{"id":1692,"date":"2026-05-14T22:00:57","date_gmt":"2026-05-14T20:00:57","guid":{"rendered":"https:\/\/maquinariacarnica.com\/carril-aereo-matadero-guia\/"},"modified":"2026-05-15T16:12:13","modified_gmt":"2026-05-15T14:12:13","slug":"overhead-rail-systems-for-abattoirs","status":"publish","type":"post","link":"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/","title":{"rendered":"Overhead Rail Systems for Abattoirs: Types, Components, and How to Choose the Right System"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <strong>overhead rail<\/strong> is the most important suspended transport system in any modern abattoir: it allows meat carcasses to be moved along the entire slaughter line without touching the ground. Installing a correctly sized abattoir overhead rail makes the difference between an efficient slaughter chain and costly bottlenecks. There are two main types: the <strong>bi-rail system<\/strong> \u2014double flat profile, ideal for heavy cattle\u2014 and the <strong>tubular rail<\/strong> \u2014round stainless steel tube, preferred for pigs and sheep due to its ease of cleaning. Both comply with <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/ES\/TXT\/?uri=CELEX%3A32004R0853\">EC Regulation 853\/2004<\/a> on hygiene in the production of food of animal origin.   <\/p>\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Tabla de contenidos<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#What_is_the_purpose_of_an_overhead_rail_in_an_abattoir\" >What is the purpose of an overhead rail in an abattoir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#The_two_types_of_overhead_rail_for_abattoirs_bi-rail_and_tubular\" >The two types of overhead rail for abattoirs: bi-rail and tubular<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#Components\" >Components<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#Regulations_governing_overhead_rails_in_the_EU\" >Regulations governing overhead rails in the EU<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#Overhead_rail_installations_completed\" >Overhead rail installations completed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#Can_an_overhead_rail_system_be_installed_in_an_existing_abattoir_without_major_construction\" >Can an overhead rail system be installed in an existing abattoir without major construction?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#What_maintenance_does_the_overhead_rail_require\" >What maintenance does the overhead rail require?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#How_long_does_it_take_to_install_a_complete_system\" >How long does it take to install a complete system?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/maquinariacarnica.com\/en\/overhead-rail-systems-for-abattoirs\/#Do_you_have_an_overhead_rail_project\" >Do you have an overhead rail project?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_purpose_of_an_overhead_rail_in_an_abattoir\"><\/span>What is the purpose of an overhead rail in an abattoir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">From the moment of hoisting after bleeding until entering the chilling room, the carcass travels tens of meters, passing through processing, evisceration, veterinary inspection, and classification stations. The overhead rail is the infrastructure that makes this journey possible in a hygienic and continuous manner. <\/p>\n\n<p class=\"wp-block-paragraph\">Without a suspended system, manual carcass transport slows down the chain, increases cost per carcass, and multiplies the risk of cross-contamination. <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/ES\/TXT\/?uri=CELEX%3A32004R0852\" target=\"_blank\" rel=\"noreferrer noopener\">EC Regulation 852\/2004<\/a> also requires that equipment be installed in a way that allows for effective cleaning of the surrounding area \u2014 a requirement that the overhead rail meets by design. <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_two_types_of_overhead_rail_for_abattoirs_bi-rail_and_tubular\"><\/span>The two types of overhead rail for abattoirs: bi-rail and tubular<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th><a href=\"https:\/\/blasau.com\/es\/carrilleria-aerea\/carril-birrail.html\" type=\"link\" id=\"https:\/\/blasau.com\/es\/carrilleria-aerea\/carril-birrail.html\" target=\"_blank\" rel=\"noreferrer noopener\">Bi-rail System<\/a><\/th><th><a href=\"https:\/\/blasau.com\/es\/carrilleria-aerea\/carril-tubular.html\" type=\"link\" id=\"https:\/\/blasau.com\/es\/carrilleria-aerea\/carril-tubular.html\" target=\"_blank\" rel=\"noreferrer noopener\">Tubular Rail<\/a><\/th><\/tr><\/thead><tbody><tr><td>Profile<\/td><td>Double parallel flat profile<\/td><td>Round tube<\/td><\/tr><tr><td>Load capacity<\/td><td>High \u2014 up to 450 kg per trolley<\/td><td>Medium \u2014 pigs and sheep<\/td><\/tr><tr><td>Cleaning and disinfection<\/td><td>Good<\/td><td>Excellent (no angles or edges)<\/td><\/tr><tr><td>Recommended species<\/td><td>Cattle<\/td><td>Pigs, sheep<\/td><\/tr><tr><td>Layout flexibility<\/td><td>Good with switches and points<\/td><td>Very high<\/td><\/tr><tr><td>EU Regulations<\/td><td>\u2713 EC 853\/2004<\/td><td>\u2713 EC 853\/2004<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">The choice of overhead rail type primarily depends on the <strong>carcass weight<\/strong> and <strong>cleaning requirements<\/strong>. The bi-rail is the most robust option for larger cattle; the tubular is the most hygienic and agile for high-speed pig or sheep lines. <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Components\"><\/span>Components <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">A complete abattoir overhead rail system includes:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Linear meter<\/strong> (bi-rail or tubular): the standard straight section<\/li>\n\n\n\n<li><strong>Saddles and support structure<\/strong>: fix the rail to the ceiling or walls<\/li>\n\n\n\n<li><strong>Curves and switches<\/strong>: change direction and branch the chain<\/li>\n\n\n\n<li><strong>Points<\/strong>: movable elements that redirect the trolley to one track or another<\/li>\n\n\n\n<li><strong>Descenders<\/strong>: inclined sections for changes in elevation between stations<\/li>\n\n\n\n<li><strong>Loading dock telescopic section<\/strong>: connects the internal rail with the truck dock, absorbing level differences<\/li>\n\n\n\n<li><strong>Hinges and manual stops<\/strong>: allow sections of the rail to be opened and trolleys to be stopped at specific points<\/li>\n\n\n\n<li><strong>Trolleys<\/strong>: roll on the rail and support the hook with the carcass. There are trolleys for bi-rail and trolleys for tubular rail, all in stainless steel with sealed bearings that do not require lubrication <\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">In mixed installations, the <strong><a href=\"https:\/\/blasau.com\/es\/carrilleria-aerea\/acoplamiento-para-carros-birrailtubular.html\" type=\"link\" id=\"https:\/\/blasau.com\/es\/carrilleria-aerea\/acoplamiento-para-carros-birrailtubular.html\" target=\"_blank\" rel=\"noreferrer noopener\">bi-rail\/tubular coupling<\/a><\/strong> allows trolleys to be transferred from one type of rail to the other without interrupting the chain.