Brass Flare Nut HVAC AC Pipe Fitting 1/4" 3/8" 1/2" 5/8" 3/4"
Brass Flare Nut HVAC AC Pipe Fitting 1/4" 3/8" 1/2" 5/8" 3/4"
Keep your air conditioning system running tight and leak-free with this Forged Brass Flare Nut — a precision-engineered pipe fitting designed for HVAC installation, maintenance, and DIY refrigerant line connections. Available in a full range of standard sizes (1/4", 3/8", 1/2", 5/8", 3/4") to suit most residential and commercial AC units.
Made in Mainland China.
Why Choose This Brass Flare Nut?
- High-Strength Forged Brass Construction: Manufactured from high-purity brass using a precision hot-forging process, delivering superior structural strength and pressure resistance compared to standard cast fittings — helping prevent cracking under long-term high-pressure operation and minimizing refrigerant leakage risks.
- Precision-Machined Sealing Threads: CNC-cut internal threads with ultra-high dimensional accuracy fit seamlessly with matching copper pipe flare joints, forming a tight, long-lasting seal after tightening for consistent HVAC system performance.
- Corrosion & Rust Resistant: High-grade brass naturally resists oxidation, moisture erosion, and refrigerant corrosion — suitable for both indoor and outdoor environments. Won't rust or seize over years of use, making future disassembly and maintenance simple.
- Universal Hexagonal Profile: Standard hex outer design is compatible with all conventional wrenches and installation tools — no custom tools needed. Reduces installation time and improves efficiency for technicians and DIYers alike.
- Full Size Range: Supplied in a complete set of standard sizes to fit most mainstream AC models. Custom non-standard production is also supported to meet special connection requirements of different refrigeration equipment.
Specifications
- Category: HVAC & Air Conditioner Pipe Fittings
- Material: Forged Brass
- Available Sizes: 1/4", 3/8", 1/2", 5/8", 3/4"
- Quantity: 1 piece
- Certification: CE
- Origin: Made in Mainland China
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Note: Please allow minor differences due to manual measurement. Colors may vary slightly between monitors and actual product.
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Frequently Asked Questions
Q: What sizes does this brass flare nut come in?
A: This brass flare nut is available in five standard sizes: 1/4", 3/8", 1/2", 5/8", and 3/4", covering the most common AC pipe connection requirements for residential and commercial HVAC systems.
Q: Is this flare nut compatible with standard HVAC wrenches and tools?
A: Yes. The standard hexagonal outer profile is designed to work with all conventional wrenches and installation tools, so no special or custom tools are required for tightening or removal.
Q: Will this brass flare nut resist corrosion in outdoor installations?
A: Absolutely. The high-grade forged brass construction naturally resists oxidation, moisture, and refrigerant corrosion, making it suitable for both indoor and outdoor HVAC environments over many years of use.
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.