{"product_id":"k-flex-st-tube-19mm","title":"K-Flex ST Tube Pipe Insulation 19mm 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\u003e19mm wall thickness\u003c\/strong\u003e is specified for refrigeration systems, low-temperature pipework, and commercial HVAC applications where greater thermal resistance is required to prevent condensation and heat gain. It is the correct choice where pipe surface temperatures drop significantly below ambient — particularly on suction lines, chilled water systems, and VRF pipework.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigeration suction lines and low-temperature pipework\u003c\/li\u003e\n\u003cli\u003eCommercial chilled water systems\u003c\/li\u003e\n\u003cli\u003eVRF and VRV system pipework\u003c\/li\u003e\n\u003cli\u003eAny application where 13mm wall is insufficient for condensation control\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\u003cstrong\u003e19mm\u003c\/strong\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 | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\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\u003e19mm\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":"6mm","offer_id":57272996921721,"sku":"19006005508","price":5.28,"currency_code":"GBP","in_stock":true},{"title":"10mm","offer_id":57272996954489,"sku":"19010005508","price":5.33,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":57272996987257,"sku":"19012005508","price":5.46,"currency_code":"GBP","in_stock":true},{"title":"15mm","offer_id":57272997020025,"sku":"19015005508","price":5.73,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57272997052793,"sku":"19018005508","price":6.62,"currency_code":"GBP","in_stock":true},{"title":"20mm","offer_id":57272997085561,"sku":"19020005508","price":6.86,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57272997118329,"sku":"19022005508","price":6.9,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57272997151097,"sku":"19028005508","price":9.06,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57272997183865,"sku":"19035005508","price":11.08,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57272997216633,"sku":"19042005508","price":13.56,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57272997249401,"sku":"19048005508","price":15.2,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57272997282169,"sku":"19054005508","price":16.59,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57272997314937,"sku":"19060005508","price":18.79,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57272997347705,"sku":"19067005508","price":20.32,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57272997380473,"sku":"19076005508","price":23.18,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57272997413241,"sku":"19080005508","price":25.31,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57272997446009,"sku":"19089005508","price":27.8,"currency_code":"GBP","in_stock":true},{"title":"92mm","offer_id":57272997478777,"sku":"19092005508","price":30.32,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57272997511545,"sku":"19102005508","price":30.68,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57272997544313,"sku":"19108005508","price":32.15,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57272997577081,"sku":"19114005508","price":36.23,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57272997609849,"sku":"19133005508","price":42.73,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57272997642617,"sku":"19140005508","price":46.91,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57272997675385,"sku":"19160005508","price":51.71,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57272997708153,"sku":"19170005508","price":62.05,"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.jpg?v=1777271005","url":"https:\/\/www.airconspares.com\/products\/k-flex-st-tube-19mm","provider":"Airconspares.com","version":"1.0","type":"link"}