{"id":747,"date":"2012-08-15T13:21:00","date_gmt":"2012-08-15T13:21:00","guid":{"rendered":"https:\/\/rapidweldingbl.wpenginepowered.com\/?p=747"},"modified":"2025-03-14T13:17:24","modified_gmt":"2025-03-14T13:17:24","slug":"flashback-arrestors-for-welding-and-cutting-applications","status":"publish","type":"post","link":"https:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/","title":{"rendered":"Flashback Arrestors for Welding and Cutting Applications"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading747_d3b443-50, .wp-block-kadence-advancedheading.kt-adv-heading747_d3b443-50[data-kb-block=\"kb-adv-heading747_d3b443-50\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_d3b443-50 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_d3b443-50[data-kb-block=\"kb-adv-heading747_d3b443-50\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_d3b443-50 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_d3b443-50\">Did you know that approximately&nbsp;80% of all incidents are related to human error?&nbsp;<br>With statistics like this, there&#8217;s no question that processes within the welding and cutting industry should be carried out by fully trained personnel. Working with Acetylene, Propane or Hydrogen is a relatively safe process if&nbsp;handled correctly, but it can lead to&nbsp;dangerous situations very quickly if not.<\/p>\n\n\n<style>.kb-image747_4a08d9-33 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image747_4a08d9-33\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"224\" src=\"https:\/\/rapidweldingbl.wpenginepowered.com\/wp-content\/uploads\/2024\/10\/flashback1.jpeg\" alt=\"\" class=\"kb-img wp-image-748\" srcset=\"https:\/\/rapidwelding.com\/blog\/wp-content\/uploads\/2024\/10\/flashback1.jpeg 225w, https:\/\/rapidwelding.com\/blog\/wp-content\/uploads\/2024\/10\/flashback1-150x150.jpeg 150w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_0f3e05-56, .wp-block-kadence-advancedheading.kt-adv-heading747_0f3e05-56[data-kb-block=\"kb-adv-heading747_0f3e05-56\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_0f3e05-56 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_0f3e05-56[data-kb-block=\"kb-adv-heading747_0f3e05-56\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_0f3e05-56 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_0f3e05-56\"><strong>When things go Wrong<\/strong><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_72dc80-45, .wp-block-kadence-advancedheading.kt-adv-heading747_72dc80-45[data-kb-block=\"kb-adv-heading747_72dc80-45\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_72dc80-45 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_72dc80-45[data-kb-block=\"kb-adv-heading747_72dc80-45\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_72dc80-45 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_72dc80-45\">The term &#8216;Flashback&#8217; describes a condition which occurs when a&nbsp;flame returns into the supply system of a gas fuel.&nbsp;The causes of this vary, but may include:&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<ul class=\"wp-block-list\">\n<li>Wrong gas sequence during start-up<\/li>\n\n\n\n<li>Blocked, worn, undersized or overheated blowpipe tip<\/li>\n\n\n\n<li>Blocked section in the blowpipe, cutting attachment or heating attachment<\/li>\n\n\n\n<li>Hose run over by vehicle during welding<\/li>\n\n\n\n<li>Kinked or restricted hoses<\/li>\n\n\n\n<li>Hoses of incorrect diameter<\/li>\n\n\n\n<li>Wrong gas pressures &#8211; gauge should be in sight of operator<\/li>\n\n\n\n<li>Gas hose too long causing pressure loss<\/li>\n\n\n\n<li>Old gas hoses becoming still or brittle<\/li>\n\n\n\n<li>Carbon or slag deposits blocking tip<\/li>\n\n\n\n<li>Flame held too close to work surface<\/li>\n\n\n\n<li>Hot metal falling on or burning through hose<\/li>\n\n\n\n<li>Faulty equipment<\/li>\n\n\n\n<li>Wrong equipment for the job<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_9f8697-0d, .wp-block-kadence-advancedheading.kt-adv-heading747_9f8697-0d[data-kb-block=\"kb-adv-heading747_9f8697-0d\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_9f8697-0d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_9f8697-0d[data-kb-block=\"kb-adv-heading747_9f8697-0d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_9f8697-0d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_9f8697-0d\">If an application results in a Flashback then a number of outcomes can occur: &nbsp;The gas hose could burst, a flame could be&nbsp;located at the pressure regulator, or worse still, there is an explosion of the pressurised gas cylinder as the flame races through the hose at an impossible speed.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_61f4ab-f9, .wp-block-kadence-advancedheading.kt-adv-heading747_61f4ab-f9[data-kb-block=\"kb-adv-heading747_61f4ab-f9\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_61f4ab-f9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_61f4ab-f9[data-kb-block=\"kb-adv-heading747_61f4ab-f9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_61f4ab-f9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_61f4ab-f9\">Alongside well-trained staff and the correct maintenance of equipment, a Flashback Arrestor can protect against the risk of serious injury or damage. The level of protection offered will vary depending on the application being carried out,&nbsp;and it is always recommended to seek advice on which product to ultimately&nbsp;go with.