{"product_id":"k-flex-st-tube-40mm","title":"K-Flex ST Tube Pipe Insulation 40mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e40mm wall thickness\u003c\/strong\u003e is the heaviest standard elastomeric specification in the K-Flex ST range, designed for the most demanding industrial refrigeration, process pipework, and large-bore chilled water applications where maximum thermal resistance is critical and heat gain must be minimised across long pipe runs.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustrial refrigeration plant and cold store pipework\u003c\/li\u003e\n\u003cli\u003eLarge-bore chilled water mains\u003c\/li\u003e\n\u003cli\u003eProcess pipework with extreme temperature differentials\u003c\/li\u003e\n\u003cli\u003eHigh-specification industrial HVAC installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003cstrong\u003e40mm\u003c\/strong\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273488277881,"sku":"40015005508","price":54.35,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273488310649,"sku":"40022005508","price":57.0,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273488343417,"sku":"40028005508","price":59.14,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57273488376185,"sku":"40035005508","price":61.11,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273488408953,"sku":"40042005508","price":62.8,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273488441721,"sku":"40048005508","price":69.13,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273488474489,"sku":"40054005508","price":75.41,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273488507257,"sku":"40060005508","price":83.21,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273488540025,"sku":"40076005508","price":91.58,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57273488572793,"sku":"40080005508","price":95.77,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273488605561,"sku":"40089005508","price":107.56,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273488638329,"sku":"40102005508","price":114.29,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273488671097,"sku":"40108005508","price":118.49,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273488703865,"sku":"40114005508","price":125.14,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273488736633,"sku":"40140005508","price":186.45,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57273488769401,"sku":"40160005508","price":195.16,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57273488802169,"sku":"40170005508","price":206.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735_26a061d3-6a02-47b9-ad35-2732ec2b6d5c.jpg?v=1778759141","url":"https:\/\/www.airconspares.com\/products\/k-flex-st-tube-40mm","provider":"Airconspares.com","version":"1.0","type":"link"}