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Regulations_governing_overhead_rails_in_the_EU\"><\/span>Regulations governing overhead rails in the EU<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Three European regulations set the technical and hygienic requirements:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/ES\/TXT\/?uri=CELEX%3A32004R0853\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>EC Regulation 853\/2004<\/strong><\/a>: requires surfaces resistant to corrosion, non-absorbent, and easily washable. AISI 304 stainless steel \u2014the standard material for all BLASAU rail systems\u2014 meets this requirement. <\/li>\n\n\n\n<li><a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/ES\/TXT\/?uri=CELEX%3A32004R0852\"><strong>EC Regulation 852\/2004<\/strong><\/a>: establishes general hygiene principles, including equipment design and maintenance.<\/li>\n\n\n\n<li><a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/ES\/TXT\/?uri=CELEX%3A32009R1099\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>EC Regulation 1099\/2009<\/strong><\/a>: regulates animal welfare during slaughter, with requirements for hoisting and restraint systems integrated with the rail system.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">In Spain, <strong><a href=\"https:\/\/www.boe.es\/buscar\/act.php?id=BOE-A-2007-11321\" target=\"_blank\" rel=\"noreferrer noopener\">Royal Decree 731\/2007<\/a><\/strong> complements these regulations with specific conditions for national abattoirs.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overhead_rail_installations_completed\"><\/span>Overhead rail installations completed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">BLASAU has been manufacturing and installing overhead rail systems for abattoirs since 1995. Some completed projects: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>La Catalane d&#8217;Abattage<\/strong> (Perpignan, France, 2014-2015): manufacturing and installation of overhead rails and machinery in a complete abattoir<\/li>\n\n\n\n<li><strong>Guasch &amp; Fils<\/strong> (Perpignan, France, 2015): overhead rails in a cutting room<\/li>\n\n\n\n<li><strong>Noel<\/strong> (2021) and <strong>Frivall<\/strong> (2019): pig cutting rooms with complete rail systems<\/li>\n\n\n\n<li><strong>Matadero de Reinosa<\/strong> (Cantabria, 2009-2010) and <strong>Matadero de Potes<\/strong> (Cantabria, 2008-2009): complete cattle, pig, and sheep slaughter lines<\/li>\n\n\n\n<li><strong>Farma Elassonas<\/strong> (Greece, 2022): expansion of a sheep abattoir with a bleeding and processing line<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Installations in Spain, France, Greece, French Guiana, and Venezuela, among other countries.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_an_overhead_rail_system_be_installed_in_an_existing_abattoir_without_major_construction\"><\/span>Can an overhead rail system be installed in an existing abattoir without major construction?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">In most cases, yes. BLASAU has carried out numerous rail system renovations and expansions in operational abattoirs, utilizing existing structures and coordinating work with scheduled production shutdowns. <\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_maintenance_does_the_overhead_rail_require\"><\/span>What maintenance does the overhead rail require?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">A monthly visual inspection of the trolleys and an annual technical review are recommended. The most worn component is the trolley bearings: in high-intensity installations, they may require replacement every 2-3 years. Detecting them in time prevents unscheduled shutdowns in the slaughter chain.  <\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_long_does_it_take_to_install_a_complete_system\"><\/span>How long does it take to install a complete system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">A simple line for sheep can be installed in 3-5 days. A mixed abattoir with multiple switches and chilling rooms can require between 4 and 8 weeks. BLASAU manages turnkey installation, including commissioning and training for maintenance personnel.  <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_you_have_an_overhead_rail_project\"><\/span>Do you have an overhead rail project?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">BLASAU S.L. designs, manufactures, and installs overhead rail systems since 1977. Our technical team prepares proposals adapted to each installation: layout plan, component list, and detailed budget, without obligation. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/blasau.com\/es\/contactar.html\" target=\"_blank\" rel=\"noreferrer noopener\">Contact BLASAU \u2192<\/a><\/strong><br\/><strong><a href=\"https:\/\/blasau.com\/es\/carril-aereo.html\" target=\"_blank\" rel=\"noreferrer noopener\">View full range of overhead rail systems \u2192<\/a><\/strong><\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The overhead rail is the most important suspended transport system in any modern abattoir: it allows meat carcasses to be moved along the entire slaughter line without touching the ground. Installing a correctly sized abattoir overhead rail makes the difference between an efficient slaughter chain and costly bottlenecks. There are two main types: the bi-rail [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1682,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[147],"tags":[],"class_list":["post-1692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aerial-lane"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Overhead Rail for Abattoirs: Types, Components, and Selection<\/title>\n<meta name=\"description\" content=\"Technical Guide to Overhead Rail Systems for Abattoirs. Types, Components, Regulations, and Selection Criteria by Species. 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