--- title: Pipe Marking Infographic | Pipe Labels | ANSI | ASME | DuraLabel description: Pipe Marking Infographic image: https://website-integration-test-graphicproducts-21537593.hs-sites.com/hubfs/Imported_Blog_Media/pipe-marking-19-infographic-1-1-1-1-1-1-1.png --- [Skip to content](http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/pipe-marking-infographic#main-content) - [Home](https://www.duralabel.com/) - > - [Resources](http://website-integration-test-graphicproducts-21537593.hs-sites.com/resources) - > - [Infographics](http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics) - > - Pipe Marking Infographic # Pipe Marking Infographic **Updated on:** July 2, 2025 1 MINUTE READ **Published on:** Feb 03, 2023 Pipe marking standards are provided by both the ASME (American Society of Mechanical Engineers) and the ANSI (American National Standards Institute) Code A13.1. Labels on pipes and valves provide important safety information. They inform employees, contractors, customers, and emergency response teams about the contents of the pipe, the hazard it poses, and the direction of flow through the pipe.   ![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hubfs/Imported_Blog_Media/pipe-marking-19-infographic-1-1-1-1-1-1-1.png)   *The following is a transcript of the Electrical Injuries Infographic:* ## Pipe Marking ### ANSI/ASME A13.1 2007 Standard Color Chart **FLAMMABLE** Black on Yellow e.g.: Hydrogen **COMBUSTIBLE** White on Brown e.g.: Canola Oil **TOXIC/CORROSIVE** Black on Orange e.g.: Nitric Acid **FIRE QUENCHING** White on Red e.g.: Fire Water **OTHER WATER** White on Green e.g.: Boiled Water **COMPRESSED AIR** White on Blue e.g.: Nitrogen **Defined by User** White on Black White on Gray White on Purple Black on White ## Pipe Marker Placement Label placement in relation to point of normal approach **Size Chart** Outside pipe diameter w/ cover: 75" - 1.25" 1.5" - 2" 2.5" - 6" 8" - 10" Over 10" Minimum Length field color 8" 8" 12" 24" 32" Min. letter height .5" .75" 1.25" 2.5" 3.5" - Adjacent to changes in direction - Adjacent to all valves & flanges - Both sides of floor/wall penetrations - Every 25' 50' on straight runs is typical   ![Facility Signage Handbook](https://21057378.fs1.hubspotusercontent-na1.net/hub/21057378/hubfs/Imported%20sitepage%20images/facility-signage-handbook-spread.png?width=1200&length=1200&name=facility-signage-handbook-spread.png) ## Get Your Free Facility Signage Handbook Create effective facility signage to improve safety, communication, and regulatory compliance. [ Download Guide ](https://resources.duralabel.com/guides/facility-signage-handbook) ![Pipe Marking Quick Start Guide](https://21057378.fs1.hubspotusercontent-na1.net/hub/21057378/hubfs/Imported%20sitepage%20images/pipe-marking-instant-action-guide-spread-1.png?width=1200&length=1200&name=pipe-marking-instant-action-guide-spread-1.png) ## Free Pipe Marking Quick Start Guide Ensure proper pipe labeling and improve safety with clear, compliant pipe marking practices. [ Download Guide ](https://resources.duralabel.com/guides/improve-workplace-safety-with-comprehensive-pipe-marking) ![](https://21057378.fs1.hubspotusercontent-na1.net/hub/21057378/hubfs/Imported%20images/DuraNews_Logo_White_Reverse.png?width=500&name=DuraNews_Logo_White_Reverse.png) **Like this article?