{"title":"Refrigeration Pipe Insulation","description":"\u003ch2\u003eRefrigeration Pipe Insulation\u003c\/h2\u003e\n\u003cp\u003eRefrigeration and air conditioning pipework operates at low temperatures, making it highly susceptible to condensation, heat gain and energy loss. \u003cspan style=\"font-size: 0.875rem;\"\u003eStandard foam pipe insulation is not suitable for refrigeration applications — only closed-cell elastomeric insulation, such as \u003c\/span\u003e\u003ca target=\"_blank\" style=\"font-size: 0.875rem;\" rel=\"noopener\"\u003eArmaflex,\u003c\/a\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e provides the combination of low thermal conductivity and vapour resistance needed to protect refrigerant pipework reliably.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Refrigeration Pipework Needs Specialist Insulation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensation control\u003c\/strong\u003e — closed-cell structure prevents moisture from reaching the cold pipe surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow thermal conductivity\u003c\/strong\u003e — minimises heat gain on suction lines and chilled water pipes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVapour resistance\u003c\/strong\u003e — prevents water vapour diffusion through the insulation wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility\u003c\/strong\u003e — wraps around bends, valves and fittings on complex refrigeration circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range\u003c\/strong\u003e — Armaflex is rated from -200°C to +105°C, covering all standard refrigeration applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAir conditioning refrigerant pipework (split systems, VRF, chillers)\u003c\/li\u003e\n\u003cli\u003eChilled water flow and return pipework\u003c\/li\u003e\n\u003cli\u003eCold room and food storage refrigeration circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial refrigeration systems\u003c\/li\u003e\n\u003cli\u003eAmmonia refrigeration (use \u003ca href=\"\/collections\/nh-armaflex-smart-pipe-insulation\"\u003eNH Armaflex Smart\u003c\/a\u003e for ammonia systems)\u003c\/li\u003e\n\u003cli\u003eFan coil unit connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Right Insulation Thickness\u003c\/h3\u003e\n\u003cp\u003eFor refrigeration pipework, wall thickness must be sufficient to prevent condensation under the worst-case ambient conditions. In standard UK commercial environments, 19mm wall is typically the minimum for chilled water pipework. For lower temperature refrigerant lines or high-humidity environments, 25mm or 32mm wall is recommended. Read our \u003ca href=\"\/blogs\/knowledge-hub\/armaflex-pipe-insulation-thickness-guide\"\u003eArmaflex thickness guide\u003c\/a\u003e and our \u003ca href=\"\/blogs\/knowledge-hub\/condensation-on-pipes-causes-prevention-insulation\"\u003econdensation prevention guide\u003c\/a\u003e for full details.\u003c\/p\u003e\n\u003ch3\u003eBrowse by Pipe Size\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/15mm-pipe-insulation\"\u003e15mm Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/22mm-pipe-insulation\"\u003e22mm Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/28mm-pipe-insulation\"\u003e28mm Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/35mm-pipe-insulation\"\u003e35mm Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/42mm-pipe-insulation\"\u003e42mm Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/54mm-pipe-insulation\"\u003e54mm Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Collections\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/armaflex-pipe-insulation\"\u003eArmaflex Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/nh-armaflex-smart-pipe-insulation\"\u003eNH Armaflex Smart (Ammonia Systems)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/condensation-control-pipe-insulation\"\u003eCondensation Control Pipe Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/armaflex-sheet-insulation\"\u003eArmaflex Sheet Insulation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use standard foam pipe insulation on refrigeration pipework?\u003c\/strong\u003e\u003cbr\u003eNo. Standard polyethylene foam is open-cell and allows water vapour to pass through, leading to condensation on the pipe surface. Closed-cell elastomeric insulation such as Armaflex is required for refrigeration and chilled water applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat insulation is used on air conditioning pipes?\u003c\/strong\u003e\u003cbr\u003eArmaflex elastomeric rubber insulation is the industry standard for air conditioning refrigerant pipework in the UK. It is specified by most AC manufacturers and contractors for both split systems and VRF installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat thickness do I need for refrigeration pipe insulation?\u003c\/strong\u003e\u003cbr\u003eThis depends on pipe temperature and ambient conditions. As a minimum, 19mm wall for chilled water and 25mm for lower-temperature refrigerant lines. See our \u003ca href=\"\/blogs\/knowledge-hub\/armaflex-pipe-insulation-thickness-guide\"\u003ethickness guide\u003c\/a\u003e for full guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Armaflex suitable for ammonia refrigeration systems?\u003c\/strong\u003e\u003cbr\u003eStandard Armaflex is not compatible with ammonia. For ammonia refrigeration systems, use \u003ca href=\"\/collections\/nh-armaflex-smart-pipe-insulation\"\u003eNH Armaflex Smart\u003c\/a\u003e, which is specifically formulated to resist ammonia degradation.\u003c\/p\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/collections\/ChatGPT_Image_Jun_7_2026_11_17_07_AM.png?v=1780827450","url":"https:\/\/www.pipelagging.com\/collections\/refrigeration-pipe-insulation.oembed","provider":"Pipelagging.com","version":"1.0","type":"link"}