<\/p>\n\n\n<style>.kb-image747_574c33-35 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image747_574c33-35\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/rapidweldingbl.wpenginepowered.com\/wp-content\/uploads\/2024\/10\/flashback2.jpeg\" alt=\"\" class=\"kb-img wp-image-749\" srcset=\"https:\/\/rapidwelding.com\/blog\/wp-content\/uploads\/2024\/10\/flashback2.jpeg 200w, https:\/\/rapidwelding.com\/blog\/wp-content\/uploads\/2024\/10\/flashback2-150x150.jpeg 150w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_1e27c0-49, .wp-block-kadence-advancedheading.kt-adv-heading747_1e27c0-49[data-kb-block=\"kb-adv-heading747_1e27c0-49\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_1e27c0-49 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_1e27c0-49[data-kb-block=\"kb-adv-heading747_1e27c0-49\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_1e27c0-49 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_1e27c0-49\"><strong>Main Safety Elements of a Flashback Arrestor:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<ul class=\"wp-block-list\">\n<li><strong>Non Return Valve<\/strong>&nbsp;&#8211; Stops the possibility of reverse gas flow, preventing two gases from creating a highly explosive mixture.<\/li>\n\n\n\n<li><strong>Flame Arrestor<\/strong>&nbsp;&#8211; A hollow cylindrical filter made of sintered stainless steel at the centre of this component effectively stops the Flashback by&nbsp;causing the&nbsp;flames flowing through the cylinder to&nbsp;lose energy and cool down.<\/li>\n\n\n\n<li><strong>Thermal Cut-Off Valve<\/strong>&nbsp;&#8211; Before dangerous temperatures are reached, an integrated plastic seal melts and&nbsp;activates a spring-loaded valve which cuts off the gas supply.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_990026-65, .wp-block-kadence-advancedheading.kt-adv-heading747_990026-65[data-kb-block=\"kb-adv-heading747_990026-65\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_990026-65 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_990026-65[data-kb-block=\"kb-adv-heading747_990026-65\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_990026-65 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_990026-65\">Rapid Stock a wide variety of Flashback Arrestors to suit your needs. Give Andy a call or follow the link to visit our website: <a href=\"https:\/\/www.rapidwelding.com\/Flashback-Arrestors#SearchAnchor\">https:\/\/www.rapidwelding.com\/Flashback-Arrestors#SearchAnchor<\/a><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading747_c9372b-af, .wp-block-kadence-advancedheading.kt-adv-heading747_c9372b-af[data-kb-block=\"kb-adv-heading747_c9372b-af\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading747_c9372b-af mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading747_c9372b-af[data-kb-block=\"kb-adv-heading747_c9372b-af\"] mark.kt-highlight{font-style:normal;color:#f76a0c;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading747_c9372b-af wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading747_c9372b-af\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did you know that approximately&nbsp;80% of all incidents are related to human error?&nbsp;With statistics like this, there&#8217;s no question that processes within the welding and cutting industry should be carried out by fully trained personnel. Working with Acetylene, Propane or Hydrogen is a relatively safe process if&nbsp;handled correctly, but it&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1915,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[15,578],"tags":[495,494,773,136],"class_list":["post-747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-blog-2012","tag-flashback-arrestor","tag-gas-safety","tag-pf2012","tag-rapid"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Flashback Arrestors for Welding and Cutting Applications - Rapid Welding Blog<\/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:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flashback Arrestors for Welding and Cutting Applications - Rapid Welding Blog\" \/>\n<meta property=\"og:description\" content=\"Did you know that approximately&nbsp;80% of all incidents are related to human error?&nbsp;With statistics like this, there&#8217;s no question that processes within the welding and cutting industry should be carried out by fully trained personnel. Working with Acetylene, Propane or Hydrogen is a relatively safe process if&nbsp;handled correctly, but it...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/\" \/>\n<meta property=\"og:site_name\" content=\"Rapid Welding Blog\" \/>\n<meta property=\"article:published_time\" content=\"2012-08-15T13:21:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-14T13:17:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rapidwelding.com\/blog\/wp-content\/uploads\/2012\/08\/flashback-arrestor.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"865\" \/>\n\t<meta property=\"og:image:height\" content=\"877\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Rapid Welding\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rapid Welding\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/\"},\"author\":{\"name\":\"Rapid Welding\",\"@id\":\"https:\/\/rapidwelding.com\/blog\/#\/schema\/person\/c6ed7721da91120f736bed90815be71b\"},\"headline\":\"Flashback Arrestors for Welding and Cutting Applications\",\"datePublished\":\"2012-08-15T13:21:00+00:00\",\"dateModified\":\"2025-03-14T13:17:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/\"},\"wordCount\":429,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/rapidwelding.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/rapidwelding.com\/blog\/articles\/flashback-arrestors-for-welding-and-cutting-applications\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/rapidwelding.com\/blog\/wp-content\/uploads\/2012\/08\/flashback-arrestor.jpg\",\"keywords\":[\"Flashback Arrestor\",\"gas safety\",\"PF2012\",\"Rapid\"],\"articleSection\":[\"Blog\",\"Blog - 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