** Subscribe to DuraNews for our monthly safety newsletter! --- ##### efgh [![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hubfs/Imported_Blog_Media/oil-gas-industry-infographic-1-1-1-1-1-1-3.png) #### Oil & Gas Industry The following is a transcript of the Oil & Gas Industry Infographic: Oil & Gas Industry The oil and ... Read ](http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/oil-gas-industry) [![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hubfs/Imported_Blog_Media/DuraLabel-Heat_Stress_Infographic-8-6-2024-3.png) #### Heat Stress: Symptoms, First Aid, & Prevention Millions of U.S. workers are exposed to heat elements in their workplace each year. Hazardous heat exposure ... Read ](http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/heat-stress-symptoms-first-aid-prevention) [![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hubfs/Imported_Blog_Media/osha_infographic-final-2020-1-1-1-1-1-1-1.jpg) #### OSHA Improving Worker Safety The following is a transcript of the OSHA Improvement of Worker Safety infographic: OSHA Improvement of ... Read ](http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/osha-improvement-of-worker-safety) --- ##### take action [![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hs-fs/hubfs/print.jpeg?width=1200&length=1200&name=print.jpeg)](https://duralabel.com/labeling-and-signage/industrial-label-printers/all-industrial-printers) ## Print Your Own Signs [![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hs-fs/hubfs/label.png?width=1200&length=1200&name=label.png)](https://op.duralabel.com/labelforge-pro) ## Free Label Design Software [![](https://website-integration-test-graphicproducts-21537593.hs-sites.com/hs-fs/hubfs/danger.png?width=1200&length=1200&name=danger.png)](https://duralabel.com/samples/) ## Free Labeling Samples × ```json { "@context" : "https://schema.org", "@type" : "Organization", "address" : { "@type" : "PostalAddress", "addressCountry" : "US", "addressLocality" : "Beaverton", "addressRegion" : "OR", "postalCode" : "97005", "streetAddress" : "9825 SW Sunshine Court" }, "contactPoint" : { "@type" : "ContactPoint", "contactType" : "Customer Service", "telephone" : "+1-800-788-5572" }, "email" : "info@graphicproducts.com", "logo" : "https://cdn11.bigcommerce.com/s-3pbmh1zmv/images/stencil/374x128/output-onlinepngtools_1693428260__15657.original.png", "name" : "DuraLabel", "sameAs" : [ "https://www.facebook.com/duralabelgraphicproducts", "https://x.com/DuraLabelbyGP", "https://instagram.com/duralabel/", "https://www.youtube.com/@DuraLabelbyGP", "https://www.linkedin.com/company/duralabel-by-graphic-products/", "https://www.pinterest.com/duralabelbygp/", "https://www.graphicproducts.com/" ], "url" : "https://resources.duralabel.com/" } ``` ```json { "@context" : "https://schema.org", "@type" : "BreadcrumbList", "itemListElement" : [ { "@type" : "ListItem", "item" : "https://www.resources.duralabel.com/", "name" : "Home", "position" : 1 }, { "@type" : "ListItem", "item" : "https://www.resources.duralabel.com/resources", "name" : "Resources", "position" : 2 }, { "@type" : "ListItem", "item" : "https://www.resources.duralabel.com/Infographics", "name" : "Infographics", "position" : 3 }, { "@type" : "ListItem", "item" : "http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/pipe-marking-infographic", "name" : "Pipe Marking Infographic", "position" : 4 } ] } ``` ```json { "@context" : "https://schema.org", "@type" : "Article", "author" : { "@type" : "Person", "name" : "DuraLabel Staff", "url" : "http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/author/duralabel-staff" }, "dateModified" : "2025-07-02T11:42:13-07:00", "datePublished" : "2023-02-03T05:00:00-07:00", "description" : "Pipe Marking Infographic", "headline" : "Pipe Marking Infographic | Pipe Labels | ANSI | ASME | DuraLabel", "image" : [ "https://21537593.fs1.hubspotusercontent-na1.net/hubfs/21537593/Imported_Blog_Media/pipe-marking-19-infographic-1-1-1-1-1-1-1.png" ], "mainEntityOfPage" : { "@id" : "http://website-integration-test-graphicproducts-21537593.hs-sites.com/infographics/pipe-marking-infographic", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "name" : "Duralabel" }, "wordCount" : 162 } ```