{"id":163,"date":"2014-10-22T11:43:19","date_gmt":"2014-10-22T11:43:19","guid":{"rendered":"http:\/\/blog.bpfonline.co.uk\/?p=163"},"modified":"2026-01-28T12:31:59","modified_gmt":"2026-01-28T12:31:59","slug":"how-to-measure-tube-pipe-fittings-buying-guide","status":"publish","type":"post","link":"https:\/\/www.bpfonline.co.uk\/blog\/how-to-measure-tube-pipe-fittings-buying-guide\/","title":{"rendered":"How to Measure Tube \/ Pipe &#8211; Tube Inserts &#038; Wire Fittings: Buying Guide"},"content":{"rendered":"<h1>A Step-by-Step guide to help you find the right size and type of tube\/wire fitting for any application<\/h1>\n<h2>1. What Size Do I need?<\/h2>\n<p>When buying any <a href=\"http:\/\/bpfonline.co.uk\/search.asp?catid=2962\">tube inserts, end caps &amp; wire fittings<\/a> the first thing you need to do is know how to measure tube \/ piping so you can determine which size of fitting you need. Depending on which type of fitting\u00a0you decide on there are 2 measurements you will need to know; the outside \/ external dimensions, and for internal fitting tube inserts you will also need to measure the wall thickness \/ gauge size.<\/p>\n<p><strong>a. How to measure the outside dimensions<\/strong><\/p>\n<p><a href=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Vernier.png\"><img decoding=\"async\" class=\"wp-image-170  alignleft\" title=\"How to Measure tubing with a Vernier\" alt=\"Vernier\" src=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Vernier.png\" width=\"219\" height=\"169\" srcset=\"https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Vernier.png 342w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Vernier-300x231.png 300w\" sizes=\"(max-width: 219px) 100vw, 219px\" \/><\/a><\/p>\n<p><em>If you don\u2019t have a Vernier you can also use a ruler to measure the dimensions<\/em><\/p>\n<p>Measure the distance represented by the solid line to the outside of the tube\/wire.<\/p>\n<p><a href=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/A.-How-to-Measure-the-outside-diameter2.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-166 alignleft\" title=\"How to measure different shapes of Tube\" alt=\"A. How to Measure the outside diameter\" src=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/A.-How-to-Measure-the-outside-diameter2.png\" width=\"559\" height=\"142\" srcset=\"https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/A.-How-to-Measure-the-outside-diameter2.png 798w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/A.-How-to-Measure-the-outside-diameter2-300x76.png 300w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/A.-How-to-Measure-the-outside-diameter2-624x158.png 624w\" sizes=\"(max-width: 559px) 100vw, 559px\" \/><\/a><\/p>\n<p style=\"text-align: left;\"><strong>b. How to measure the\u00a0<\/strong><strong>wall thickness \/ gauge\u00a0<\/strong><\/p>\n<p><a href=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Wall-Thickness.png\"><img decoding=\"async\" class=\"wp-image-192 alignleft\" title=\"How to measure wall thickness\" alt=\"Wall Thickness\" src=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Wall-Thickness.png\" width=\"300\" height=\"162\" srcset=\"https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Wall-Thickness.png 608w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Wall-Thickness-300x162.png 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>If the wall thickness of an insert isn&#8217;t listed on our website then it\u2019s generally 1-2mm or 14\/20 gauge.<\/p>\n<h2>2. Tube Insert Or External Fitting Ferrule?<\/h2>\n<p>When you know what size is needed the next step is to decide on which fitting you want. At BPF we offer the choice of <a href=\"http:\/\/bpfonline.co.uk\/search.asp?catid=2991\">internal fitting tube inserts<\/a> or <a href=\"http:\/\/bpfonline.co.uk\/search.asp?catid=3137\">external fitting ferrules<\/a>:<\/p>\n<h2 style=\"text-align: left;\"><a href=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Tube-Insert-Or-Ferrule.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-206\" title=\"Tube Inserts or Outside fittings Ferrules\" alt=\"Tube Insert Or Ferrule\" src=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Tube-Insert-Or-Ferrule.png\" width=\"666\" height=\"294\" srcset=\"https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Tube-Insert-Or-Ferrule.png 925w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Tube-Insert-Or-Ferrule-300x132.png 300w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Tube-Insert-Or-Ferrule-624x275.png 624w\" sizes=\"(max-width: 666px) 100vw, 666px\" \/><\/a>3. What type of fitting do I need?<\/h2>\n<p>The final thing to decide is which type of fitting you need. Here at we BPF we have a range of different Inserts and ferrules for various applications:<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Which-type-do-I-need.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-210\" title=\"Types of Tube Insert and Ferrule available\" alt=\"Which type do I need\" src=\"https:\/\/blog.bpfonline.co.uk\/wp-content\/uploads\/2014\/10\/Which-type-do-I-need.png\" width=\"668\" height=\"470\" srcset=\"https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Which-type-do-I-need.png 928w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Which-type-do-I-need-300x211.png 300w, https:\/\/www.bpfonline.co.uk\/blog\/wp-content\/uploads\/2014\/10\/Which-type-do-I-need-624x439.png 624w\" sizes=\"(max-width: 668px) 100vw, 668px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Step-by-Step guide to help you find the right size and type of tube\/wire fitting for any application 1. What Size Do I need? When buying any tube inserts, end caps &amp; wire fittings the first thing you need to do is know how to measure tube \/ piping so you can determine which size [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":871,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[448,4],"tags":[18,449,16,17],"class_list":["post-163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bpf-how-to-guides","category-product-information-and-buying-guides","tag-buying-guide","tag-how-to-guide","tag-tube","tag-tube-inserts"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>How to Measure Tube \/ Pipe - Tube Inserts &amp; Wire Fittings-bpfblog<\/title>\r\n<meta name=\"description\" content=\"A Step-by-Step guide to help you find the right size and type of tube\/wire fitting for any application. When buying any tube inserts, end caps &amp; wire...\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.bpfonline.co.uk\/blog\/how-to-measure-tube-pipe-fittings-buying-guide\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_GB\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"How to Measure Tube \/ Pipe - Tube Inserts &amp; Wire Fittings-bpfblog\" \/>\r\n<meta property=\"og:description\" content=\"A Step-by-Step guide to help you find the right size and type of tube\/wire fitting for any application. 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