Description
These Brass Flare Nuts are precision-machined brass fittings designed specifically for securing flared copper tubing connections across HVAC and refrigeration systems. Engineered to form a mechanical seal against flared tube ends, these fittings ensure reliable performance in high-pressure refrigerant lines. Built from durable brass to prevent thread binding and resist atmospheric corrosion, they deliver dependable connections for residential, commercial, and industrial air-conditioning installations.
Technical Specifications
| Specification | Details |
| Product Name | Brass Flare Nuts |
| Available Sizes | 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″ |
| Material | Forged / Machined Brass |
| Connection Type | SAE Mechanical Flare Fitting |
| Application | High-Pressure Refrigerant & Copper Lines |
| System Compatibility | Split Air Conditioners, Chillers, Refrigeration Units |
| Product Condition | New |
Key Features
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Forged Brass Construction: High-tensile brass body resists cracking under torque and handles harsh environmental conditions.
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Leak-Proof Conical Design: Precision-tapered internal seat compresses flared copper tubing to create a airtight metal-to-metal seal.
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Full SAE Size Range: Available in standard HVAC line sizes ranging from 1/4″ up to 7/8″.
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High-Pressure Resistance: Built to withstand pressure fluctuations standard in modern R410A, R32, and R22 refrigerant systems.
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Standard Hex Nut Profile: Machined hex exterior allows straightforward installation using standard open-end or adjustable wrenches.
Supported Applications
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Residential Split ACs: Connecting indoor and outdoor unit copper line sets.
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Commercial HVAC: Refrigerant piping setups in VRF, multi-split, and package units.
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Refrigeration Systems: Cold room, freezer, and commercial display cabinet line connections.
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Maintenance & Repair: Essential stocking component for HVAC service technicians.
Benefits
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Delivers a dependable, leak-proof mechanical joint without soft soldering.
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High corrosion resistance ensures long service life on outdoor units.
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Easy to inspect, disassemble, and re-torque during maintenance.
Package Includes
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1 x Brass Flare Nut (Select Required Size)
Important Buyer Verification Notes
Notice for Technicians & Contractors: Ensure correct copper tubing flaring tools and torque settings are used during installation. Verify the required pipe outer diameter (1/4″, 3/8″, 1/2″, 5/8″, 3/4″, or 7/8″) prior to selecting your size option.
Why Buy From Al Ramiz
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Genuine Quality Parts: Dependable, factory-tested HVAC fittings and control components.
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UAE Stock & Local Inventory: Fast processing and local dispatch across the UAE.
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Technical Support: Assistance with fitting selection and component verification.
Frequently Asked Questions (FAQs)
What sizes of brass flare nuts are available?
We offer these brass flare nuts in 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, and 7/8″ sizes to fit standard HVAC copper lines.
Are these flare nuts suitable for high-pressure refrigerants like R410A and R32?
Yes, the heavy-duty brass construction is rated to handle high operating pressures typical of modern HVAC refrigerants.
Do these fittings require sealant or tape on the threads?
No, flare fittings rely on the metal-to-metal contact between the flared copper pipe and the flare seat to create a seal, not the threads.

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