{"product_id":"sae-copper-flare-fitting-adapter-ac-refrigeration-1-4-to-5-8","title":"SAE Copper Flare Fitting Adapter for AC – 1\/4\" to 5\/8\"","description":"\u003ch2\u003eLEENKEA SAE Copper Flare Pipe Fitting Adapter — Reliable AC \u0026amp; Refrigeration Connections\u003c\/h2\u003e\n\u003cp\u003eUpgrade your air conditioning or refrigeration installation with the \u003cstrong\u003eLEENKEA SAE Copper Flare Fitting Adapter\u003c\/strong\u003e. Precision-machined from high-quality copper, this threaded connector is engineered for a leak-free, durable connection in a wide variety of HVAC, refrigeration, marine, and plumbing applications. Available in multiple SAE sizes — 1\/4\", 3\/8\", 1\/2\", and 5\/8\" — so you can always find the perfect match for your project.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Copper Construction:\u003c\/strong\u003e Forged copper build for excellent corrosion resistance and long-lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSAE Standard Sizing:\u003c\/strong\u003e Designed with the most commonly used British\/SAE filling pipe interface for broad compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -20°C to 120°C (-4°F to 248°F), suitable for both heating and cooling systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Pressure Rated:\u003c\/strong\u003e Maximum pressure of 229 PSI (1.6 MPa) for dependable performance under demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Threaded UNF nut design allows quick, tool-friendly connection without specialized equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for AC branch pipes, refrigeration equipment, ship\/marine pipes, copper water lines, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eSAE Size\u003c\/th\u003e\n\u003cth\u003eTube OD\u003c\/th\u003e\n\u003cth\u003eNut Thread\u003c\/th\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003cth\u003eTube Length\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\n\u003ctd\u003e6.35 mm\u003c\/td\u003e\n\u003ctd\u003e7\/16\"-20 UNF\u003c\/td\u003e\n\u003ctd\u003e86 mm\u003c\/td\u003e\n\u003ctd\u003e64 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003ctd\u003e9.52 mm\u003c\/td\u003e\n\u003ctd\u003e5\/8\"-18 UNF\u003c\/td\u003e\n\u003ctd\u003e96 mm\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003ctd\u003e12.7 mm\u003c\/td\u003e\n\u003ctd\u003e3\/4\"-16 UNF\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003ctd\u003e69 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5\/8\"\u003c\/td\u003e\n\u003ctd\u003e15.88 mm\u003c\/td\u003e\n\u003ctd\u003e7\/8\"-14 UNF\u003c\/td\u003e\n\u003ctd\u003e103 mm\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003ctd\u003e19.05 mm\u003c\/td\u003e\n\u003ctd\u003e7\/8\"-14 UNF\u003c\/td\u003e\n\u003ctd\u003e104 mm\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Copper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Yellow (natural copper finish)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Flare \/ Threaded Nipple\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Pressure:\u003c\/strong\u003e 229 PSI \/ 1.6 MPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to 120°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Hose Diameter:\u003c\/strong\u003e 6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × SAE Copper Flare Pipe Fitting Adapter (size of your choice)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Fine-Toothed for Carpentry and Gardening\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-professional-heavy-duty-pruning-shears-with-anti-slip-handle-design-suitable-for-trimming-thick-and-sturdy-branches\"\u003e1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle Design\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush – Hand Tool Set\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What SAE sizes are available for this copper flare pipe fitting adapter?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter is available in SAE 1\/4\" (6.35 mm), 3\/8\" (9.52 mm), 1\/2\" (12.7 mm), 5\/8\" (15.88 mm), and 3\/4\" (19.05 mm). Each size features the corresponding UNF nut thread for a secure, standard-compliant connection.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this copper flare fitting compatible with standard air conditioning systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This fitting is designed to the SAE\/British standard interface commonly used in residential and commercial HVAC systems, refrigeration equipment, marine pipework, and copper water lines. Always verify your system's SAE size before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum pressure this fitting can handle?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter is rated for a maximum pressure of 229 PSI (1.6 MPa), making it suitable for standard AC and refrigeration line pressures. It also operates across a wide temperature range of -20°C to 120°C for year-round reliability.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I install this copper pipe flare fitting adapter?\u003c\/h4\u003e\n\u003cp\u003eA: Simply slide the UNF nut over the copper tube, flare the tube end to the appropriate angle, and thread the nut onto the fitting by hand before tightening with a wrench. No specialized tools are required beyond standard flaring and wrenching equipment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What SAE sizes are available for this copper flare pipe fitting adapter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter is available in SAE 1\/4\\\" (6.35 mm), 3\/8\\\" (9.52 mm), 1\/2\\\" (12.7 mm), 5\/8\\\" (15.88 mm), and 3\/4\\\" (19.05 mm). Each size features the corresponding UNF nut thread for a secure, standard-compliant connection.\"}}, {\"@type\": \"Question\", \"name\": \"Is this copper flare fitting compatible with standard air conditioning systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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