SAE Copper Flare Fitting Adapter for AC – 1/4" to 5/8"
SAE Copper Flare Fitting Adapter for AC – 1/4" to 5/8"
LEENKEA SAE Copper Flare Pipe Fitting Adapter — Reliable AC & Refrigeration Connections
Upgrade your air conditioning or refrigeration installation with the LEENKEA SAE Copper Flare Fitting Adapter. 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.
Made in Mainland China.
Key Features
- Premium Copper Construction: Forged copper build for excellent corrosion resistance and long-lasting durability.
- SAE Standard Sizing: Designed with the most commonly used British/SAE filling pipe interface for broad compatibility.
- Wide Temperature Range: Operates reliably from -20°C to 120°C (-4°F to 248°F), suitable for both heating and cooling systems.
- High Pressure Rated: Maximum pressure of 229 PSI (1.6 MPa) for dependable performance under demanding conditions.
- Easy Installation: Threaded UNF nut design allows quick, tool-friendly connection without specialized equipment.
- Versatile Applications: Ideal for AC branch pipes, refrigeration equipment, ship/marine pipes, copper water lines, and more.
Specifications
| SAE Size | Tube OD | Nut Thread | Overall Length | Tube Length |
|---|---|---|---|---|
| 1/4" | 6.35 mm | 7/16"-20 UNF | 86 mm | 64 mm |
| 3/8" | 9.52 mm | 5/8"-18 UNF | 96 mm | 70 mm |
| 1/2" | 12.7 mm | 3/4"-16 UNF | 100 mm | 69 mm |
| 5/8" | 15.88 mm | 7/8"-14 UNF | 103 mm | 70 mm |
| 3/4" | 19.05 mm | 7/8"-14 UNF | 104 mm | 70 mm |
- Material: Copper
- Color: Yellow (natural copper finish)
- Connection Type: Flare / Threaded Nipple
- Max Pressure: 229 PSI / 1.6 MPa
- Operating Temperature: -20°C to 120°C
- Inner Hose Diameter: 6 mm
Package Contents
- 1 × SAE Copper Flare Pipe Fitting Adapter (size of your choice)
Related Products You May Like
- 1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Fine-Toothed for Carpentry and Gardening
- 1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle Design
- 10Pcs Wooden Handle Nylon Bristle Paint Brush – Hand Tool Set
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: What SAE sizes are available for this copper flare pipe fitting adapter?
A: 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.
Q: Is this copper flare fitting compatible with standard air conditioning systems?
A: 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.
Q: What is the maximum pressure this fitting can handle?
A: 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.
Q: How do I install this copper pipe flare fitting adapter?
A: 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.
Production & Packaging Notice
To 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.