;\">great chemical resistance<\/span><\/a> <b>and high temperature endurance<\/b><span style=\"font-weight: 400;\">, thus allowing the seal to uphold its performance under these circumstances<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\">\u00b7 <span style=\"font-weight: 400;\">Metal bellows keep the seal balanced, which enables it <\/span><b>to work under pressures reaching 20 bar or at high revolutions, even going up to 6000 rpm<\/b><span style=\"font-weight: 400;\"> without suffering premature wear<\/span>.<\/li>\n<li>\u00b7 <b>\u201cSelf-cleaning\u201d ability<\/b><span style=\"font-weight: 400;\"> thanks to its exterior shape, which generates a radial repelling effect when turning, preventing paste-like fluids to accumulate and solidify in the mechanical seal chamber<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2 class=\"blogh2\"><b>TYPES OF METAL BELLOWS MECHANICAL SEALS<\/b><\/h2>\n<h3><strong>LMB85<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">The <i>LMB85<\/i> model is a metal bellows mechanical seal capable of working in high temperatures, up to 300\u00baC, depending on the materials used on its friction face as well as its O-rings. The O-rings housing makes it static, avoiding possible damage caused by vibrations and repetitive changes in pressure. This mechanical seal has numerous applications, but is mainly used in:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0&#8211;<b>Chemical industry<\/b>, because it is ideal to work with heated oils<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><br \/>\n<b>\u00a0 \u00a0 \u00a0-Industrial refrigeration<span style=\"font-weight: 400;\">, since it can be found in many compressors<\/span><\/b><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-9331\" src=\"http:\/\/www.lidering.com\/wp-content\/uploads\/2018\/03\/cierres-mecanicos-de-fuelle-metalico-Lidering-2.jpg\" alt=\" width=\"100%\" \/><\/p>\n<h3>LMB84<\/h3>\n<p><span style=\"font-weight: 400;\">This model, the <\/span><i><span style=\"font-weight: 400;\">LMB84<\/span><\/i><span style=\"font-weight: 400;\">, is a modified version of the LMB85 in which the metal bellows is undulated. This characteristic allows for a greater ability to repel paste-like fluid and residues, compared to that of the conventional metal bellows. It is used in:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0&#8211;<b>Food industry<\/b>, because it works well with food pastes, caramel, chocolate, etc.<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><br \/>\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0&#8211;<b>Chemical industry<\/b>, since it performs well with adhesive, melted plastics, etc.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-9332\" src=\"http:\/\/www.lidering.com\/wp-content\/uploads\/2018\/03\/cierres-mecanicos-de-fuelle-metalico-Lidering-3.jpg\" alt=\" width=\"100%\" \/><\/p>\n<h3><b>LMB86<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The <i>LMB86<\/i> metal bellows mechanical seal model is different to the aforementioned seals because it uses a <b>special Grafoil wedge<\/b> in order to seal the contact with the shaft, instead of using an O-ring. This is possible because of the press attached to its rear. Said system enables the seal to work in <b>extreme temperatures<\/b> not any other elastomers can handle, around 400\u00baC. Due to this ability, this seal is commonly used in <b>the oil industry<\/b>, where some processes are carried out at such high temperatures.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-9333\" src=\"http:\/\/www.lidering.com\/wp-content\/uploads\/2018\/03\/cierres-mecanicos-de-fuelle-metalico-Lidering-4.jpg\" alt=\" width=\"100%\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<style type=\"text\/css\" class=\"panels-style\" data-panels-style-for-post=\"12711\">@import url(https:\/\/www.lidering.com\/wp-content\/plugins\/siteorigin-panels\/css\/front-flex.min.css); #pgc-12711-0-0 { width:100%;width:calc(100% - ( 0 * 0px ) ) } #pl-12711 #panel-12711-0-0-0 {  } #pl-12711 .so-panel , #pl-12711 .so-panel:last-child { margin-bottom:0px } #pg-12711-0> .panel-row-style { padding:5% 0% 0% 0% } #pg-12711-0.panel-no-style, #pg-12711-0.panel-has-style > .panel-row-style { -webkit-align-items:flex-start;align-items:flex-start } #panel-12711-0-0-0> .panel-widget-style { line-height:2.2em } @media (max-width:780px){ #pg-12711-0.panel-no-style, #pg-12711-0.panel-has-style > .panel-row-style { -webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column } #pg-12711-0 .panel-grid-cell { margin-right:0 } #pg-12711-0 .panel-grid-cell { width:100% } #pl-12711 .panel-grid-cell { padding:0 } #pl-12711 .panel-grid .panel-grid-cell-empty { display:none } #pl-12711 .panel-grid .panel-grid-cell-mobile-last { margin-bottom:0px } #pg-12711-0> .panel-row-style { padding:5% 5% 5% 5% }  } <\/style>\n","protected":false},"excerpt":{"rendered":"<p>LMB84 This model, the LMB84, is a modified version of the LMB85 in which the metal bellows is undulated. This characteristic allows for a greater ability to repel paste-like fluid and residues, compared to that of the conventional metal bellows. It is used in: \u00a0 \u00a0 \u00a0&#8211;Food industry, because it works well with food pastes,&hellip;&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":12465,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[205],"tags":[],"class_list":["post-13119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Advantages and types of metal bellows mechanical seals I Lidering Safe 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